4-((4-Chlorophenyl)sulfonyl)-3-methylthiophene-2-carboxylic acid CAS 175137-65-2

Purity 97%+In StockPharmaceutical Standards
CAS No.175137-65-2
Molecular FormulaC12H9ClO4S2
Molecular Weight316.78 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-((4-Chlorophenyl)sulfonyl)-3-methylthiophene-2-carboxylic acid CAS 175137-65-2 chemical structure

Description

4-((4-Chlorophenyl)sulfonyl)-3-methylthiophene-2-carboxylic acid (CAS 175137-65-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H9ClO4S2. Molecular weight: 316.78 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H9ClO4S2
Molecular Weight316.78 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2007
Halogen ContentCl-containing
Sulfur Atoms2

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