Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Oxo-4-aza-5-alpha-androstane-17-beta-carboxylic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Finasteride Impurity
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

103335-55-3

103335-55-3 structure

Name: 3-Oxo-4-aza-5-α-androstane-17-β-carboxylicacid
Chemical Name: (1S,3aS,3bS,5aR,9aR,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,8,9,9b,10,11-tetradecahydroindeno[5,4-f]quinoline-1-carboxylic acid
CAS Number: 103335-55-3
Molecular Formula: C₁₉H₂₉NO₃
Molecular Weight: 319.439
Create Date: 2018-12-17 20:47:39
Modify Date: 2026-07-06 16:13:22

Name	(1S,3aS,3bS,5aR,9aR,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,8,9,9b,10,11-tetradecahydroindeno[5,4-f]quinoline-1-carboxylic acid
Synonyms	3-OXO-4AZA-5A-ANDROSTANE-17B-CBOXYLIC ACID 1H-Indeno[5,4-f]quinoline-7-cboxylic acid, hexadecahydro-4a,6a-dimethyl-2-oxo-, (4,4bS,6aS,7S,9aS,9bS,11) 3-Oxo-4-aza-5-alpha-androstane-17-beta-cboxylic acid //BP (1S,3aS,3bS,5,9,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,8,9,9b,10,11-tetradecahydroindeno[5,4-f]quinoline-1-cboxylicaci 3-OX-AZA-5-ALPHA-ANDROSATANE-17BETA-CBOXYLIC ACID(M3 ACID) R785 Dutasteride Impurity 3 3-Oxo-4-aza-5-α-androstane-17-β-cboxylic acidQ: What is 3-Oxo-4-aza-5-α-androstane-17-β-cboxylic acid Q: What is the CAS Number of 3-Oxo-4-aza-5-α-androstane-17-β-cboxylic acid Q: What is the storage condition of 3-Oxo-4-aza-5-α-androstane-17-β-cboxylic acid Q: What e the applications of 3-Oxo-4-aza-5-α-androstane-17-β-cboxylic acid 3-Oxo-4-aza-5alpha-androstane-17bet 3-Oxo-4-aza-5α-androstane-17β-cboxylic Acid Finasteride Impurity Ⅰ 3-Oxo-4-aza-5-alpha-androstane-17-beta-cboxylic acid (2R,3R,4BS,6AS,7S,9AS,9BS)-4A,6A-DIMETHYL-2-OXO-HEXADECAHYDRO-INDENO[5,4-F]QUINOLINE-7-CBOXYLIC ACID 4-aza-5α-androsten-3-oxo-17β-cboxylic acid 3-Oxo-4-aza-5a-androsten-17b- cboxylic acid (4aR,4bS,6aS,7S,9aS,9bS,11aR)-4a,6a-Dimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid 5α-ANDROSTAN-4-AZA-3-ONE-17β-CBOXYLIC ACID 3-Oxo-4-aza-5α-androstan-17β-cboxylic Acid 3-OXO-4-AZA-5-ALPHA-ANDROSTANE-17-BETA-CBOCYLIC ACID 3-keto-4-aza-5a-androstane-17b-cboxylic acid F9 acid 3-Oxo-4-aza-5alpha-androstan-17beta-cboxylic Acid (1S,3aS,3bS,5,9,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,8,9,9b,10,11-tetradecahydroindeno[5,4-f]quinoline-1-cboxylic acid 4-aza-5α-androstan-3-one-17β-cboxylic acid (F9 Acid) 3-Oxo-4-aza-5-alpha-androstane-17-beta-cboxylic ac 3-Oxo-4-aza-5-alpha-androstane-17-beta-carboxylic acid (11-4a,6a-dimethyl-2-oxo-hexadecahydro-1H-indeno[5,4-f]quinoline-7-cboxylic acid Dutasteride impurity A(C4X-16451) 4-AZA-5A-ANDROSTAN-3-ONE-17B-CBOXYLIC ACID,MIN 4-Aza-3-oxo-5α-androstane-17β-cboxylic acid finasteride iMpurity Dutasteride Acid Dihydro AC-6218 3-Oxo-4-aza-5Alpha-androstan-17Beta-carboxylic Acid Finasteride Intermediate M3ACID 3-Oxo-4-aza-5-alpha-androstane-17β-cboxylic acid Dutasteride / Finasteride impurity M3-ACID 4-aza-5a-androstan-3-one-17cboxylicacid 4-aza-5α-androstan-3-one-17β-cboxylic acid

Density	1.1±0.1 g/cm3
Boiling Point	518.2±50.0 °C at 760 mmHg
Melting Point	315 °C
Molecular Formula	C₁₉H₂₉NO₃
Molecular Weight	319.439
Flash Point	267.2±30.1 °C
Exact Mass	319.214752
PSA	66.40000
LogP	2.53
Vapour Pressure	0.0±2.9 mmHg at 25°C
Index of Refraction	1.534

HS Code	2937290090

103335-54-2

~81%

103335-55-3

Literature: HANMI PHARM. CO., LTD. Patent: WO2004/16595 A1, 2004 ; Location in patent: Page 6-7 ;

73711-89-4

~96%

103335-55-3

Literature: RICHTER GEDEON NYRT.; SÖRÖS, Béla; TUBA, Zoltán; GÁLIK, György; MAHÓ, Sándor; BALOGH, László; VINCZE, Péter; HORVÁTH, János; KOVÁCS, András; BÉNI, Zoltán; VARGA, Frigyes Patent: WO2013/1322 A1, 2013 ; Location in patent: Page/Page column 30; 40 ;