Ethyl 3-morpholino-7,10-dioxo-9,10-dihydro-7H-benzo[de]pyrazolo[5,1-a]isoquinoline-11-carboxylate CAS 68399-98-4

Description

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.

Ethyl 3-morpholino-7,10-dioxo-9,10-dihydro-7H-benzo[de]pyrazolo[5,1-a]isoquinoline-11-carboxylate (CAS 68399-98-4), molecular formula C21H19N3O5 and molecular weight 393.39 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Ethyl 3-morpholino-7,10-dioxo-9,10-dihydro-7H-benzo[de]pyrazolo[5,1-a]isoquinoline-11-carboxylate (C21H19N3O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 393.39 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).

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.

Physical & Chemical Properties

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