2,5-Dichloropyridine-4-boronic acid CAS 847664-64-6

Purity 97%+In StockPharmaceutical Standards
CAS No.847664-64-6
Molecular FormulaC5H4BCl2NO2
Molecular Weight191.81 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,5-Dichloropyridine-4-boronic acid CAS 847664-64-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 191.81 g/mol gives 2,5-Dichloropyridine-4-boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,5-Dichloropyridine-4-boronic acid (CAS 847664-64-6), molecular formula C5H4BCl2NO2 and molecular weight 191.81 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 2,5-Dichloropyridine-4-boronic acid is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 191.81 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

Molecular FormulaC5H4BCl2NO2
Molecular Weight191.81 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-containing
Nitrogen Atoms1

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