(4S,5S)-4-hydroxy-5-methylpyrrolidin-2-one CAS 151004-19-2

Purity 97%+In StockPharmaceutical Standards
CAS No.151004-19-2
Molecular FormulaC5H9NO2
Molecular Weight115.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4S,5S)-4-hydroxy-5-methylpyrrolidin-2-one CAS 151004-19-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 115.13 g/mol gives (4S,5S)-4-hydroxy-5-methylpyrrolidin-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (4S,5S)-4-hydroxy-5-methylpyrrolidin-2-one (CAS 151004-19-2), a certified reference material (molecular formula C5H9NO2, MW 115.13 g/mol) for analytical method development and quality control.

Structurally, (4S,5S)-4-hydroxy-5-methylpyrrolidin-2-one (C5H9NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 115.13 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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 FormulaC5H9NO2
Molecular Weight115.13 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.)2000
Nitrogen Atoms1

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