(S)-2,3-Dihydroxy-3-methylbutanoic acid CAS 63903-90-2

Purity 97%+In StockPharmaceutical Standards
CAS No.63903-90-2
Molecular FormulaC5H10O4
Molecular Weight134.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(S)-2,3-Dihydroxy-3-methylbutanoic acid CAS 63903-90-2 chemical structure

Description

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

(S)-2,3-Dihydroxy-3-methylbutanoic acid (CAS 63903-90-2), molecular formula C5H10O4 and molecular weight 134.13 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C5H10O4, (S)-2,3-Dihydroxy-3-methylbutanoic acid contains a carbohydrate-derived structure; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 134.13 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.

CATO manufactures (S)-2,3-Dihydroxy-3-methylbutanoic acid 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 FormulaC5H10O4
Molecular Weight134.13 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)1.0
CAS Registry Year (est.)1975

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