2-(Difluoromethyl)-4-hydroxypyridine-5-carbonyl chloride CAS 1804702-20-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1804702-20-2
Molecular FormulaC7H4ClF2NO2
Molecular Weight207.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(Difluoromethyl)-4-hydroxypyridine-5-carbonyl chloride CAS 1804702-20-2 chemical structure

Description

The occurrence of 2-(Difluoromethyl)-4-hydroxypyridine-5-carbonyl chloride is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-(Difluoromethyl)-4-hydroxypyridine-5-carbonyl chloride (CAS 1804702-20-2), molecular formula C7H4ClF2NO2 and molecular weight 207.56 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-(Difluoromethyl)-4-hydroxypyridine-5-carbonyl chloride (C7H4ClF2NO2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 207.56 g/mol, it falls into the medium-molecular-weight range. 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.

CATO manufactures 2-(Difluoromethyl)-4-hydroxypyridine-5-carbonyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC7H4ClF2NO2
Molecular Weight207.56 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1995
Halogen ContentF/Cl-containing
Nitrogen Atoms1

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