5-Hydroxy-N-methyl-2-pyrrolidinone CAS 41194-00-7

Purity >95%In StockPharmaceutical Standards
CAS No.41194-00-7
Molecular FormulaC5H9NO2
Molecular Weight115.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Hydroxy-N-methyl-2-pyrrolidinone CAS 41194-00-7 chemical structure

Description

5-Hydroxy-N-methyl-2-pyrrolidinone (CAS 41194-00-7) is a high-purity analytical reference standard with the molecular formula C5H9NO2 and a molecular weight of 115.13 g/mol.

Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 5-Hydroxy-N-methyl-2-pyrrolidinone is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 115.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

CATO manufactures 5-Hydroxy-N-methyl-2-pyrrolidinone under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC5H9NO2
Molecular Weight115.13 g/mol
Purity>95%
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.)1968
Nitrogen Atoms1

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