((3,5-Dichloro-4-(3-isopropyl-4-methoxyphenoxy)phenyl)ethynyl)trimethylsilane 525575-59-1 7425AB C21H24Cl2O2Si CAS 525575-59-1

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.

((3,5-Dichloro-4-(3-isopropyl-4-methoxyphenoxy)phenyl)ethynyl)trimethylsilane 525575-59-1 7425AB C21H24Cl2O2Si (CAS 525575-59-1) is a high-purity analytical reference standard with the molecular formula C21H24Cl2O2Si and a molecular weight of 407.41 g/mol.

Based on its molecular formula C21H24Cl2O2Si, ((3,5-Dichloro-4-(3-isopropyl-4-methoxyphenoxy)phenyl)ethynyl)trimethylsilane 525575-59-1 7425AB C21H24Cl2O2Si contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 407.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).

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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