4-Methyl-2-oxovaleric acid-<SUP>13</SUP>C<SUB>6</SUB> sodium salt CAS 944271-87-8

Purity 97%+In StockPharmaceutical Standards
CAS No.944271-87-8
Molecular Formula[13C]6H9NaO3
Molecular Weight158.08 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methyl-2-oxovaleric acid-<SUP>13</SUP>C<SUB>6</SUB> sodium salt CAS 944271-87-8 chemical structure

Description

4-Methyl-2-oxovaleric acid-<SUP>13</SUP>C<SUB>6</SUB> sodium salt (CAS 944271-87-8), molecular formula [13C]6H9NaO3 and molecular weight 158.08 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an organic framework, 4-Methyl-2-oxovaleric acid-<SUP>13</SUP>C<SUB>6</SUB> sodium salt is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 158.08 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

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 Formula[13C]6H9NaO3
Molecular Weight158.08 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)-2.5
CAS Registry Year (est.)1987

Recommended Standards

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