2-Ketobutyric acid-4-<SUP>13</SUP>C sodium salt hydrate CAS 634908-43-3

Purity 97%+In StockPharmaceutical Standards
CAS No.634908-43-3
Molecular FormulaC3[13C]H5O3 Na H2O
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Ketobutyric acid-4-<SUP>13</SUP>C sodium salt hydrate CAS 634908-43-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 142.09 g/mol gives 2-Ketobutyric acid-4-<SUP>13</SUP>C sodium salt hydrate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Ketobutyric acid-4-<SUP>13</SUP>C sodium salt hydrate (CAS 634908-43-3) is a high-purity analytical reference standard with the molecular formula C3[13C]H5O3 Na H2O and a molecular weight of 142.09 g/mol.

The molecular framework of 2-Ketobutyric acid-4-<SUP>13</SUP>C sodium salt hydrate (C3[13C]H5O3 Na H2O) is characterized by a carbohydrate-derived structure. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.

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 FormulaC3[13C]H5O3 Na H2O
Molecular Weight142.09 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)1.5
CAS Registry Year (est.)1985

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