(4-Oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl 2H-chromene-3-carboxylate CAS 1090776-34-3

Description

Compared with other compounds in its class, the molecular weight of 334.33 g/mol gives (4-Oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl 2H-chromene-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(4-Oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl 2H-chromene-3-carboxylate (CAS 1090776-34-3) is a high-purity analytical reference standard with the molecular formula C19H14N2O4 and a molecular weight of 334.33 g/mol.

Structurally, (4-Oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl 2H-chromene-3-carboxylate (C19H14N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 334.33 g/mol, it falls into the moderately-high-molecular-weight range. 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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