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4-ethoxy-3-(7-oxo-3-propyl-2,4-dihydropyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonyl chloride

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Origin: China

Cas No: 139756-31-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 139756-31-3 Formula: C16H17ClN4O4S Molecular Weight: 396.84900

Description

Intermediate for the preparation of Desmethylsildenafil.

Basic Info

Chemical Name	4-ethoxy-3-(7-oxo-3-propyl-2,4-dihydropyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonyl chloride
Synonyms	3-(6,7-Dihydro-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonyl Chloride; 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one; Des-4-methylpiperazine Desmethylsildenafil Chloride;
CAS No.	139756-31-3
Molecular Formula	C16H17ClN4O4S
Molecular Weight	396.84900
PSA	126.18000
LogP	3.67270

Properties

Density	1.55g/cm3
Refractive Index	1.686

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