2-Amino-5-chloro-3-methylbenzoic Acid CAS 20776-67-4

Purity >95%In StockPharmaceutical Standards
CAS No.20776-67-4
Molecular FormulaC8H8ClNO2
Molecular Weight185.61 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Amino-5-chloro-3-methylbenzoic Acid CAS 20776-67-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 185.61 g/mol gives 2-Amino-5-chloro-3-methylbenzoic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Amino-5-chloro-3-methylbenzoic Acid (CAS 20776-67-4), molecular formula C8H8ClNO2 and molecular weight 185.61 g/mol, is a CATO reference standard with documented purity and traceability.

2-Amino-5-chloro-3-methylbenzoic Acid (C8H8ClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

CATO manufactures 2-Amino-5-chloro-3-methylbenzoic 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.

Physical & Chemical Properties

Molecular FormulaC8H8ClNO2
Molecular Weight185.61 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity>95%
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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Halogen ContentCl-containing
Nitrogen Atoms1

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