1,7-Diazaspiro[4.4]nonane-7-carboxylic acid, 1-(phenylmethyl)-, 1,1-dimethylethyl ester CAS 646055-62-1

Description

The occurrence of 1,7-Diazaspiro[4.4]nonane-7-carboxylic acid, 1-(phenylmethyl)-, 1,1-dimethylethyl ester is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1,7-Diazaspiro[4.4]nonane-7-carboxylic acid, 1-(phenylmethyl)-, 1,1-dimethylethyl ester (CAS 646055-62-1), molecular formula C19H28N2O2 and molecular weight 316.44 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1,7-Diazaspiro[4.4]nonane-7-carboxylic acid, 1-(phenylmethyl)-, 1,1-dimethylethyl ester (C19H28N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 316.44 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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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