2-Methyl-2H,4H,5H,6H-cyclopenta[c]pyrazole-3-sulfonyl chloride CAS 1782834-36-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1782834-36-9
Molecular FormulaC7H9ClN2O2S
Molecular Weight220.68 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methyl-2H,4H,5H,6H-cyclopenta[c]pyrazole-3-sulfonyl chloride CAS 1782834-36-9 chemical structure

Description

2-Methyl-2H,4H,5H,6H-cyclopenta[c]pyrazole-3-sulfonyl chloride (CAS 1782834-36-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H9ClN2O2S. Molecular weight: 220.68 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H9ClN2O2S
Molecular Weight220.68 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

Recommended Standards

Why CATO?