(5-Bromo-2-chloropyridin-4-yl)boronic acid CAS 871329-63-4

Purity 97%+In StockPharmaceutical Standards
CAS No.871329-63-4
Molecular FormulaC5H4BBrClNO2
Molecular Weight236.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(5-Bromo-2-chloropyridin-4-yl)boronic acid CAS 871329-63-4 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (5-Bromo-2-chloropyridin-4-yl)boronic acid.

(5-Bromo-2-chloropyridin-4-yl)boronic acid (CAS 871329-63-4) is a high-purity analytical reference standard with the molecular formula C5H4BBrClNO2 and a molecular weight of 236.26 g/mol.

Based on its molecular formula C5H4BBrClNO2, (5-Bromo-2-chloropyridin-4-yl)boronic acid contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 236.26 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), (5-Bromo-2-chloropyridin-4-yl)boronic acid 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 FormulaC5H4BBrClNO2
Molecular Weight236.26 g/mol
AppearanceWhite 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)3.5
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1987
Halogen ContentCl/Br-containing
Nitrogen Atoms1

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