2-(2-Chlorobenzenesulfinyl)-1,1-bis(4-chlorophenyl)ethan-1-ol CAS 252026-78-1

Description

The occurrence of 2-(2-Chlorobenzenesulfinyl)-1,1-bis(4-chlorophenyl)ethan-1-ol is closely related to a steroid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-(2-Chlorobenzenesulfinyl)-1,1-bis(4-chlorophenyl)ethan-1-ol (CAS 252026-78-1), molecular formula C20H15Cl3O2S and molecular weight 425.76 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-(2-Chlorobenzenesulfinyl)-1,1-bis(4-chlorophenyl)ethan-1-ol (C20H15Cl3O2S) contains a steroid core, a sulfone group, 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 425.76 g/mol, it falls into the moderately-high-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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