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

103335-41-7

Properties

CAS   103335-41-7 
Formula   C20H29NO3 

Structure

8 Registered suppliers

Simagchem Corporation P.R.China
rd Methyl 4-aza-5alpha-androsta-1-en-3-one-17beta-carboxylate  
Leap Chem Co., Ltd P.R.China
rd Methyl 4-aza-5alpha-androsta-1-en-3-one-17beta-carboxylate   CD details
Finetech Industry Limited P.R.China
rd Methyl 4-aza-5alpha-androsta-1-en-3-one-17beta-carboxylate   CD details
BOC Sciences USA
rd Finasteride EP Impurity B   CD details
Xiamen Equation Chemical Co.,Ltd P.R.China
rd Methyl 4-aza-5alpha-androsta-1-en-3-one-17beta-carboxylate  
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
Chemos GmbH & Co. KG Germany
rd Methyl 4-aza-5alpha-androsta-1-en-3-one-17beta-carboxylate  
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
BuGuCh & Partners Germany
rd Methyl 4-aza-5alpha-androsta-1-en-3-one-17beta-carboxylate  
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
Santa Cruz Biotechnology, Inc. USA
rd 3-Oxo-4-aza-5alpha-alphandrost-1-ene-17beta-carboxylic acid methyl ester  
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
Detailed information on the suppliers of Finasteride EP Impurity B

Properties:

... more properties and specification on Finasteride EP Impurity B
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