4-Chloro-3-methyl-1-benzothiophene-2-sulfonyl chloride CAS 752135-45-8

Purity 97%+In StockPharmaceutical Standards
CAS No.752135-45-8
Molecular FormulaC9H6Cl2O2S2
Molecular Weight281.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-3-methyl-1-benzothiophene-2-sulfonyl chloride CAS 752135-45-8 chemical structure

Description

The occurrence of 4-Chloro-3-methyl-1-benzothiophene-2-sulfonyl chloride is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Chloro-3-methyl-1-benzothiophene-2-sulfonyl chloride (CAS 752135-45-8), molecular formula C9H6Cl2O2S2 and molecular weight 281.18 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H6Cl2O2S2, 4-Chloro-3-methyl-1-benzothiophene-2-sulfonyl chloride contains 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 281.18 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).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 4-Chloro-3-methyl-1-benzothiophene-2-sulfonyl chloride 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 FormulaC9H6Cl2O2S2
Molecular Weight281.18 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1986
Halogen ContentCl-containing
Sulfur Atoms2

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