N-Cyclohexyl-2-methyl-3-oxobutanamide CAS 90460-54-1

Description

Compared with other compounds in its class, the molecular weight of 197.27 g/mol gives N-Cyclohexyl-2-methyl-3-oxobutanamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N-Cyclohexyl-2-methyl-3-oxobutanamide (CAS 90460-54-1), molecular formula C11H19NO2 and molecular weight 197.27 g/mol, is a CATO reference standard with documented purity and traceability.

N-Cyclohexyl-2-methyl-3-oxobutanamide (C11H19NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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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