5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
[CAS# 139756-22-2]

Identification

• Name: 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
• Synonyms: 4-Ethoxy-3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzene-1-sulfonyl chloride
• Molecular Formula: C₁₇H₁₉ClN₄O₄S
• Molecular Weight: 410.88
• CAS Registry Number: 139756-22-2
• EC Number: 604-161-3

Properties

• Solubility: Practically insoluble (0.02 g/L) (25 ºC), Calc.^*
• Density: 1.48±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 195 ºC (methanol )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)^**Kumar, Rajesh; Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry 2010, V49B(1), P84-88.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Skin corrosion	Skin Corr.	1C	H314