Vitamin D2

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Last update: 2017-11-12 11:34
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Product details


CAS No.:50-14-6



MF:C28H44O



Appearance:white Powder



Specifications



1.Labeyond Chemicals--A Respectable supplier from China



2. More than 12 years experience in global trading and chemicals



Product Name:Vitamin D2



Molecular Formula: C28H44O



CAS Number: 50-14-6



Certificate of Analysis


























Product Name




Vitamin D2




Batch Number




120601




Potency




40,000,000IU/ g




Analysis Date




20,06,2012




Report Date




25,06, 2012




Analysis Based on




USP 29/BP2000




Product Manufactured by




Sichuan Yuxin Pharmaceutical Co., Ltd .




Product Provided by




Sichuan Yuxin Pharmaceutical Co., Ltd .




Product Quantity




500kg




Manufactured Date




18,06, 2012




Expiry




17, 06,2014

























































  Items



Standard




Analyzed Results




Properties




Should be a white needle-shape crystal or white crystallized powder ; give out no smell , no taste ; be easy to lose activity in air or light .




White crystallized powder without any smell or taste .




Identification




1. Dissolve about 0.5mg of vitamin D2 into 5ml chloroform, add 0.3ml acetic anhydride and 0.1ml sulfuric acid, shake and mix vigorously. The mixture is initially produced bright red color , and then rapidly changes violet and finally blue to green .




Positive reaction




2. The infrared absorption spectroscopy should be in according with spectrum of comparison




The infrared absorption spectrum of the sample is in according with the standard




Examination




Dissolve 10mg of vitamin D2 into 2ml of 90% ethanol, add 2ml solution of digitalis saponin and incubate for 18 hours. No precipitation or cloud should be observed.




Passed




Melting Range




Between 115°C and 119°C




115.1°C




Specific Rotation




Between +103 and +106




+104.6




Reducing Substances




Light absorption of sample<Light absorption of standard sample




Complies




Ergosterol




None




None




Solubility




Freely soluble in alcohol




Complies




Organic Volatile Impurities




Benzenenot more than2 p p m




None




Content




Between 97 % and 103 %




100.05%




Total Microbacterial Count




Not more than 1000CFU/g




20CFU/g




Total Yeast & Mould




Not more than 100CFU/g




5CFU/g




Escherichia Coli Presence




Absent




Absent




Store Condition




below 10°C




Conclusion




The sample is in accordance with USP29/BP2000






HUGESTONE acts as an credible vitamin d2 manufacturers and suppliers in China We have professional factory which dedicates to producing quality vitamin d2. Welcome to buy cheap chemical products at a low price with us.

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