2-Bromo-3-methyl-N-(m-tolyl)butanamide CAS 391220-18-1

Purity 97%+In StockPharmaceutical Standards
CAS No.391220-18-1
Molecular FormulaC12H16BrNO
Molecular Weight270.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Bromo-3-methyl-N-(m-tolyl)butanamide CAS 391220-18-1 chemical structure

Description

The occurrence of 2-Bromo-3-methyl-N-(m-tolyl)butanamide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-Bromo-3-methyl-N-(m-tolyl)butanamide (CAS 391220-18-1) is a high-purity analytical reference standard with the molecular formula C12H16BrNO and a molecular weight of 270.17 g/mol.

Based on its molecular formula C12H16BrNO, 2-Bromo-3-methyl-N-(m-tolyl)butanamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 270.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

As a certified reference material (CRM), 2-Bromo-3-methyl-N-(m-tolyl)butanamide 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 FormulaC12H16BrNO
Molecular Weight270.17 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentBr-containing
Nitrogen Atoms1

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