5-(Ethoxycarbonyl)-2-hydroxybenzoic acid CAS 90844-13-6

Description

The occurrence of 5-(Ethoxycarbonyl)-2-hydroxybenzoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-(Ethoxycarbonyl)-2-hydroxybenzoic acid (CAS 90844-13-6), molecular formula C10H10O5 and molecular weight 210.18 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C10H10O5, 5-(Ethoxycarbonyl)-2-hydroxybenzoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 210.18 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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