Betamethasone CAS NO 378-44-9
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Basic information Betamethasone CAS NO 378-44-9
Product Name: Betamethasone
Molecular Formula : C22H29FO5
Molecular Weight: 392.46
CAS No.: 378-44-9
Appearance: White crystalline powder
Specifications:
EP8/BP2013
Usages :
Betamethasone is a corticosteroid product. it is used for a number of diseases including:
1)Rheumatic disorders such as systemic lupus erythematosus.
2)Skin diseases such as dermatitis and psoriasis,
3)Allergic conditions such as asthma and angioedema
4)Leukemia
Items | Specifications | Results |
Appearance | White or almost white, crystalline powder | White crystalline powder |
Identification(by IR ) | Conforms to the CRS spectrum | Conforms |
Specific optical rotation | +118°~+126°(dried substance ) | +123.2° |
Related substances(by HPLC) | Impurity C (RRT about 1.64)=0.5% Impurity D (RRT about 2.0)=0.10% Impurity E (RRT about 1.48)=0.5% Impurity J (RRT about 1.68)=0.5% Unknown Impurity (RRT about 0.49)=0.15% Unknown Impurity (RRT about 0.92)=0.15% Unspecified impurities =0.10% Total impurities =1.3% | 0.12% Undetected 0.19% 0.32% 0.12% 0.11% 0.08% 0.99% |
Loss on drying | =0.5% | 0.2% |
Assay (by UV) | Contains 97.0% to 103.0% of C22H29FO5 Calculated on dried basis | 99.4% |
Conclusion | The results can conforms with the EP8/BP2013 |
Contacts:
Ms. Lvky Lv
Email: lv@china-sinoway.com
Tel: 0086-0592-5887165
Mob/WhatsApp/Wechat: 0086-18350268056
Skype: lvyundan33
Specializing in the research, development and custom manufacturing of betamethasone cas no 378-44-9, SINOWAY, though situated in China, enjoys good reputation among international customers. We supply you with pure natural and well extracted products which can give the best care.
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