1-(2-chloro-3,6-difluorophenyl)ethan-1-one CAS 890934-10-8

Description

The occurrence of 1-(2-chloro-3,6-difluorophenyl)ethan-1-one is closely related to a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1-(2-chloro-3,6-difluorophenyl)ethan-1-one (CAS 890934-10-8), molecular formula C8H5ClF2O and molecular weight 190.57 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-(2-chloro-3,6-difluorophenyl)ethan-1-one (C8H5ClF2O) contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 190.57 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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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