2-(4-Chlorophenyl)-5-methylthiazole-4-carboxylic acid CAS 205692-24-6

Purity 97%+In StockPharmaceutical Standards
CAS No.205692-24-6
Molecular FormulaC11H8ClNO2S
Molecular Weight253.70 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Chlorophenyl)-5-methylthiazole-4-carboxylic acid CAS 205692-24-6 chemical structure

Description

CATO manufactures 2-(4-Chlorophenyl)-5-methylthiazole-4-carboxylic acid 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.

2-(4-Chlorophenyl)-5-methylthiazole-4-carboxylic acid (CAS 205692-24-6), molecular formula C11H8ClNO2S and molecular weight 253.70 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C11H8ClNO2S, 2-(4-Chlorophenyl)-5-methylthiazole-4-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

Physical & Chemical Properties

Molecular FormulaC11H8ClNO2S
Molecular Weight253.70 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2015
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms1

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