4-ethyl-4-methylpyrrolidin-2-one CAS 209265-55-4

Purity 97%+In StockPharmaceutical Standards
CAS No.209265-55-4
Molecular FormulaC7H13NO
Molecular Weight127.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-ethyl-4-methylpyrrolidin-2-one CAS 209265-55-4 chemical structure

Description

4-ethyl-4-methylpyrrolidin-2-one (C7H13NO) contains an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

4-ethyl-4-methylpyrrolidin-2-one (CAS 209265-55-4) is a high-purity analytical reference standard with the molecular formula C7H13NO and a molecular weight of 127.18 g/mol.

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 FormulaC7H13NO
Molecular Weight127.18 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)2016
Nitrogen Atoms1

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