3-(2,4-Dichlorophenyl)-6-(trifluoromethyl)isoxazolo[4,5-b]pyridine CAS 339106-32-0

Purity 97%+In StockPharmaceutical Standards
CAS No.339106-32-0
Molecular FormulaC13H5Cl2F3N2O
Molecular Weight333.09 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(2,4-Dichlorophenyl)-6-(trifluoromethyl)isoxazolo[4,5-b]pyridine CAS 339106-32-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 333.09 g/mol gives 3-(2,4-Dichlorophenyl)-6-(trifluoromethyl)isoxazolo[4,5-b]pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(2,4-Dichlorophenyl)-6-(trifluoromethyl)isoxazolo[4,5-b]pyridine (CAS 339106-32-0), molecular formula C13H5Cl2F3N2O and molecular weight 333.09 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-(2,4-Dichlorophenyl)-6-(trifluoromethyl)isoxazolo[4,5-b]pyridine (C13H5Cl2F3N2O) 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 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 333.09 g/mol, it falls into the moderately-high-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 3-(2,4-Dichlorophenyl)-6-(trifluoromethyl)isoxazolo[4,5-b]pyridine 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 FormulaC13H5Cl2F3N2O
Molecular Weight333.09 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF/Cl-containing
Nitrogen Atoms2

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