[4-phenyl-5-(trifluoromethyl)-2-thienyl]methyl pivalate CAS 256525-65-2

Description

Compared with other compounds in its class, the molecular weight of 342.38 g/mol gives [4-phenyl-5-(trifluoromethyl)-2-thienyl]methyl pivalate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

[4-phenyl-5-(trifluoromethyl)-2-thienyl]methyl pivalate (CAS 256525-65-2), molecular formula C17H17F3O2S and molecular weight 342.38 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, [4-phenyl-5-(trifluoromethyl)-2-thienyl]methyl pivalate (C17H17F3O2S) contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 342.38 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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