3,4-Dihydro-4-hydroxy-1(2H)-pyridinecarboxylic Acid Ethyl Ester CAS 89690-65-3

Description

The occurrence of 3,4-Dihydro-4-hydroxy-1(2H)-pyridinecarboxylic Acid Ethyl Ester is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3,4-Dihydro-4-hydroxy-1(2H)-pyridinecarboxylic Acid Ethyl Ester (CAS 89690-65-3), molecular formula C8H13NO3 and molecular weight 171.19 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3,4-Dihydro-4-hydroxy-1(2H)-pyridinecarboxylic Acid Ethyl Ester (C8H13NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 171.19 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.

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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