Summary of the invention
It is strong to the purpose of this invention is to provide a kind of specificity; Simple to operate, save time; Toxic and side effect is little; Highly versatile; The high-performance liquid chromatogram determination method of determination of foreign matter in the high performance liquid chromatography of cyclovimbuxine D content and the cyclovimbuxine D in cyclovimbuxine D bulk drug that applicability is wide and the various preparation thereof.
The present invention has overcome " Chinese pharmacopoeia contained existing shortcoming of non-aqueous titration of version one one 153 pages mensuration cyclovimbuxine D in 2000, has the strong advantage of specificity, when measuring, can accurately measure the real content of cyclovimbuxine D, and can measure related substance.
The present invention has overcome " the existing shortcoming of acid-dye colorimetry of 575 pages of contained Buxine Tablets of Chinese pharmacopoeia version in 2000, has the strong advantage of specificity, when measuring, can accurately measure the real content of cyclovimbuxine D, and can measure related substance, and method of operating of the present invention is easy.
The present invention has also overcome present employing acid-dye colorimetry and has measured the shortcoming that the content of cyclovirobuxine dripping pills, the contained cyclovimbuxine D of buxenine powder pin exists, has the strong advantage of specificity, when measuring, can accurately measure the real content of cyclovimbuxine D, and can measure related substance, and method of operating of the present invention is easy.
Assay method of the present invention has overcome the existing shortcoming that adopts pre-column derivatization high effective liquid chromatography for measuring cyclovimbuxine D, adopt the direct injected method to measure the content of cyclovimbuxine D, method is simple, and does not need to use human body is had derivatization reagent than major injury.
The present invention has also overcome application number: 200310106141.3, publication number: the patent of invention of CN 1540338A adopts the terminal shortcoming that absorbs the content of high effective liquid chromatography for measuring cyclovimbuxine D, it is filling agent that the present invention adopts octadecylsilane chemically bonded silica commonly used or octyl silane group silica gel, highly versatile; And the present invention adopts the direct sample dissolution sample introduction of moving phase, and is simple to operate.
Purpose of the present invention can realize by following measures:
Adopt high performance liquid chromatograph, stationary phase employing octadecylsilane chemically bonded silica or octyl silane group silica gel are filling agent in the chromatographic condition; Moving phase adopts formic acid (ammonium formate) damping fluid-methanol system, acetate (ammonium acetate) damping fluid-methanol system, formic acid (ammonium formate) damping fluid-acetonitrile system or acetate (ammonium acetate) damping fluid-acetonitrile system; Adopt evaporative light-scattering detector (ELSD) to detect drift tube temperature: 20~150 ℃; Gas flow rate: 0.1L/min~6.0L/min.
In the high performance liquid chromatography of determination of foreign matter, it is filling agent that stationary phase adopts octadecylsilane chemically bonded silica or octyl silane group silica gel in the high performance liquid chromatography of cyclovimbuxine D content of the present invention and the cyclovimbuxine D; Moving phase adopts formic acid (ammonium formate) damping fluid-methanol system, acetate (ammonium acetate) damping fluid-methanol system, formic acid (ammonium formate) damping fluid-acetonitrile system.
In the high performance liquid chromatography of determination of foreign matter, it is filling agent that stationary phase adopts octadecylsilane chemically bonded silica in the high performance liquid chromatography of best cyclovimbuxine D content of the present invention and the cyclovimbuxine D; Moving phase adopts formic acid (ammonium formate) damping fluid-methanol system, acetate (ammonium acetate) damping fluid-methanol system.
Moving phase formic acid of the present invention (ammonium formate) damping fluid-methanol system, acetate (ammonium acetate) damping fluid-methanol system adopts following method configuration moving phase: the ammonium formate damping fluid (is got formic acid 0.5~50ml, add about water 800ml, add ammonium formate adjust pH to 2.3~6.0, add water to 1000ml)-(volume ratio is 35~89: 65~11) (get acetate 0.5~50ml for moving phase or ammonium acetate buffer for methyl alcohol or acetonitrile, add about water 800ml, add ammonium acetate adjust pH to 2.3~6.0, add water to 1000ml)-(volume ratio is 35~89: 65~11) be moving phase for methyl alcohol or acetonitrile.
Preferred moving phase formic acid of the present invention (ammonium formate) damping fluid-methanol system adopts following method configuration moving phase: the ammonium formate damping fluid (is got formic acid 2~35ml, add about water 800ml, add ammonium formate adjust pH to 2.7~5.5, add water to 1000ml)-(volume ratio is 50~74: 50~26) (get formic acid 2~35ml for moving phase or ammonium acetate buffer for methyl alcohol or acetonitrile, add about water 800ml, add ammonium acetate adjust pH to 2.7~5.5, add water to 1000ml)-(volume ratio is 50~74: 50~26) be moving phase for methyl alcohol or acetonitrile.
Best moving phase formic acid of the present invention (ammonium formate) damping fluid-methanol system adopts following method configuration moving phase: the ammonium formate damping fluid (is got formic acid 5~20ml, add about water 800ml, add ammonium formate adjust pH to 3.0~5.0, add water to 1000ml)-(volume ratio is 55~69: 45~31) (get acetate 5~20ml for moving phase or ammonium acetate buffer for methyl alcohol or acetonitrile, add about water 800ml, add ammonium acetate adjust pH to 3.0~5.0, add water to 1000ml)-(volume ratio is 55~69: 45~31) be moving phase for methyl alcohol or acetonitrile.
The configuration of the moving phase damping fluid described in the present invention, the reagent of getting, test solution and the proportional increase of water or minimizing and configuration sequence change, and do not influence protection domain of the present invention.
In the high performance liquid chromatography of determination of foreign matter, adopting the split sampling drift tube temperature is 20~100 ℃, gas flow rate: 0.1L/min~4.0L/min in the high performance liquid chromatography of cyclovimbuxine D content of the present invention and the cyclovimbuxine D.
In the high performance liquid chromatography of preferred cyclovimbuxine D content of the present invention and the cyclovimbuxine D in the high performance liquid chromatography of determination of foreign matter, adopting the split sampling drift tube temperature is 30~80 ℃, gas flow rate: 0.3L/min~3.0L/min.
In the high performance liquid chromatography of best cyclovimbuxine D content of the present invention and the cyclovimbuxine D in the high performance liquid chromatography of determination of foreign matter, adopting the split sampling drift tube temperature is 40~70 ℃, gas flow rate: 0.5L/min~2.0L/min.
In the high performance liquid chromatography of cyclovimbuxine D content of the present invention and the cyclovimbuxine D in the high performance liquid chromatography of determination of foreign matter, adopt not that the split sampling drift tube temperature is 70~150 ℃, gas flow rate: 0.1L/min~6.0L/min.
In the high performance liquid chromatography of preferred cyclovimbuxine D content of the present invention and the cyclovimbuxine D in the high performance liquid chromatography of determination of foreign matter, adopt not that the split sampling drift tube temperature is 80~140 ℃, gas flow rate: 1.0L/min~4.5L/min.
In the high performance liquid chromatography of best cyclovimbuxine D content of the present invention and the cyclovimbuxine D in the high performance liquid chromatography of determination of foreign matter, adopt not that the split sampling drift tube temperature is 90~120 ℃, gas flow rate: 1.5L/min~3.5L/min.
In the high performance liquid chromatography of determination of foreign matter, cyclovimbuxine D bulk drug and various preparation thereof directly with the moving phase dissolving, filter, and advance high performance liquid chromatograph in the high performance liquid chromatography of cyclovimbuxine D content of the present invention and the cyclovimbuxine D.
The preparation made from the cyclovimbuxine D bulk drug described in the present invention can be made any form on the pharmacy, comprises injection and oral formulations.Wherein injection comprises parenteral solution, drip solution, powder-injection; Oral formulations comprises granule, tablet, electuary, powder, oral liquid, sugar coated tablet, film coated tablet, enteric coated tablet, capsule, hard capsule, soft capsule, sucks agent, granule, pill, paste, sublimed preparation, spray, pill, disintegrant, oral disintegrating tablet, micropill etc.
Advantage of the present invention:
The present invention adopts high-efficient liquid phase chromatogram technology, and evaporative light-scattering detector (ELSD) detects, and measures the content of cyclovimbuxine D in cyclovimbuxine D bulk drug and the various preparation (as Buxine Tablet, cyclovirobuxine dripping pills, buxenine powder pin etc.) thereof.Specificity is strong; Simple to operate, save time; Toxic and side effect is little; Highly versatile; The high-performance liquid chromatogram determination method of determination of foreign matter in the high performance liquid chromatography of cyclovimbuxine D content and the cyclovimbuxine D in cyclovimbuxine D bulk drug that applicability is wide and the various preparation thereof.
Embodiment
The invention will be further described by the following examples.
Chromatographic column adopting Di Ma company product [Diamonsil (diamond) C18 5 μ m, 250 * 4.6mm]
Embodiment one
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium formate damping fluid (get ammonium formate 15.0g, add formic acid 10ml, add water and make dissolving and be diluted to 1000ml)-methyl alcohol (volume ratio is 62: 38) is moving phase; Flow velocity is 0.8ml/min; Evaporative light-scattering detector: drift tube temperature is 100 ℃, and gas flow rate is 2.7L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Accurate respectively reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, sample size (μ g) according to the peak area of chromatogram and sample, reference substance, calculate with the external standard two-point method, that is, computing formula is as follows:
Reference substance regression equation: Y=k * X+b (k, b are constant)
Sample size: C=100% * [25 * (Y-b)]/(20 * k * W)
Y: the peak area value of sample
W: the sample weighting amount of sample (mg)
C: the content of cyclovimbuxine D (%) in the cyclovimbuxine D bulk drug
The test sample chromatogram is seen figure one, and the result shows that content is 91.12%.
Embodiment two (cyclovimbuxine D reference substance purity test)
Cyclovimbuxine D reference substance (checking institute, lot number 888-200001) available from Chinese pharmaceutical biological product
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium formate damping fluid (get ammonium formate 15.0g, add formic acid 10ml, add water and make dissolving and be diluted to 1000ml)-methyl alcohol (volume ratio is 62: 38) is moving phase; Flow velocity is 0.8ml/min; Evaporative light-scattering detector: drift tube temperature is 100 ℃, and gas flow rate is 2.7L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
Cyclovimbuxine D reference substance 10mg is got in the preparation of need testing solution, accurate claims surely, puts in the 5ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, as cyclovimbuxine D reference substance enriched sample H; The accurate 1ml that draws puts in the 10ml measuring bottle, adds moving phase and is diluted to scale, shakes up, as cyclovimbuxine D reference substance low concentration sample L.
Investigate specificity, precision and the linearity of sample L, the result is all good.
Adopt Self-control method that the related substance of above-mentioned sample is detected:
Get above-mentioned sample H and each 20ul of L, inject high performance liquid chromatograph respectively, be calculated as follows the content of relative substance: the peak area of the impurity %=100% in the sample * (all the impurity peak area sums in the H chromatogram except that main peak) * 10 ÷ L chromatogram main peaks, the impurity content that calculates in the cyclovimbuxine D reference substance is 3.93%.The H chromatogram is seen accompanying drawing two.
Embodiment three (refining cyclovimbuxine D material purity is checked)
Refining cyclovimbuxine D raw material (company limited provides by the technological development of the Kang Li of Henan Province medicine)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium formate damping fluid (get ammonium formate 15.0g, add formic acid 10ml, add water and make dissolving and be diluted to 1000ml)-methyl alcohol (volume ratio is 63: 37) is moving phase; Flow velocity is 0.8ml/min; Evaporative light-scattering detector: drift tube temperature is 100 ℃, and gas flow rate is 2.7L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
Refining cyclovimbuxine D raw material 10mg is got in the preparation of need testing solution, accurately claims surely, puts in the 2ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, as refining cyclovimbuxine D raw material enriched sample H1; The accurate 1ml that draws puts in the 100ml measuring bottle, adds moving phase and is diluted to scale, shakes up, as refining cyclovimbuxine D raw material low concentration sample L1.
Investigate specificity, precision and the linearity of sample L1, the result is all good.
Adopt Self-control method that the related substance of above-mentioned sample is detected:
Get above-mentioned sample H1 and each 20ul of L1, inject high performance liquid chromatograph respectively, be calculated as follows the content of relative substance: the peak area of the impurity %=100% in the sample * (all the impurity peak area sums in the H1 chromatogram except that main peak) ÷ L1 chromatogram main peak, calculating refining cyclovimbuxine D impurities in raw materials content is 0.38%.The H1 chromatogram is seen accompanying drawing three.
Embodiment four
Cyclovirobuxine dripping pills (providing) by Tianjin Tasly Pharmaceutical Co., Ltd
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium formate damping fluid (get ammonium formate 15.0g, add formic acid 10ml, add water and make dissolving and be diluted to 1000ml)-methyl alcohol (volume ratio is 60: 40) is moving phase; Flow velocity is 0.8ml/min; Evaporative light-scattering detector: drift tube temperature is 100 ℃, and gas flow rate is 2.7L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 4mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
20 of cyclovirobuxine dripping pills are got in the preparation of need testing solution, and accurate the title decides, porphyrize, and precision takes by weighing in right amount (being equivalent to cyclovimbuxine D 1.5mg approximately), put in the 10ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shake up, cross 0.45 μ m miillpore filter, promptly.
Accurate respectively reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, the test sample chromatogram is seen figure four, measurement ring virobuxine D peak area is pressed the external standard two-point method with calculated by peak area content, and the result shows that content is 95.1% of labelled amount.
Uniformity of dosage units is got 10 of cyclovirobuxine dripping pills, puts respectively in the 5ml measuring bottle, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, need testing solution.Measure according to the method under the assay item, press the external standard two-point method, get every content, more promptly get uniformity of dosage units with calculated by peak area content.
Embodiment five
Buxine Tablet (commercially available, company limited produces by Chinese Shaanxi Hai Mupu medicine made in Germany)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; (volume ratio is to be moving phase at 62: 38 to ammonium acetate buffer (get ammonium acetate 15.0g, add acetate 10ml, add water and make dissolving and be diluted to 1000ml)-methyl alcohol; Flow velocity is 0.8ml/min; Evaporative light-scattering detector: drift tube temperature is 100 ℃, and gas flow rate is 2.7L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 4mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
20 of Buxine Tablets are got in the preparation of need testing solution, and accurate the title decides, porphyrize, and precision takes by weighing in right amount (being equivalent to cyclovimbuxine D 1.5mg approximately), put in the 10ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shake up, cross 0.45 μ m miillpore filter, promptly.
Accurate respectively reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the test sample chromatogram is seen figure five, and measurement ring virobuxine D peak area is pressed the external standard two-point method with calculated by peak area content.
Uniformity of dosage units is got 10 of Buxine Tablets, puts respectively in the 5ml measuring bottle, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, need testing solution.Measure according to the method under the assay item, press the external standard two-point method, get every content, more promptly get uniformity of dosage units with calculated by peak area content.
Embodiment six
Buxenine powder pin (company limited provides by the technological development of the Kang Li of Henan Province medicine)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium formate damping fluid (get ammonium formate 15.0g, add formic acid 10ml, add water and make dissolving and be diluted to 1000ml)-methyl alcohol (volume ratio is 62: 38) is moving phase; Flow velocity is 0.8ml/min; Evaporative light-scattering detector: drift tube temperature is 100 ℃, and gas flow rate is 2.7L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 4mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
Buxenine powder pin an amount of (being equivalent to cyclovimbuxine D 1.5mg approximately) is got in the preparation of need testing solution, accurately claims surely, puts in the 10ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Accurate respectively reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the test sample chromatogram is seen figure six, and measurement ring virobuxine D peak area is pressed the external standard two-point method with calculated by peak area content.
Following examples seven~embodiment ten all adopts Di Ma company chromatographic column: Kromasil C8 5 μ m, 250 * 4.6mm.
Embodiment seven
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase are filling agent with octyl silane group silica gel; Ammonium formate damping fluid (get ammonium formate 15.0g, add formic acid 10ml, add water and make dissolving and be diluted to 1000ml)-methyl alcohol (volume ratio is 62: 38) is moving phase; Flow velocity is 0.8ml/min; The SEDEX evaporative light-scattering detector: drift tube temperature is 35 ℃, and gas flow rate is 1.0L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Accurate respectively reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, sample size (μ g) according to the peak area of chromatogram and sample, reference substance, calculate with the external standard two-point method, that is, computing formula is as follows:
Reference substance regression equation: Y=k * X+b (k, b are constant)
Sample size: C=100% * [25 * (Y-b)]/(20 * k * W)
Y: the peak area value of sample
W: the sample weighting amount of sample (mg)
C: the content of cyclovimbuxine D (%) in the cyclovimbuxine D bulk drug
Embodiment eight
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase are filling agent with octyl silane group silica gel; Ammonium acetate buffer (get ammonium acetate 18.0g, add acetate 10ml, add water and make dissolving and be diluted to 1000ml)-methyl alcohol (volume ratio is 62: 38) is moving phase; Flow velocity is 0.8ml/min; The SEDEX evaporative light-scattering detector: drift tube temperature is 75 ℃, and gas flow rate is 2.0L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Embodiment nine
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase are filling agent with octyl silane group silica gel; Ammonium acetate buffer (get ammonium acetate 18.0g, add acetate 10ml, add water and make dissolving and be diluted to 1000ml)-acetonitrile (volume ratio is 68: 32) is moving phase; Flow velocity is 0.8ml/min; Evaporative light-scattering detector: drift tube temperature is 90 ℃, and gas flow rate is 2.0L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Embodiment ten
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase are filling agent with octyl silane group silica gel; Ammonium formate damping fluid (get ammonium formate 15.0g, add formic acid 8ml, add water and make dissolving and be diluted to 1000ml)-acetonitrile (volume ratio is 68: 32) is moving phase; Flow velocity is 0.8ml/min; The SEDEX evaporative light-scattering detector: drift tube temperature is 50 ℃, and gas flow rate is 1.5L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Following examples 11~embodiment 14 all adopts Di Ma company product [Diamonsil (diamond) C18 5 μ m, 250 * 4.6mm]
Embodiment 11
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium acetate buffer (get acetate 2ml, add about water 800ml, with ammonium acetate adjust pH to 5.5, add water and make dissolving and be diluted to 1000ml)-methyl alcohol or acetonitrile (volume ratio is 50: 50) are moving phase; Flow velocity is 0.5ml/min; Evaporative light-scattering detector: drift tube temperature is 80 ℃, and gas flow rate is 1.5L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Embodiment 12
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium acetate buffer (get acetate 35ml, add about water 800ml, with ammonium acetate adjust pH to 2.7, add water and make dissolving and be diluted to 1000ml)-methyl alcohol or acetonitrile (volume ratio is 74: 26) are moving phase; Flow velocity is 0.5ml/min; Evaporative light-scattering detector: drift tube temperature is 80 ℃, and gas flow rate is 1.5L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Embodiment 13
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium formate damping fluid (get formic acid 5ml, add about water 800ml, with ammonium formate adjust pH to 5.0, add water and make dissolving and be diluted to 1000ml)-methyl alcohol or acetonitrile (volume ratio is 55: 45) are moving phase; Flow velocity is 1.0ml/min; Evaporative light-scattering detector: drift tube temperature is 120 ℃, and gas flow rate is 3.5L/min; Column temperature is 40 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Embodiment 14
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium formate damping fluid (get formic acid 20ml, add about water 800ml, with ammonium formate adjust pH to 3.0, add water and make dissolving and be diluted to 1000ml)-methyl alcohol or acetonitrile (volume ratio is 69: 31) are moving phase; Flow velocity is 1.0ml/min; Evaporative light-scattering detector: drift tube temperature is 120 ℃, and gas flow rate is 3.5L/min; Column temperature is 40 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Embodiment 15
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium acetate buffer (get acetate 2ml, add about water 800ml, with ammonium acetate adjust pH to 5.5, add water and make dissolving and be diluted to 1000ml)-methyl alcohol or acetonitrile (volume ratio is 50: 50) are moving phase; Flow velocity is 0.5ml/min; Evaporative light-scattering detector: split sampling, drift tube temperature are 30 ℃, and gas flow rate is 0.8L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Embodiment 16
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium acetate buffer (get acetate 35ml, add about water 800ml, with ammonium acetate adjust pH to 2.7, add water and make dissolving and be diluted to 1000ml)-methyl alcohol or acetonitrile (volume ratio is 74: 26) are moving phase; Flow velocity is 0.5ml/min; Evaporative light-scattering detector: split sampling, drift tube temperature are 30 ℃, and gas flow rate is 0.8L/min; Column temperature is 30 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Embodiment 17
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium formate damping fluid (get formic acid 5ml, add about water 800ml, with ammonium formate adjust pH to 5.0, add water and make dissolving and be diluted to 1000ml)-methyl alcohol or acetonitrile (volume ratio is 55: 45) are moving phase; Flow velocity is 1.0ml/min; Evaporative light-scattering detector: split sampling, drift tube temperature are 80 ℃, and gas flow rate is 2.0L/min; Column temperature is 40 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.
Embodiment 18
Cyclovimbuxine D bulk drug commercial (effluent south dragon all pharmaceutical factory produces)
Chromatographic condition and system flexibility stationary phase octadecylsilane chemically bonded silica are filling agent; Ammonium formate damping fluid (get formic acid 20ml, add about water 800ml, with ammonium formate adjust pH to 3.0, add water and make dissolving and be diluted to 1000ml)-methyl alcohol or acetonitrile (volume ratio is 69: 31) are moving phase; Flow velocity is 1.0ml/min; Evaporative light-scattering detector: split sampling, drift tube temperature are 80 ℃, and gas flow rate is 2.0L/min; Column temperature is 40 ℃; In the need testing solution chromatogram, cyclovimbuxine D peak and other alkaloid peak all should reach baseline separation; Theoretical cam curve is pressed the cyclovimbuxine D peak and is calculated, and should be not less than 2000.
It is drying agent that the preparation of reference substance solution is learnt from else's experience with phosphorus pentoxide, and 60 ℃ of constant temperature drying under reduced pressure are to the cyclovimbuxine D reference substance 5mg of constant weight, accurate claim fixed, put in the 25ml volumetric flask, it is an amount of to add moving phase, ultrasonicly makes dissolving, and be diluted to scale, shake up, promptly.
The preparation precision of need testing solution takes by weighing cyclovimbuxine D bulk drug 9mg, puts in the 25ml volumetric flask, and it is an amount of to add moving phase, ultrasonicly makes dissolving, and is diluted to scale, shakes up, and crosses 0.45 μ m miillpore filter, promptly.
Respectively accurate reference substance solution 10 μ l, the 20 μ l of drawing of determination method, need testing solution 20 μ l inject high performance liquid chromatograph, and the sample size (μ g) according to the peak area of chromatogram and sample, reference substance calculates with the external standard two-point method, promptly.