5-Chloro-2-(2,4-dichlorophenyl)-2H-1,2,3-triazole-4-carboxylic acid CAS 1779119-79-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1779119-79-7
Molecular FormulaC9H4Cl3N3O2
Molecular Weight292.51 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Chloro-2-(2,4-dichlorophenyl)-2H-1,2,3-triazole-4-carboxylic acid CAS 1779119-79-7 chemical structure

Description

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 supplies 5-Chloro-2-(2,4-dichlorophenyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1779119-79-7), a certified reference material (molecular formula C9H4Cl3N3O2, MW 292.51 g/mol) for analytical method development and quality control.

Based on its molecular formula C9H4Cl3N3O2, 5-Chloro-2-(2,4-dichlorophenyl)-2H-1,2,3-triazole-4-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 292.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 5-Chloro-2-(2,4-dichlorophenyl)-2H-1,2,3-triazole-4-carboxylic acid 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 FormulaC9H4Cl3N3O2
Molecular Weight292.51 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
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.)1994
Halogen ContentCl-containing
Nitrogen Atoms3

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