Ethyl 5-acetyl-3-phenylisoxazole-4-carboxylate CAS 129663-15-6

Description

Compared with other compounds in its class, the molecular weight of 259.26 g/mol gives Ethyl 5-acetyl-3-phenylisoxazole-4-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Ethyl 5-acetyl-3-phenylisoxazole-4-carboxylate (CAS 129663-15-6) is a high-purity analytical reference standard with the molecular formula C14H13NO4 and a molecular weight of 259.26 g/mol.

Structurally, Ethyl 5-acetyl-3-phenylisoxazole-4-carboxylate (C14H13NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 259.26 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 Ethyl 5-acetyl-3-phenylisoxazole-4-carboxylate 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

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