BGC > Product Search > Finasteride EP Impurity B | 103335-41-7

Molecular Formula : C20H29NO3

Molecular Formula: C20H29NO3
Molecular Weight: 331.46

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.

• Molecular Weight :331.46
• Melting Point :280-282 °C
• Purity :> 95%

Molecular Formula :
C20H29NO3
Canonical SMILES :
CC12CCC3C(C1CCC2C(=O)OC)CCC4C3(C=CC(=O)N4)C
InChI :
InChI=1S/C20H29NO3/c1-19-10-8-14-12(13(19)5-6-15(19)18(23)24-3)4-7-16-20(14,2)11-9-17(22)21-16/h9,11-16H,4-8,10H2,1-3H3,(H,21,22)/t12-,13-,14-,15+,16+,19-,20+/m0/s1
InChIKey :
WMSQGMYJYBSBKA-ALHYADCGSA-N
Appearance :
Off-White Solid
Synonyms :
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

More details are to be found here

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.

• Molecular Weight :331.46
• Melting Point :280-282 °C
• Purity :> 95%

Molecular Formula :
C20H29NO3
Canonical SMILES :
CC12CCC3C(C1CCC2C(=O)OC)CCC4C3(C=CC(=O)N4)C
InChI :
InChI=1S/C20H29NO3/c1-19-10-8-14-12(13(19)5-6-15(19)18(23)24-3)4-7-16-20(14,2)11-9-17(22)21-16/h9,11-16H,4-8,10H2,1-3H3,(H,21,22)/t12-,13-,14-,15+,16+,19-,20+/m0/s1
InChIKey :
WMSQGMYJYBSBKA-ALHYADCGSA-N
Appearance :
Off-White Solid
Synonyms :
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

More details are to be found here