2-Amino-6-thioxo-1,6-dihydropyrimidine-4-carboxylic acid CAS 6301-34-4

Description

The occurrence of 2-Amino-6-thioxo-1,6-dihydropyrimidine-4-carboxylic acid is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-Amino-6-thioxo-1,6-dihydropyrimidine-4-carboxylic acid (CAS 6301-34-4), molecular formula C5H5N3O2S and molecular weight 171.18 g/mol, is a CATO reference standard with documented purity and traceability.

2-Amino-6-thioxo-1,6-dihydropyrimidine-4-carboxylic acid (C5H5N3O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

As a certified reference material (CRM), 2-Amino-6-thioxo-1,6-dihydropyrimidine-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

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