5-(4-Fluorophenyl)-4-(4-(2-methoxyphenyl)piperazin-1-yl)-6-methylthieno[2,3-d]pyrimidine CAS 379236-72-3

Description

Structurally, 5-(4-Fluorophenyl)-4-(4-(2-methoxyphenyl)piperazin-1-yl)-6-methylthieno[2,3-d]pyrimidine (C24H23FN4OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 434.53 g/mol, it falls into the moderately-high-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.

5-(4-Fluorophenyl)-4-(4-(2-methoxyphenyl)piperazin-1-yl)-6-methylthieno[2,3-d]pyrimidine (CAS 379236-72-3) is a high-purity analytical reference standard with the molecular formula C24H23FN4OS and a molecular weight of 434.53 g/mol.

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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