5-(4-Fluorophenyl)-3-methyl-5-oxopentanoic acid CAS 845781-35-3

Description

Compared with other compounds in its class, the molecular weight of 224.23 g/mol gives 5-(4-Fluorophenyl)-3-methyl-5-oxopentanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-(4-Fluorophenyl)-3-methyl-5-oxopentanoic acid (CAS 845781-35-3), molecular formula C12H13FO3 and molecular weight 224.23 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C12H13FO3, 5-(4-Fluorophenyl)-3-methyl-5-oxopentanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 224.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

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