Benzyl 4-(2-methoxy-2-oxoethylidene)piperidine-1-carboxylate CAS 40112-93-4

Purity 97%+In StockPharmaceutical Standards
CAS No.40112-93-4
Molecular FormulaC16H19NO4
Molecular Weight289.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Benzyl 4-(2-methoxy-2-oxoethylidene)piperidine-1-carboxylate CAS 40112-93-4 chemical structure

Description

The occurrence of Benzyl 4-(2-methoxy-2-oxoethylidene)piperidine-1-carboxylate is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Benzyl 4-(2-methoxy-2-oxoethylidene)piperidine-1-carboxylate (CAS 40112-93-4) is a high-purity analytical reference standard with the molecular formula C16H19NO4 and a molecular weight of 289.33 g/mol.

The molecular framework of Benzyl 4-(2-methoxy-2-oxoethylidene)piperidine-1-carboxylate (C16H19NO4) is characterized by a flavonoid 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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

Molecular FormulaC16H19NO4
Molecular Weight289.33 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968
Nitrogen Atoms1

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