Sildenafil impurity

CAS No.: 1971915-89-5

Chemical Name:: Sildenafil impurity

Synonyms: Sildenafil-002;SildefilImpurity33;Sildenafil Impurity J;Ethyl 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate;ethyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate;3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid;Benzenesulfonic acid, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-, ethyl ester;Sildenafil impurity 9/ 3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid

CBNumber:: CB54665426

Molecular Formula:: C19H24N4O5S

Molecular Weight:: 420.48

MOL File:: 1971915-89-5.mol

Modify Date:: 2023/4/23 13:52:06

Request For Quotation

Sildenafil impurity Properties

Melting point	149 - 152°C
Boiling point	624.0±65.0 °C(Predicted)
Density	1.37±0.1 g/cm3(Predicted)
storage temp.	Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Solid
pka	0.36±0.20(Predicted)
color	White to Off-White

Sildenafil impurity Chemical Properties,Uses,Production

Uses

3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid is used in the preparation of sildenafil impurity for pharmaceutical quality control by esterification.

Sildenafil impurity Preparation Products And Raw materials

Raw materials

Preparation Products

Sildenafil impurity Suppliers

Global( 37)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
Pharmaffiliates Analytics and Synthetics P. Ltd	+91-172-5066494	Haryana, India	6773	58	Inquiry
Career Henan Chemica Co	+86-0371-86658258 +8613203830695	China	30253	58	Inquiry
China National Standard Pharmaceutical Corporation Limited	+8615391658522	China	11927	58	Inquiry
Shanghai Zerui Biotechnology Co., Ltd.	021-54580889 18321124657	China	10614	58	Inquiry
JiNan QiYuan Biotechnology Co., Ltd	18766124282; 18766124282	China	743	58	Inquiry
Shanghai YuZn Pharm. Technology Co.,Ltd.	15921286451; 15921286451	China	5060	58	Inquiry
Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd	18502726233; 18502726233	China	9486	58	Inquiry
Shanghai Kewel Chemical Co., Ltd.	021-64609169 18901607656	China	9911	50	Inquiry
Shandong Wadesen Biotechnology Co. LTD	0531-88723173 18596073690	China	3856	58	Inquiry
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd	18102736234 18102736234	China	7100	58	Inquiry

Supplier	Advantage
Pharmaffiliates Analytics and Synthetics P. Ltd	58
Career Henan Chemica Co	58
China National Standard Pharmaceutical Corporation Limited	58
Shanghai Zerui Biotechnology Co., Ltd.	58
JiNan QiYuan Biotechnology Co., Ltd	58
Shanghai YuZn Pharm. Technology Co.,Ltd.	58
Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd	58
Shanghai Kewel Chemical Co., Ltd.	50
Shandong Wadesen Biotechnology Co. LTD	58
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd	58

1971915-89-5(Sildenafil impurity)Related Search:

4-Amino-2-methyl-5-propyl-2H-pyrazole-3-carboxylic acid 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-(5-chloro-2-ethoxyphenyl)-1,6-dihydro-1-methyl-3-propyl- Sildenafil EP IMpurity D Propoxyphenyl Sildenafil DESMETHYL SILDENAFIL

Homo Sildenafil Sildenafil DiMer IMpurity SILDENAFIL N-OXIDE 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl- 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonamide

1-Methyl-4-nitro-3-propyl-(1H)-pyrazole-5-carboxamide 5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one Desethyl Sildenafil 1-METHYL-4-NITRO-3-PROPYL-1H-PYRAZOLE-5-CARBOXYLIC ACID 1H-PYRAZOLE-5-CARBOXAMIDE, 4-[[2-ETHOXY-5-[(4-METHYL-1-PIPERAZINYL)SULFONYL]BENZOYL]AMINO]-1-METHYL-3-PROPYL-

1-Piperazinesulfonicacid,4-methyl-(9CI) 2-ETHOXY-5-[(4-METHYLPIPERAZIN-1-YL)SULFONYL]BENZOIC ACID 5-CHLOROSULFONYL-2-ETHOXYBENZOIC ACID

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Sildenafil-002 Sildenafil Impurity J Sildenafil impurity 9/ 3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid ethyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate 3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid SildefilImpurity33 Ethyl 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate Benzenesulfonic acid, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-, ethyl ester 1971915-89-5