Cambridge Isotope Laboratories

a-Ketobutyric acid, sodium salt (13C4, 98%)

CLM-6164-PK
α-ketobutyric acid, sodium salt (13C4, 98%) is a short-chain keto acid and a precursor for making isoleucine. It is commonly used for methyl-labeling in NMR-based applications.
Item No.
CLM-6164-PK
CAS Number (labeled)
2483736-24-7
CAS Number (unlabeled)
2013-26-5
Formula
*CH3*CH2*CO*COONa
Molecular Weight
128.04
Isotopic enrichment
98%-98.9%
Chemical purity
98%
Product form
Individual
Grade
Research

Package size

Out of stock

Overview

α-ketobutyric acid, sodium salt (13C4, 98%) is a short-chain keto acid and a precursor for making isoleucine. It is commonly used for methyl-labeling in NMR-based applications.

Properties

Properties

Isotope label 13C
Label type Uniformly
Isotopic enrichment 98%-98.9%
Grade Research
Chemical purity 98%
Molecular formula *CH3*CH2*CO*COONa
Molecular weight 128.04
Molecular weight range 101-200 g/mol
CAS number 2483736-24-7
CAS number (unlabeled) 2013-26-5
EC number 217-937-8 (Unlabeled)
Synonyms 2-Ketobutanoic acid sodium salt; 2-Oxobutyric acid, sodium salt; a-Ketobutyrate sodium salt
Product form Individual
Presentation Neat
Storage conditions Store in freezer (-20°C). Protect from light.
Applications Biomolecular NMR; Metabolism; Metabolomics; MS/MS Standards

Safety information

Signal word Warning
GHS pictograms GHS07
Hazard statements Causes skin irritation., Causes serious eye irritation., May cause respiratory irritation.

ERP data

F&O item number CLM-6164-PK
F&O product number CLM-6164-PK
Package-size master (AVA) Yes
Visible in webshop (Sana flag) Yes
Webstore name (Sana) α-Ketobutyric acid, sodium salt (¹³C₄, 98%)
Item model group STD-FG MTO
Product group FG PK
Sales unit g
Hazardous (CMX) No
HTS code (US) 2845.90.0100
ECCN EAR99
Quote only Yes
SDS available Yes
Last synced from F&O 2026-09-18T18:08:41Z

Documents

Safety information

Irritant / harmful

WARNING

  • Causes skin irritation., Causes serious eye irritation., May cause respiratory irritation.