3-Pyridinecarboxylic acid, 2-chloro-5-methyl-, methyl ester 65169-43-9 CAS 65169-43-9

Purity 97%+In StockPharmaceutical Standards
CAS No.65169-43-9
Molecular FormulaC8H14ClNO2
Molecular Weight191.66 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Pyridinecarboxylic acid, 2-chloro-5-methyl-, methyl ester 65169-43-9 CAS 65169-43-9 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 3-Pyridinecarboxylic acid, 2-chloro-5-methyl-, methyl ester 65169-43-9 (CAS 65169-43-9), a certified reference material (molecular formula C8H14ClNO2, MW 191.66 g/mol) for analytical method development and quality control.

3-Pyridinecarboxylic acid, 2-chloro-5-methyl-, methyl ester 65169-43-9 (C8H14ClNO2) contains an amide group, a carboxylic acid 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. 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), 3-Pyridinecarboxylic acid, 2-chloro-5-methyl-, methyl ester 65169-43-9 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 FormulaC8H14ClNO2
Molecular Weight191.66 g/mol
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)
StabilityLight-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1975
Halogen ContentCl-containing
Nitrogen Atoms1

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