Finasteride EP Impurity B

DESCRIPTION

An intermediate in the synthesis of Finasteride. Finasteride is a 4-azasteroid analog of testosterone that competitively blocks type II 5α-reductase activity with 100-fold greater affinity than for the type I enzyme.

DETAILS

Iupac: methyl (1S,3aS,3bS,5aR,9aR,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,9b,10,11-dodecahydroindeno[5,4-f]quinoline-1-carboxylate
Smiles: CC12CCC3C(C1CCC2C(=O)OC)CCC4C3(C=CC(=O)N4)C
Aliases: Dutasteride Ester Impurity; 3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic Acid Methyl Ester; Methyl 3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylate
Cas Number: 103335-41-7
Molecular Weight: 331.46
Molecular Formula: C20H29NO3