2-Chloro-4-(difluoromethyl)-5-(trifluoromethyl)nicotinaldehyde CAS 1806875-46-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1806875-46-6
Molecular FormulaC8H3ClF5NO
Molecular Weight259.56 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Chloro-4-(difluoromethyl)-5-(trifluoromethyl)nicotinaldehyde CAS 1806875-46-6 chemical structure

Description

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.

2-Chloro-4-(difluoromethyl)-5-(trifluoromethyl)nicotinaldehyde (CAS 1806875-46-6) is a high-purity analytical reference standard with the molecular formula C8H3ClF5NO and a molecular weight of 259.56 g/mol.

Structurally, 2-Chloro-4-(difluoromethyl)-5-(trifluoromethyl)nicotinaldehyde (C8H3ClF5NO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. 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 259.56 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.

Physical & Chemical Properties

Molecular FormulaC8H3ClF5NO
Molecular Weight259.56 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
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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