2-(Methylthio)pyrimidine-4,6-diamine CAS 1005-39-6

Description

Compared with other compounds in its class, the molecular weight of 156.21 g/mol gives 2-(Methylthio)pyrimidine-4,6-diamine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(Methylthio)pyrimidine-4,6-diamine (CAS 1005-39-6), molecular formula C5H8N4S and molecular weight 156.21 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-(Methylthio)pyrimidine-4,6-diamine (C5H8N4S) contains a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 156.21 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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-(Methylthio)pyrimidine-4,6-diamine 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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