methyl 4-chloro-2,5-dimethylthieno[2,3-d]pyrimidine-6-carboxylate CAS 872319-75-0

Description

As a certified reference material (CRM), methyl 4-chloro-2,5-dimethylthieno[2,3-d]pyrimidine-6-carboxylate 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.

CATO supplies methyl 4-chloro-2,5-dimethylthieno[2,3-d]pyrimidine-6-carboxylate (CAS 872319-75-0), a certified reference material (molecular formula C10H9ClN2O2S, MW 256.71 g/mol) for analytical method development and quality control.

Based on its molecular formula C10H9ClN2O2S, methyl 4-chloro-2,5-dimethylthieno[2,3-d]pyrimidine-6-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 256.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

Physical & Chemical Properties

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