rel-(4S,5R)-4-Hydroxy-5-(hydroxymethyl)dihydrofuran-2(3H)-one CAS 73209-20-8

Purity 97%+In StockPharmaceutical Standards
CAS No.73209-20-8
Molecular FormulaC5H8O4
Molecular Weight132.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

rel-(4S,5R)-4-Hydroxy-5-(hydroxymethyl)dihydrofuran-2(3H)-one CAS 73209-20-8 chemical structure

Description

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.

rel-(4S,5R)-4-Hydroxy-5-(hydroxymethyl)dihydrofuran-2(3H)-one (CAS 73209-20-8), molecular formula C5H8O4 and molecular weight 132.11 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C5H8O4, rel-(4S,5R)-4-Hydroxy-5-(hydroxymethyl)dihydrofuran-2(3H)-one contains a carbohydrate-derived structure; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 132.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

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.

Physical & Chemical Properties

Molecular FormulaC5H8O4
Molecular Weight132.11 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1977

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