N-(4-Bromophenyl)-3-methyl-N-(m-tolyl)aniline CAS 203710-89-8

Purity 97%+In StockPharmaceutical Standards
CAS No.203710-89-8
Molecular FormulaC20H18BrN
Molecular Weight352.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(4-Bromophenyl)-3-methyl-N-(m-tolyl)aniline CAS 203710-89-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 352.27 g/mol gives N-(4-Bromophenyl)-3-methyl-N-(m-tolyl)aniline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N-(4-Bromophenyl)-3-methyl-N-(m-tolyl)aniline (CAS 203710-89-8), molecular formula C20H18BrN and molecular weight 352.27 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution, N-(4-Bromophenyl)-3-methyl-N-(m-tolyl)aniline is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 352.27 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.

As a certified reference material (CRM), N-(4-Bromophenyl)-3-methyl-N-(m-tolyl)aniline meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC20H18BrN
Molecular Weight352.27 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2015
Halogen ContentBr-containing
Nitrogen Atoms1

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