2-(4-chlorophenyl)propanoic acid 4-Chloro-alpha-methylphenylacetic acid 938-95-4 CAS 938-95-4

Purity 97%+In StockPharmaceutical Standards
CAS No.938-95-4
Molecular FormulaC9H15ClO2
Molecular Weight190.67 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-chlorophenyl)propanoic acid
4-Chloro-alpha-methylphenylacetic acid
938-95-4 CAS 938-95-4 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.

2-(4-chlorophenyl)propanoic acid 4-Chloro-alpha-methylphenylacetic acid 938-95-4 (CAS 938-95-4) is a high-purity analytical reference standard with the molecular formula C9H15ClO2 and a molecular weight of 190.67 g/mol.

Based on its molecular formula C9H15ClO2, 2-(4-chlorophenyl)propanoic acid 4-Chloro-alpha-methylphenylacetic acid 938-95-4 contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 190.67 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.

As a certified reference material (CRM), 2-(4-chlorophenyl)propanoic acid 4-Chloro-alpha-methylphenylacetic acid 938-95-4 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC9H15ClO2
Molecular Weight190.67 g/mol
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityContains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1957
Halogen ContentCl-containing

Related chlorophenyl Standards

Recommended Standards

Why CATO?