2-amino-2-(4-hydroxy-3,5-dimethylphenyl)acetic acid CAS 37409-33-9

Description

Compared with other compounds in its class, the molecular weight of 195.22 g/mol gives 2-amino-2-(4-hydroxy-3,5-dimethylphenyl)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-amino-2-(4-hydroxy-3,5-dimethylphenyl)acetic acid (CAS 37409-33-9), molecular formula C10H13NO3 and molecular weight 195.22 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 2-amino-2-(4-hydroxy-3,5-dimethylphenyl)acetic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 195.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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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