2-Keto-3-(methyl-<SUP>13</SUP>C)-butyric-4-<SUP>13</SUP>C acid sodium salt CAS 634908-42-2

Purity 97%+In StockPharmaceutical Standards
CAS No.634908-42-2
Molecular FormulaC3[13C]2H7O3 Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Keto-3-(methyl-<SUP>13</SUP>C)-butyric-4-<SUP>13</SUP>C acid sodium salt CAS 634908-42-2 chemical structure

Description

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.

2-Keto-3-(methyl-<SUP>13</SUP>C)-butyric-4-<SUP>13</SUP>C acid sodium salt (CAS 634908-42-2), molecular formula C3[13C]2H7O3 Na and molecular weight 126.09 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 2-Keto-3-(methyl-<SUP>13</SUP>C)-butyric-4-<SUP>13</SUP>C acid sodium salt is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 126.09 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

CATO manufactures 2-Keto-3-(methyl-<SUP>13</SUP>C)-butyric-4-<SUP>13</SUP>C acid sodium salt 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 FormulaC3[13C]2H7O3 Na
Molecular Weight126.09 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

Recommended Standards

Why CATO?