5-(3-(5-Cyano-1-ethyl-4-methyl-2,6-dioxo-1,6-dihydropyridin-3(2H)-ylidene)prop-1-en-1-yl)-1-ethyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile CAS 28172-08-9

Description

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

5-(3-(5-Cyano-1-ethyl-4-methyl-2,6-dioxo-1,6-dihydropyridin-3(2H)-ylidene)prop-1-en-1-yl)-1-ethyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 28172-08-9) is a high-purity analytical reference standard with the molecular formula C21H24N4O2 and a molecular weight of 364.44 g/mol.

Structurally, 5-(3-(5-Cyano-1-ethyl-4-methyl-2,6-dioxo-1,6-dihydropyridin-3(2H)-ylidene)prop-1-en-1-yl)-1-ethyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (C21H24N4O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 364.44 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).

CATO manufactures 5-(3-(5-Cyano-1-ethyl-4-methyl-2,6-dioxo-1,6-dihydropyridin-3(2H)-ylidene)prop-1-en-1-yl)-1-ethyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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