4-Hydroxy-2-(methylthio)pyrimidine-5-carboxylic acid CAS 397308-78-0

Description

The occurrence of 4-Hydroxy-2-(methylthio)pyrimidine-5-carboxylic acid is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Hydroxy-2-(methylthio)pyrimidine-5-carboxylic acid (CAS 397308-78-0) is a high-purity analytical reference standard with the molecular formula C6H6N2O3S and a molecular weight of 186.19 g/mol.

Structurally, 4-Hydroxy-2-(methylthio)pyrimidine-5-carboxylic acid (C6H6N2O3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 186.19 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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