Methyl 4-(chlorosulfonyl)-1-methyl-1H-pyrazole-5-carboxylate CAS 1707586-97-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1707586-97-7
Molecular FormulaC6H7ClN2O4S
Molecular Weight238.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 4-(chlorosulfonyl)-1-methyl-1H-pyrazole-5-carboxylate CAS 1707586-97-7 chemical structure

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Methyl 4-(chlorosulfonyl)-1-methyl-1H-pyrazole-5-carboxylate (CAS 1707586-97-7) is a high-purity analytical reference standard with the molecular formula C6H7ClN2O4S and a molecular weight of 238.65 g/mol.

Based on its molecular formula C6H7ClN2O4S, Methyl 4-(chlorosulfonyl)-1-methyl-1H-pyrazole-5-carboxylate contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

CATO manufactures Methyl 4-(chlorosulfonyl)-1-methyl-1H-pyrazole-5-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC6H7ClN2O4S
Molecular Weight238.65 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 methanol, ethanol, DMSO, water
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

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