88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) EINECS 289-457-7 Oxonol 595 CAS 88969-31-7

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) EINECS 289-457-7 Oxonol 595.

88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) EINECS 289-457-7 Oxonol 595 (CAS 88969-31-7) is a high-purity analytical reference standard with the molecular formula C21H20N4O4C6H15N and a molecular weight of 493.61 g/mol.

Based on its molecular formula C21H20N4O4C6H15N, 88969-31-7 5-(3-(5-Cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridyl)allylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxopyridine-3-carbonitrile, compound with triethylamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propen-1-ylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) 3-Pyridinecarbonitrile, 5-(3-(5-cyano-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl)-2-propenylidene)-1-ethyl-1,2,5,6-tetrahydro-4-methyl-2,6-dioxo-, compd. with N,N-diethylethanamine (1:1) EINECS 289-457-7 Oxonol 595 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 493.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

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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