(2R,3R)-2,3-Bis(acetyloxy)butanedioic acid CAS 51591-38-9

Purity 97%+In StockPharmaceutical Standards
CAS No.51591-38-9
Molecular FormulaC8H10O8
Molecular Weight234.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2R,3R)-2,3-Bis(acetyloxy)butanedioic acid CAS 51591-38-9 chemical structure

Description

The occurrence of (2R,3R)-2,3-Bis(acetyloxy)butanedioic acid is closely related to a carbohydrate-derived structure in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(2R,3R)-2,3-Bis(acetyloxy)butanedioic acid (CAS 51591-38-9) is a high-purity analytical reference standard with the molecular formula C8H10O8 and a molecular weight of 234.16 g/mol.

Structurally, (2R,3R)-2,3-Bis(acetyloxy)butanedioic acid (C8H10O8) contains a carbohydrate-derived structure. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 234.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 FormulaC8H10O8
Molecular Weight234.16 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1971

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