4-(4-Methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid CAS 1004085-26-0

Description

Compared with other compounds in its class, the molecular weight of 281.26 g/mol gives 4-(4-Methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(4-Methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid (CAS 1004085-26-0) is a high-purity analytical reference standard with the molecular formula C16H11NO4 and a molecular weight of 281.26 g/mol.

Structurally, 4-(4-Methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid (C16H11NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 281.26 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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 4-(4-Methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid 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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