3-Chloro-5-ethynylbenzoic acid CAS 1862985-95-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1862985-95-2
Molecular FormulaC9H5ClO2
Molecular Weight180.59 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Chloro-5-ethynylbenzoic acid CAS 1862985-95-2 chemical structure

Description

3-Chloro-5-ethynylbenzoic acid (CAS 1862985-95-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H5ClO2. Molecular weight: 180.59 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC9H5ClO2
Molecular Weight180.59 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995
Halogen ContentCl-containing

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