6-[(4-Chlorobenzenesulfinyl)methyl]-N-[(2,4-dichlorophenyl)methyl]-2-methylpyrimidin-4-amine CAS 338960-33-1

Description

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.

6-[(4-Chlorobenzenesulfinyl)methyl]-N-[(2,4-dichlorophenyl)methyl]-2-methylpyrimidin-4-amine (CAS 338960-33-1) is a high-purity analytical reference standard with the molecular formula C19H16Cl3N3OS and a molecular weight of 440.77 g/mol.

Structurally, 6-[(4-Chlorobenzenesulfinyl)methyl]-N-[(2,4-dichlorophenyl)methyl]-2-methylpyrimidin-4-amine (C19H16Cl3N3OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 440.77 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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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