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METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE

METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE structure

CAS No.: 103335-41-7

Chemical Name:: METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE

Synonyms: Finasteride EP Impurity B;Finasteride impurity B (EP);(4aR,4bS,6aS,7S,9aS,9bS,11aR);Dutasteride Related Impurity 4;Finasteride Methyl Ester Analog;Dutasteride Methyl Ester Impurity;Methyl 3-Oxo-4-aza-5alpha-androst-1;Finasteride Impurity 2（Finasteride EP Impurity B）;Finasteride EP Impurity B(Dutasteride Impurity 11);methyl 3-oxo-4-aza-5α-androst-1-ene-17β-carboxylate

CBNumber:: CB01011348

Molecular Formula:: C20H29NO3

Molecular Weight:: 331.45

MDL Number:: MFCD00876749

MOL File:: 103335-41-7.mol

Last updated:2023-05-04 15:13:48

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METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE Properties

Melting point	280-282°C (dec.)
Boiling point	478.6±45.0 °C(Predicted)
Density	1.113±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,2-8°C
solubility	Chloroform (Slightly), DMSO (Slightly, Heated), Methanol (Slightly, Heated)
form	Solid
pka	14.15±0.70(Predicted)
color	White to Off-White
FDA UNII	DDK98J5FUO

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS08
Signal word	Warning
Hazard statements	H412-H361
Precautionary statements	P273-P501-P201-P202-P281-P308+P313-P405-P501

METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE price More Price(11)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	O847260	3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylicAcidMethylEster	103335-41-7	50mg	$580	2021-12-16	Buy
Medical Isotopes, Inc.	66566	3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylicAcidMethylEster	103335-41-7	10mg	$620	2021-12-16	Buy
Matrix Scientific	096428	(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 95+%	103335-41-7	250mg	$742	2021-12-16	Buy
Medical Isotopes, Inc.	66566	3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylicAcidMethylEster	103335-41-7	25mg	$750	2021-12-16	Buy
AK Scientific	0803AA	Methyl4-aza-5a-androsta-1-en-3-one-17b-carboxylate	103335-41-7	250mg	$1051	2021-12-16	Buy

Product number	Packaging	Price	Buy
O847260	50mg	$580	Buy
66566	10mg	$620	Buy
096428	250mg	$742	Buy
66566	25mg	$750	Buy
0803AA	250mg	$1051	Buy

METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE Chemical Properties,Uses,Production

Chemical Properties

Off-White Solid

Uses

Finasteride (F342000) impurity. A novel intermediate in the synthesis of Finasteride, a 5α-reductase inhibitor used for treatment of benign prostatic hyperplasia acne, seborrhea, female hirsutism, prostatitis, and prostatic carcinoma and other hyperandrogenetic related disorders.

Uses

Finasteride (F342000) and Dutasteride (D735000) impurity. An intermediate in the synthesis of Finasteride and Dutasteride, 5α-reductase inhibitors used for treatment of benign prostatic hyperplasia ac ne, seborrhea, female hirsutism, prostatitis, and prostatic carcinoma and other hyperandrogenetic related disorders.

Uses

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.

METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE synthesis

Synthesis of METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE from Methanol and 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid

METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE Preparation Products And Raw materials

Raw materials

BENZENESELENINIC ANHYDRIDE Methanol

Preparation Products

METHYL 4-AZA-5ALPHA-ANDROSTA-3-ONE-17BETA-CARBOXYLATE 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid 3-Oxo-4-aza-5α-αndrost-1,5-diene-17β-carboxylic Acid Methyl Ester 3-Oxo-4-aza-11a-Methoxy-5α-αndrost-1-ene-17β-carboxylic Acid Methyl Ester 3-Oxo-4-azaandrosta-1,5,7-triene-17-carboxylic Acid Methyl Ester

METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE Suppliers

Global( 82)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21691	55
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28180	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14336	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19553	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63711	58
career henan chemical co	+86-0371-86658258 15093356674;	factory@coreychem.com	China	29826	58
SIMAGCHEM CORP	+86-13806087780	sale@simagchem.com	China	17367	58
Finetech Industry Limited	+86-27-87465837 +8618971612321	info@finetechnology-ind.com	China	9702	58
sgtlifesciences pvt ltd	+8617013299288	dj@sgtlifesciences.com	China	12382	58
Shaanxi Didu New Materials Co. Ltd	+86-89586680 +86-13289823923	1026@dideu.com	China	9116	58

Supplier	Advantage
Henan Tianfu Chemical Co.,Ltd.	55
Hubei Jusheng Technology Co.,Ltd.	58
Standardpharm Co. Ltd.	58
BOC Sciences	58
Alchem Pharmtech,Inc.	58
career henan chemical co	58
SIMAGCHEM CORP	58
Finetech Industry Limited	58
sgtlifesciences pvt ltd	58
Shaanxi Didu New Materials Co. Ltd	58

View Lastest Price from METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2023-07-27	Dutasteride Ester Impurity 103335-41-7	US $1.50 / g	1g	99.0% Min	100 Tons	Shaanxi Didu New Materials Co. Ltd
	2020-01-17	METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE 103335-41-7	US $1.00 / KG	1KG	85.0-99.8%	200kgs	Career Henan Chemical Co

Dutasteride Ester Impurity
103335-41-7
US $1.50 / g
99.0% Min
Shaanxi Didu New Materials Co. Ltd

METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE
103335-41-7
US $1.00 / KG
85.0-99.8%
Career Henan Chemical Co

103335-41-7(METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXYLATE)Related Search:

4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid Ethyl 3-Oxo-4-aza-5α-androst-1-ene-17β-carboxylate Dutasteride Chloro IMpurity Dutasteride Related Impurity 1 Dutasteride EP Impurity I

(4aR,4bS,6aS,7S,9aS,9bS,11aS)-4a,6a-diMethyl-2-oxohexadecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid 5,6-Dehydro-17β-dutasteride 5β-Dutasteride Dutasteride IMpurity L Dutasteride Impurity E (Dutasteride 17-alfa-epimer)

(5a,6a,17)-N-(1,1-Dimethylethyl)-6-hydroxy-3-oxo-4-azaandrost-1-ene-17-carboxamide 2,5-Bis(trifluoromethyl)aniline Dutasteride Dihydrodutasteride 2,6-BIS(TRIFLUOROMETHYL)ANILINE

3,4-Bis-trifluoromethyl-phenylamine 1,4-Bis(trifluoromethyl)-benzene JWJOTENAMICLJG-XHGXNVPLSA-N

1of4

METHYL 3-OXO-4-AZA-5-ALPHA-ANDROST-1-ENE-17-BETA-CARBOXYLATE 3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic Acid Methyl Ester (4aR,4bS,6aS,7S,9aS,9bS,11aR)-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-Tetradecahydro-4a,6a-diMethyl-2-oxo- Finasteride Methyl Ester Analog (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-t (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 (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 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 Dutasteride Methyl Ester Impurity methyl 3-oxo-4-aza-5α-androst-1-ene-17β-carboxylate Finasteride Impurity B (Dutasteride Ester Impurity) Finasteride Impurity 2（Finasteride EP Impurity B） METHYL 4-AZA-5ALPHA-ANDROSTA-1-EN-3-ONE-17BETA-CARBOXAMIDE(M4) methyl-3- oxo-4-aza-5-alfa-androst-1ene-17-beta-carboxylate Dutasteride Ester Impurity (Finasteride EP Impurity B) Finasteride EP Impurity B (Dutasteride Ester Impurity) (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 (EP) Finasteride EP Impurity B Methyl 3-Oxo-4-aza-5alpha-androst-1 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)- Dutasteride Methyl Ester Analog (Finasteride Methyl Ester Analog) Finasteride EP Impurity B/ Finasteride Related Compund D (Dutasteride Methyl Ester Analog/Finasteride Methyl Ester Analog) Dutasteride Related Impurity 4 3-Oxo-4-aza-5α-αndrost-1-ene-17β-carboxylic Acid Methyl Ester Finasteride EP Impurity B(Dutasteride Impurity 11) Methyl-3-oxo-4-aza-5alpha-androst-1-ene-17beta-carboxylate（M4） (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 (Dutasteride Impurity) 3-Oxo-4-azα-5α-androst-1-ene-17β-carboxylic Acid Methyl Ester Finasteride EP Impurity B / Finasteride Related Compound D / Dutasteride Methyl Ester Impurity / Dutasteride MethylEsterAnalog 3-Oxo-4-aza-5α-αndrost-1-ene-173-carboxylic acid methyl ester 103335-41-7 Intermediates Intermediates & Fine Chemicals Pharmaceuticals Steroids