Name | Enoxaparin Sodium |
Synonyms | Enoxil Clexane Klexane Lovenox Unii-8nz41mik1o Enoxaparin Sodium Enoxaparin SodiuM EP Lovenox (preservative free) Enoxaparin Sodium, Ep Standard ENOXAPARIN SODIUM, EP STANDARD tetrasodium (2R,4S)-2-({(2R,4R,5R,6R)-5-(acetylamino)-6-{[(3S,4R,5R,6R)-6-{[(2R,4R,5R,6R)-5-(acetylamino)-6-{[(3S,4R,5R,6R)-6-({(2R,4R,5R,6R)-5-(acetylamino)-6-{[(3S,4R,5R,6R)-6-{[(2R,4R,5R,6S)-5-(acetylamino)-4-hydroxy-2-(hydroxymethyl)-6-methoxytetrahyd |
CAS | 679809-58-6 |
InChI | InChI=1/C57H86N4O53S3.4Na/c1-11(64)58-21-25(69)36(17(7-62)100-50(21)96-5)104-54-32(76)29(73)41(44(111-54)48(83)84)109-52-23(60-13(3)66)27(71)38(19(102-52)9-97-115(87,88)89)106-56-34(78)31(75)40(43(113-56)47(81)82)108-51-22(59-12(2)65)26(70)37(18(8-63)101-51)105-55-33(77)30(74)42(45(112-55)49(85)86)110-53-24(61-14(4)67)28(72)39(20(103-53)10-98-116(90,91)92)107-57-35(114-117(93,94)95)15(68)6-16(99-57)46(79)80;;;;/h6,15,17-45,50-57,62-63,68-78H,7-10H2,1-5H3,(H,58,64)(H,59,65)(H,60,66)(H,61,67)(H,79,80)(H,81,82)(H,83,84)(H,85,86)(H,87,88,89)(H,90,91,92)(H,93,94,95);;;;/q;4*+1/p-4/t15-,17+,18+,19+,20+,21+,22+,23+,24+,25+,26+,27+,28+,29+,30+,31+,32+,33+,34+,35?,36?,37?,38?,39?,40-,41-,42-,43?,44?,45?,50-,51+,52+,53+,54+,55+,56+,57-;;;;/m0..../s1 |
Molecular Formula | C57H82N4Na4O53S3 |
Molar Mass | 1859.41 |
Melting Point | >191°C (dec.) |
Solubility | Water (Slightly) |
Appearance | Solid |
Color | White to Off-White |
Storage Condition | Room Temperature, Under inert atmosphere |
HS Code | 3001900190 |
The sodium salt of amino dextran sulfate extracted from porcine intestinal mucosa of this strain is a mixture of sugar chains with different molecular weights, and is composed of a-D-glucosamine (N-sulfated, O-sulfated or N-acetylated) and O-sulfated uronic acid (a-L-iduronic acid or/H3 glucuronic acid) are alternately linked to form a polymer, which has the effect of prolonging the blood clotting time. According to the dry product, the titer of anti-Ha factor per lmg of this product shall not be less than 180IU, and the titer of anti-Xa factor and anti-IIa factor should be 0.9~1.1.
This product should be extracted from the Quarantine qualified pig intestinal mucosa, and the animal origin of heparin should be identified. The production process should comply with the requirements of the current version of "good manufacturing practice. The production process shall be validated by Virus inactivation and effective removal of harmful contaminants.
anticoagulant.
take this product, precision weighing, adding water to dissolve and quantitative dilution to make a solution containing about 40mg per lml, according to the law (General 0621), the specific rotation should be not less than 50 degrees.
The seal was stored in a cool dark place.
take an appropriate amount of this product, add the mobile phase to dissolve and dilute to make a solution containing about 5mg per 1 ml, as a test solution; Take an appropriate amount of heparin molecular weight control, add mobile phase to dissolve and dilute to make a solution containing about 5mg per lml as a reference solution; Take appropriate amount of heparin molecular weight system applicable reference, add mobile phase to dissolve and dilute to make a solution containing about 5mg per lml, as a system suitability solution. According to the determination of size exclusion chromatography (General rule 0514), hydrophilic modified bonded silica gel was used as filler (TSK pre-column, 6mmx40mm, TSK 4000SW,7.8mm x300mm, TSK 3000SW,7.8 mmX300mm, tandem use); With 0. The mobile phase was 1 mol /L ammonium acetate solution; The flow rate was 0.6ml per minute; The column temperature was 30°C; And the refractive index detector was used. Take 25ul of the applicable solution of the system, inject the liquid chromatograph, adjust the chromatographic system, so that the main peak and the solvent peak can be completely eluted, and the weight average molecular weight should be within 500 of the indicated value. The reference solution 25 u1 was injected into the liquid chromatograph and the chromatogram was recorded. Accurately calculate the total area of heparin peaks (excluding salt peaks) and the cumulative peak area percentage of each point in the chromatogram of the control solution, determine the retention time and the corresponding molecular weight at the point closest to the cumulative peak area percentage in the broad distribution standard table attached to the heparin molecular weight control, with the retention time as the abscissa and the logarithmic value of the molecular weight as the ordinate, using GPC software, fitting cubic equation, establish the calibration curve, the correlation coefficient should not be less than 0.990.
Take sample solution 25 u1, inject human liquid chromatograph, record chromatogram, calculate the weight average molecular weight of the product according to the following formula, should be 15000~19000, the molecular weight greater than 24000 of the fraction should not be greater than 20%, the ratio of the fraction having a molecular weight of 8000 to 16000 to the fraction having a molecular weight of 16000 to 24 000 should be not less than 1.0.
take this product, according to the nitrogen determination method (General 0704 second method), according to the dry product calculation, the total nitrogen (N) content of this product should be 1.3% ~ 2.5%.
take this product 0.10g, add water lOml dissolution, according to the law (General 0631),pH value should be 5.0~8.0.
take 0.50g of this product, Add 10ml of water to dissolve, the solution should be clear and colorless; If it is turbid, according to UV-visible spectrophotometry (General 0401), determination of absorbance at the wavelength of 640nm, not over 0.018; If color, with the yellow No. 1 Standard Colorimetric liquid (General rule 0901 first method) comparison, not deeper.
take this product, precision weighing, adding water to dissolve and quantitative dilution of 4mg per lml solution, according to UV-visible spectrophotometry (General 0401), the absorbance was measured at a wavelength of 260nm and should not exceed 0.10.
take an appropriate amount of this product, accurately weigh it, add water to dissolve and quantitatively dilute it to make a solution containing about 30mg per lml as a test solution; Take an appropriate amount of bovine serum albumin reference substance, precision weighing, respectively, with water dissolved and quantitatively diluted into each lml containing 0.10ug, 20ug, 30ug, 40ug and 50ug of the solution, as a reference solution, determined according to the protein content determination method (General 0731 second method). According to the dry product calculation, this product containing protein should not exceed 0.5%.
take an appropriate amount of this product, accurately weigh it, add water to dissolve and quantitatively dilute it to make a solution containing about lOOmg per lml, vortex and mix until it is completely dissolved, and accurately measure 0.5, add 0.25ml of 1 mol/L hydrochloric acid solution and 25% ml of 0.05 sodium nitrite solution, mix with shaking, react for 40 minutes, and add 0.2ml of 1 mol/L sodium hydroxide solution to terminate the reaction, as a test solution; another 250mg heparin reference substance was added with 2ml of water, then vortexed and mixed until it was completely dissolved, which was used as reference solution (1); 1.2ml of reference solution (1) was added for precision measurement, add 0.15 of dermatan sulfate control and 0.1 of chondroitin sulfate control as control solution (2); Take of the control solution (2) and dilute it to 1ml with water, as a reference solution (3); Take 0.4ml of the reference solution (1), add 0.1ml of water, mix well, add 0.25ml of 1 mol/L hydrochloric acid solution and 25% ml of 0.05 sodium nitrite solution, shake and mix well, reaction for 40 minutes, add 1 mol/L sodium hydroxide solution 0.2ml to terminate the reaction, as a reference solution (4); Precision Take 0.5ml of reference solution (2), add 0.25ml of 1 mol/L hydrochloric acid solution and 25% ml of 0.05 sodium nitrite solution, shake and mix well, react for 40 minutes, the reaction was terminated by adding 0.2ml of 1 mol/L sodium hydroxide solution as a control solution (5). Ethyl vinyl benzene-divinylbenzene polymer resin with alkanol quaternary ammonium as functional group as filler (AS11-HC anion exchange column, 2mm x AG11-HC, with guard column, 2mm x 50mm, or other suitable chromatographic column with 0.04% sodium dihydrogen phosphate solution (with phosphoric acid to adjust the pH value to 3.0,0.45um filter filter, degassed before use) as mobile phase A, sodium perchlorate-phosphate solution (take 0.04% g of sodium perchlorate, dissolve and dilute to 3.0 with sodium dihydrogen phosphate solution, adjust pH to with phosphoric acid, filter through 0.45um filter, and Degas immediately before use) mobile Phase B; Flow rate of 0.22 mL per minute; Detection wavelength of 202mn. The linear gradient elution was performed as follows. Take the reference solution (4) and (5) of 20 u1 respectively, inject the human liquid chromatograph respectively, record the chromatogram, the reference solution (4) chromatogram should not appear heparin peak, the resolution of the chromatographic peaks of dermatan sulfate and chondroitin Polysulfate in the chromatogram of the reference solution (5) shall not be less than 3.0. 20ul of the sample solution was accurately measured and injected into the liquid chromatograph, and the chromatogram was recorded. The Peak area of dermatan sulfate in the chromatogram of the test solution shall not be greater than the peak area (2.0%) of dermatan sulfate in the reference solution (5); No other chromatographic peaks shall appear except the dermatan sulfate peak.
take about 2.0g of this product, weigh it accurately, put it in a 10ml measuring flask, and add an internal standard solution (weigh an appropriate amount of N-propanol and dilute it with water to make a solution containing about 80ug per 1 ml) dissolve and dilute to the scale, shake well, take 3ml accurately, put it in a headspace bottle with 500mg of sodium chloride in advance, seal it as a test solution; Take appropriate amount of methanol, ethanol and acetone, precision weighing, quantitative dilution with internal standard solution is made into a mixed solution containing methanol 400ug, ethanol 400ug and acetone 80ug per lml, and the precision volume is 3ml, A headspace bottle with 500mg of sodium chloride in advance was placed, sealed, and used as a control solution. According to the test for determination of residual solvents (General rule 0861, second method), a capillary column with 6% cyanopropylphenyl-94% dimethylpolysiloxane (or similar polarity) as stationary liquid is used as the column; The initial temperature is 40°C, maintain 4 minutes, at a rate of 3°C per minute to 58°C, and then at a rate of 20°C per minute to 160°C; Injection temperature is 160°C; Detector temperature is 250°C; the Headspace bottle equilibration temperature was 90°C and the equilibration time was 20 minutes. The reference solution was sampled by Headspace injection, and the chromatogram was recorded. The order of peaks was methanol, ethanol, acetone and N-propanol. Then the sample solution and the reference solution were injected with headspace, and the chromatogram was recorded. According to the internal standard method to calculate the peak area, methanol, ethanol and acetone residues should be in accordance with the provisions.
take this product, put it in a phosphorus pentoxide dryer, and dry it under reduced pressure at 60°C to a constant weight, and the weight loss shall not exceed 5.0% (General rule 0831).
take 0.50g of this product, check according to law (General 0841), residue should be 28.0% ~ 41.0%.
This product is about 50mg, precision weighing, set 100ml measuring flask, add 0.lml/L hydrochloric acid solution (containing 1.27mg of cesium chloride in each lml) dissolved and diluted to the scale, shake, as a test solution. Accurately measure the sodium single element standard solution (containing Na 200ug per lml), and quantitatively dilute with the above hydrochloric acid solution to prepare solutions containing sodium 25ug, 50ug and 75ug per lml, as a control solution of a series of concentrations. The absorbance of each of the above reference solution and the test solution was measured at a wavelength of 0406 · Onm by atomic absorption spectrophotometry (General rule 330, Method 1). According to the dry product calculation, sodium in this product (Na) should be 10.5% ~ 13.5%.
The residue left under the ignition residue item shall not contain more than 30 parts per million of heavy metal when examined by law (General rule 0821, Law II).
take this product, check according to law (General Principles 1143), each unit of heparin containing endotoxin should be less than 0.010EU.
anticoagulant.
sealed and stored in a dry place.
This product should contain heparin sodium label amount of 90% ~ 110%.
This product is white cream.
take about 2g of this product, weigh it accurately, add 30ml of anhydrous ethanol, heat it on a water bath to dissolve it, let it cool, move it to a 100ml measuring flask, dilute it to the scale with 0.9% sodium chloride solution, shake well, place in 4°C refrigerator overnight, remove, filter, take the filtrate (50ml) accurately, then evaporate on a water bath until no ethanol odor, and transfer to a 50ml measuring flask, dilute with 0.9% sodium chloride solution to the scale, shake, according to the method under the heparin sodium, that is obtained.
anticoagulant.
(l)20g:5000 units (2)20g:7000 units (3)25g:8750 units
sealed storage.
This product is a sterilized aqueous solution of heparin sodium. The potency should be between 90% and 110% of the labeled amount.
This product is colorless to light yellow clear liquid.
take this product, according to the method of heparin sodium determination, that is.
Same as heparin sodium.
(l)2ml:1000 units (2)2ml:5000 units (3)2ml:12500 units
sealed storage.
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |