2-Chloro-1-[1-(3,5-dimethylphenyl)-2,5-dimethyl-1h-pyrrol-3-yl]ethan-1-one CAS 749920-15-8

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.

2-Chloro-1-[1-(3,5-dimethylphenyl)-2,5-dimethyl-1h-pyrrol-3-yl]ethan-1-one (CAS 749920-15-8), molecular formula C16H18ClNO and molecular weight 275.77 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 2-Chloro-1-[1-(3,5-dimethylphenyl)-2,5-dimethyl-1h-pyrrol-3-yl]ethan-1-one is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 275.77 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

As a certified reference material (CRM), 2-Chloro-1-[1-(3,5-dimethylphenyl)-2,5-dimethyl-1h-pyrrol-3-yl]ethan-1-one 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

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