Ethyl 6-amino-5-cyano-4-(2,5-dimethoxyphenyl)-2-methyl-4H-pyran-3-carboxylate CAS 296246-40-7

Description

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.

Ethyl 6-amino-5-cyano-4-(2,5-dimethoxyphenyl)-2-methyl-4H-pyran-3-carboxylate (CAS 296246-40-7) is a high-purity analytical reference standard with the molecular formula C18H20N2O5 and a molecular weight of 344.36 g/mol.

Structurally, Ethyl 6-amino-5-cyano-4-(2,5-dimethoxyphenyl)-2-methyl-4H-pyran-3-carboxylate (C18H20N2O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 344.36 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).

As a certified reference material (CRM), Ethyl 6-amino-5-cyano-4-(2,5-dimethoxyphenyl)-2-methyl-4H-pyran-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

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