4-(chloromethyl)-2-[4-(trifluoromethyl)phenyl]-1,3-oxazole CAS 22091-40-3

Purity 97%+In StockPharmaceutical Standards
CAS No.22091-40-3
Molecular FormulaC11H7ClF3NO
Molecular Weight261.63 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(chloromethyl)-2-[4-(trifluoromethyl)phenyl]-1,3-oxazole CAS 22091-40-3 chemical structure

Description

The occurrence of 4-(chloromethyl)-2-[4-(trifluoromethyl)phenyl]-1,3-oxazole is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-(chloromethyl)-2-[4-(trifluoromethyl)phenyl]-1,3-oxazole (CAS 22091-40-3) is a high-purity analytical reference standard with the molecular formula C11H7ClF3NO and a molecular weight of 261.63 g/mol.

4-(chloromethyl)-2-[4-(trifluoromethyl)phenyl]-1,3-oxazole (C11H7ClF3NO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 FormulaC11H7ClF3NO
Molecular Weight261.63 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Halogen ContentF/Cl-containing
Nitrogen Atoms1

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