5-(5-Morpholino-2-nitrophenyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile CAS 866018-59-9

Description

5-(5-Morpholino-2-nitrophenyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 866018-59-9) is a high-purity analytical reference standard with the molecular formula C17H14N6O3 and a molecular weight of 350.33 g/mol.

The molecular framework of 5-(5-Morpholino-2-nitrophenyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile (C17H14N6O3) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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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