4-Methyl-3-(trifluoromethyl)isoxazol-5-amine CAS 110234-58-7

Description

Compared with other compounds in its class, the molecular weight of 166.10 g/mol gives 4-Methyl-3-(trifluoromethyl)isoxazol-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Methyl-3-(trifluoromethyl)isoxazol-5-amine (CAS 110234-58-7), molecular formula C5H5F3N2O and molecular weight 166.10 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 4-Methyl-3-(trifluoromethyl)isoxazol-5-amine is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 166.10 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

As a certified reference material (CRM), 4-Methyl-3-(trifluoromethyl)isoxazol-5-amine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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