n-(2,3-Dihydro-1h-inden-5-yl)-2-(2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide CAS 791086-46-9

Description

The molecular framework of n-(2,3-Dihydro-1h-inden-5-yl)-2-(2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide (C19H23N3O3) 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).

n-(2,3-Dihydro-1h-inden-5-yl)-2-(2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide (CAS 791086-46-9), molecular formula C19H23N3O3 and molecular weight 341.40 g/mol, is a CATO reference standard with documented purity and traceability.

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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