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Sildenafil impurity

Sildenafil impurity structure

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;4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl) ethyl 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

MDL Number:

MOL File:: 1971915-89-5.mol

Last updated:2023-04-23 13:52:06

Product description	Number	Pack Size	Price
3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethylesterBenzenesulfonicacid	D414610	250mg	$965

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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 price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	D414610	3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethylesterBenzenesulfonicacid	1971915-89-5	250mg	$965	2021-12-16	Buy

Product number	Packaging	Price	Buy
D414610	250mg	$965	Buy

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( 40)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Career Henan Chemica Co	+86-0371-86658258 +8613203830695	laboratory@coreychem.com	China	30228	58
Moxin Chemicals	+86-17320513646 +8617320513646	anna@molcoo.com	China	10000	58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.	+undefined18603013401	jack.lin@sincopharmachem.com	China	9996	58
QUALITY CONTROL SOLUTIONS LTD.	+86-0755-66853366 +86-13670046396	export03@qcsrm.com	China	24342	58
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18422	56
Shandong Boluoda Biological Technology Co., Ltd.	0531-68651977	2310993908@qq.com	China	2918	58
Shanghai Kewel Chemical Co., Ltd.	021-64609169 18901607656	greensnown@163.com	China	9906	50
Nanjing XiZe Biotechnology CO., Ltd.	025-66023220 15250997978	1511893459@qq.com	China	4876	55
Lianyungang TengFa Biological Technology Co. Ltd	0518-85475186 18705131893	wang666xt@163.com	China	351	55

Supplier	Advantage
Standardpharm Co. Ltd.	58
Career Henan Chemica Co	58
Moxin Chemicals	58
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.	58
QUALITY CONTROL SOLUTIONS LTD.	58
Quality Control Solutions Ltd.	56
Shandong Boluoda Biological Technology Co., Ltd.	58
Shanghai Kewel Chemical Co., Ltd.	50
Nanjing XiZe Biotechnology CO., Ltd.	55
Lianyungang TengFa Biological Technology Co. Ltd	55

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

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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

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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 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl) ethyl benzenesulfonate 1971915-89-5