1-(3-Chloro-4-methylphenyl)-2-methylpropan-1-one CAS 75187-42-7

Description

Compared with other compounds in its class, the molecular weight of 196.67 g/mol gives 1-(3-Chloro-4-methylphenyl)-2-methylpropan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(3-Chloro-4-methylphenyl)-2-methylpropan-1-one (CAS 75187-42-7), molecular formula C11H13ClO and molecular weight 196.67 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1-(3-Chloro-4-methylphenyl)-2-methylpropan-1-one (C11H13ClO) contains a hydroxyl group, an ether linkage, 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 196.67 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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