2-(4-Chlorophenyl)-4H-benzo[d][1,3]oxazin-4-one CAS 18600-52-7

Description

Structurally, 2-(4-Chlorophenyl)-4H-benzo[d][1,3]oxazin-4-one (C14H8ClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 257.67 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

2-(4-Chlorophenyl)-4H-benzo[d][1,3]oxazin-4-one (CAS 18600-52-7), molecular formula C14H8ClNO2 and molecular weight 257.67 g/mol, is a CATO reference standard with documented purity and traceability.

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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