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3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylic Acid Methyl Ester
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3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylic Acid Methyl Ester

CAS: 103335-41-7

Ref. TR-O847260

10mg
276.00 €
25mg
558.00 €
100mg
1,614.00 €
Estimated delivery in United States, on Wednesday 18 Dec 2024

Product Information

Name:
3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylic Acid Methyl Ester
Controlled Product
Synonyms:
  • Methyl 3-Oxo-4-aza-5alpha-androst-1-ene-17beta-carboxylate
  • Finasteride Imp. B (EP)
  • Delta-1-Aza Ester of Finasteride
  • 1H-Indeno[5,4-f]quinoline-7-carboxylic acid
  • 2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-4a,6a-dimethyl-2-oxo-
  • methyl ester
  • (4aR,4bS,6aS,7S,9aS,9bS,11aR)-
  • 4-Azaandrost-1-ene-17-carboxylic acid
  • 3-oxo-
  • methyl ester
  • See more synonyms
  • (5alpha,17beta)-
  • 17beta-(Methoxycarbonyl)-4-aza-5alpha-androst-1-en-3-one
  • 1H-Indeno[5,4-f]quinoline-7-carboxylic acid
  • 1,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-4a,6a-dimethyl-2-oxo-
  • methyl ester
  • [4aR-(4aalpha,4bbeta,6aalpha,7alpha,9abeta,9balpha,11abeta)]-
  • 3-Oxo-4-aza-5alpha-androst-1-en-17beta-carboxylic acid methyl ester
  • Methyl 3-oxo-4-aza-5alpha-androst-1-ene-17beta-carboxylate
  • Finasteride Impurity B
  • 17β-(Methoxycarbonyl)-4-aza-5α-androst-1-en-3-one
  • 1H-Indeno[5,4-f]quinoline-7-carboxylic acid, 1,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-4a,6a-dimethyl-2-oxo-, methyl ester, [4aR-(4aα,4bβ,6aα,7α,9aβ,9bα,11aβ)]-
  • 1H-Indeno[5,4-f]quinoline-7-carboxylic acid, 2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-4a,6a-dimethyl-2-oxo-, methyl ester, (4aR,4bS,6aS,7S,9aS,9bS,11aR)-
  • 3-Oxo-4-aza-5α-androst-1-en-17β-carboxylic acid methyl ester
  • 4-Azaandrost-1-ene-17-carboxylic acid, 3-oxo-, methyl ester, (5α,17β)-
  • Methyl 3-Oxo-4-Aza-5-Alpha-Androst-1-Ene-17-Beta-Carboxylate
  • Methyl 3-oxo-4-aza-5α-androst-1-ene-17β-carboxylate
  • methyl (4aR,4bS,6aS,7S,9aS,9bS,11aR)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylate
Description:

Impurity Finasteride EP Impurity B
Applications 3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic Acid Methyl Ester (Finasteride EP Impurity B) is an impurity of Finasteride (F342000) and Dutasteride (D735000). An intermediate in the synthesis of Finasteride and Dutasteride, 5α-reductase inhibitors used for treatment of benign prostatic hyperplasia acne, seborrhea, female hirsutism, prostatitis, and prostatic carcinoma and other hyperandrogenetic related disorders. Finasteride impurity.
References Bakshi., et al.: J. Med. Chem., 38, 3189 (1995),

Notice:
Our products are intended for lab use only. For any other use, please contact us.
Brand:
TRC
Long term storage:
Notes:

Chemical properties

Molecular weight:
331.45
Formula:
C20H29NO3
Color/Form:
White
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
InChI key:
InChIKey=WMSQGMYJYBSBKA-JIZLFPMWSA-N
SMILES:
COC(=O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4NC(=O)C=C[C@]4(C)C3CC[C@]12C
MDL:
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EINECS:
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HS code:

Hazard Info

UN Number:
EQ:
Class:
H Statements:
P Statements:
Forbidden to fly:
Hazard Info:
Packing Group:
LQ:

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