103335-41-7
103335-41-7 structure
- Name: Methyl 3-oxo-4-aza-5alpha-androst-1-ene-17beta-carboxylate
- Chemical Name: 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
- CAS Number: 103335-41-7
- Molecular Formula: C20H29NO3
- Molecular Weight: 331.449
- Create Date: 2019-01-01 20:06:43
- Modify Date: 2026-09-01 11:35:12
| Name | 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 |
|---|---|
| Synonyms |
Finasteride Impurity 2（Finasteride Impurity B）
Finasteride Impurity B(Dutasteride Impurity 11) Dutasteride Related Impurity 4 Dutasteride Impurity 3 3-Oxo-4-aza-5α-αndrost-1-ene-17β-cboxylic Acid Methyl Ester methyl-3- oxo-4-aza-5-alfa-androst-1ene-17-beta-cboxylate Dutasteride Ester Impurity (Finasteride Impurity B) (4,4bS,6aS,7S,9aS,9bS,11-Methyl 4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7, 8,9,9a,9b,10,11,11a-t Methyl-3-oxo-4-aza-5alpha-androst-1-ene-17beta-cboxylate（M4） (4,4bS,6aS,7S,9aS,9bS,11) Methyl 4-aza-5alpha-Androsta-1-en-3-one-17beta-Carboxylate methyl 3-oxo-4-aza-5α-androst-1-ene-17β-cboxylate Finasteride Impurity B methyl (4,4bS,6aS,7S,9aS,9bS,11-4a,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-cboxylate Dutasteride Methyl Ester Impurity Methyl 3-Oxo-4-aza-5alpha-androst-1-ene-17beta-cboxylate (Delta-1-Aza Ester) (4aR,4bS,6aS,7S,9aS,9bS,11aR)-methyl 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 Finasteride Impurity B (Dutasteride Ester Impurity) (4,4bS,6aS,7S,9aS,9bS,11-Methyl 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-cboxylate 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 1H-Indeno[5,4-f]quinoline-7-cboxylic acid, 2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-4a,6a-dimethyl-2-oxo-, methyl ester, (4,4bS,6aS,7S,9aS,9bS,11) Methyl 3-Oxo-4-aza-5alpha-androst-1 Finasteride Impurity B / Finasteride Related Compound D / Dutasteride Methyl Ester Impurity / Dutasteride MethylEsterAnalog 3-Oxo-4-aza-5Alpha-Alphandrost-1-ene-17Beta-carboxylic Acid Methyl Ester Methyl 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-cboxylate 3-Oxo-4-aza-5α-αndrost-1-ene-173-cboxylic acid methyl ester Dutasteride Methyl Ester Analog (Finasteride Methyl Ester Analog) (4,4bS,6aS,7S,9aS,9bS,11-Methyl 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-cboxylate (Dutasteride Impurity) Finasteride Methyl Ester Analog (4,4bS,6aS,7S,9aS,9bS,11-Methyl 4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a 3-Oxo-4-azα-5α-androst-1-ene-17β-cboxylic Acid Methyl Ester METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CBOXAMIDE(M4) Methyl 3-oxo-4-aza-5a-androst-1-ene-17beta-carboxylate Methyl 4-aza-5a-Androsta-1-en-3-one-17b-Carboxylate Finasteride Impurity B/ Finasteride Related Compund D (Dutasteride Methyl Ester Analog/Finasteride Methyl Ester Analog) (4,4bS,6aS,7S,9aS,9bS,11-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-Tetradecahydro-4a,6a-diMethyl-2-oxo methyl (1S,3aS,3bS,5,9,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,9b,10,11-dodecahydroindeno[5,4-f]quinoline-1-cboxylate METHYL 3-OXO-4-AZA-5-ALPHA-ANDROST-1-ENE-17-BETA-CBOXYLATE |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 478.6±45.0 °C at 760 mmHg |
| Melting Point | 280-282ºC (dec.) |
| Molecular Formula | C20H29NO3 |
| Molecular Weight | 331.449 |
| Flash Point | 243.3±28.7 °C |
| Exact Mass | 331.214752 |
| PSA | 55.40000 |
| LogP | 3.24 |
| Vapour Pressure | 0.0±1.2 mmHg at 25°C |
| Index of Refraction | 1.525 |
|
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103335-41-7 |
| Literature: Journal of the American Chemical Society, , vol. 110, # 10 p. 3318 - 3319 |
| Precursor 1 | |
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| DownStream 2 | |
