7-Amino-4-(methylthio)pyrido[2,3-d]pyrimidine-6-carbonitrile CAS 7154-40-7

Description

Compared with other compounds in its class, the molecular weight of 217.25 g/mol gives 7-Amino-4-(methylthio)pyrido[2,3-d]pyrimidine-6-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

7-Amino-4-(methylthio)pyrido[2,3-d]pyrimidine-6-carbonitrile (CAS 7154-40-7), molecular formula C9H7N5S and molecular weight 217.25 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 7-Amino-4-(methylthio)pyrido[2,3-d]pyrimidine-6-carbonitrile (C9H7N5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 217.25 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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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