5-Chlorosalicylic Acid CAS 321-14-2

Purity >95%In StockPharmaceutical Standards
CAS No.321-14-2
Molecular FormulaC7H5ClO3
Molecular Weight172.57 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Chlorosalicylic Acid CAS 321-14-2 chemical structure

Description

5-Chlorosalicylic Acid (CAS 321-14-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5ClO3. Molecular weight: 172.57 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H5ClO3
Molecular Weight172.57 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity>95%
StorageStore at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentCl-containing

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