(E)-4-(3-nitrophenylamino)-4-oxobut-2-enoic acid 36847-90-2 4-(3-Nitroanilino)-4-oxobut-2-enoic acid CAS 36847-90-2

Description

Compared with other compounds in its class, the molecular weight of 236.18 g/mol gives (E)-4-(3-nitrophenylamino)-4-oxobut-2-enoic acid 36847-90-2 4-(3-Nitroanilino)-4-oxobut-2-enoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(E)-4-(3-nitrophenylamino)-4-oxobut-2-enoic acid 36847-90-2 4-(3-Nitroanilino)-4-oxobut-2-enoic acid (CAS 36847-90-2) is a high-purity analytical reference standard with the molecular formula C10H8N2O5 and a molecular weight of 236.18 g/mol.

(E)-4-(3-nitrophenylamino)-4-oxobut-2-enoic acid 36847-90-2 4-(3-Nitroanilino)-4-oxobut-2-enoic acid (C10H8N2O5) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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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