Ethyl(4-fluoro-3-methylphenyl)sulfane CAS 252555-34-3

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl(4-fluoro-3-methylphenyl)sulfane.

Ethyl(4-fluoro-3-methylphenyl)sulfane (CAS 252555-34-3), molecular formula C9H11FS and molecular weight 170.25 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to sulfur-containing functionality, fluorine substitution, an aromatic ring system, Ethyl(4-fluoro-3-methylphenyl)sulfane is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 170.25 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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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