Betamethasone Impurity 7

Betamethasone Impurity 7 Structure
CAS No.
1249-19-0
Chemical Name:
Betamethasone Impurity 7
Synonyms
Valine Impurity 47;Betamethasone Impurity 7;Betamethasone Impurity 7 (Mixture of Diastereomers);Betamethasone Impurity 34(Mixture of Diastereomers);Pregna-1,4-dien-21-oic acid, 9-fluoro-11β,20-dihydroxy-16β-methyl-3-oxo- (7CI,8CI);(S)-2-((8S,9R,10S,11S,13S,14S,16S,17S)-9-Fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-hydroxyacetic Acid
CBNumber:
CB74800834
Molecular Formula:
C22H29FO5
Molecular Weight:
392.46
MOL File:
1249-19-0.mol
Modify Date:
2024/8/8 22:29:57

Betamethasone Impurity 7 Properties

Melting point 170-180 °C
Boiling point 580.9±50.0 °C(Predicted)
Density 1.32±0.1 g/cm3(Predicted)
pka 3.76±0.11(Predicted)

Betamethasone Impurity 7 Preparation Products And Raw materials

Raw materials

Preparation Products

Betamethasone Impurity 7 Betamethasone Impurity 7 (Mixture of Diastereomers) (S)-2-((8S,9R,10S,11S,13S,14S,16S,17S)-9-Fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-hydroxyacetic Acid Betamethasone Impurity 34(Mixture of Diastereomers) Pregna-1,4-dien-21-oic acid, 9-fluoro-11β,20-dihydroxy-16β-methyl-3-oxo- (7CI,8CI) Valine Impurity 47 1249-19-0