5-Bromo-3-methylpyridine-2-carbonyl chloride CAS 1114809-24-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1114809-24-3
Molecular FormulaC7H5BrClNO
Molecular Weight234.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Bromo-3-methylpyridine-2-carbonyl chloride CAS 1114809-24-3 chemical structure

Description

The occurrence of 5-Bromo-3-methylpyridine-2-carbonyl chloride is closely related to an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-Bromo-3-methylpyridine-2-carbonyl chloride (CAS 1114809-24-3) is a high-purity analytical reference standard with the molecular formula C7H5BrClNO and a molecular weight of 234.48 g/mol.

Based on its molecular formula C7H5BrClNO, 5-Bromo-3-methylpyridine-2-carbonyl chloride contains an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 234.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 5-Bromo-3-methylpyridine-2-carbonyl chloride 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 FormulaC7H5BrClNO
Molecular Weight234.48 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
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.)1989
Halogen ContentCl/Br-containing
Nitrogen Atoms1

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