7-Methyl-5H-thiazolo[3,2-a]pyrimidin-5-one CAS 700-52-7

Description

Compared with other compounds in its class, the molecular weight of 166.20 g/mol gives 7-Methyl-5H-thiazolo[3,2-a]pyrimidin-5-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

7-Methyl-5H-thiazolo[3,2-a]pyrimidin-5-one (CAS 700-52-7), molecular formula C7H6N2OS and molecular weight 166.20 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 7-Methyl-5H-thiazolo[3,2-a]pyrimidin-5-one (C7H6N2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 166.20 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.

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.

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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