Betamethasone

Post Date:
Dec 27,2016
Expiry Date:
Dec 27,2017
Detailed Description:
Cas No. :378-44-9 Specs:Assay: not less than 97%
Payment Method: L/C T/T
Betamethasone

English Name:betamethasone

Synonyms:9a-Fluoro-11b,17a,21-trihydroxy-16b-methylpregna-1,4-diene-3,20-dione; 9alpha-Fluoro-16beta-methylprednisolone

Molecular Formula:C22H29FO5

Molecular Weight: 392.47

CAS RN:378-44-9

EINECS RN:206-825-4

Related substances: Not more than one impurity between 0.5 to 1.0%
Principal impurity not more than 1.0%
Total impurities not more than 2.0%

Loss on drying: Not more than 0.5%

Assay: not less than 97%

Melting point 235-237 oC

Appearance： White crystalline power widelychem

Quality standard: USP30/CP2010/EP4.0/widelychemical

Package: 1kg/Aluminum foil bag 25kg/Cardboard drum
CAS Registry Number:
378-44-9
Synonyms:
;Betamethasone base;9a-fluoro-11b,17a,21-trihydroxy-16b-methylpregna-1,4-diene-3,20-dione;9alpha-fluoro-16beta-methylprednisolone;9-fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione;(11beta,16alpha)-9-fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione;
Molecular Formula:
C₂₂H₂₉FO₅
Molecular Weight:
392.4611
Molecular Structure:

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