4-chloro-2-(2,2-difluoroethoxy)aniline CAS 1247621-99-3

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-chloro-2-(2,2-difluoroethoxy)aniline.

4-chloro-2-(2,2-difluoroethoxy)aniline (CAS 1247621-99-3), molecular formula C8H8ClF2NO and molecular weight 207.61 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H8ClF2NO, 4-chloro-2-(2,2-difluoroethoxy)aniline contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 207.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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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