3-Chloro-4-(5-isopropyl-2-methylphenoxy)aniline CAS 946729-73-3

Description

Compared with other compounds in its class, the molecular weight of 275.77 g/mol gives 3-Chloro-4-(5-isopropyl-2-methylphenoxy)aniline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-Chloro-4-(5-isopropyl-2-methylphenoxy)aniline (CAS 946729-73-3), molecular formula C16H18ClNO and molecular weight 275.77 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 3-Chloro-4-(5-isopropyl-2-methylphenoxy)aniline is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 275.77 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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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