Cambridge Isotope Laboratories

a-Ketobutyric acid, sodium salt (methyl-13C, 99%; 3,3-D2, 98%)

CDLM-7318-PK
Alpha-ketobutyric acid, sodium salt 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.
CDLM-7318-PK
CAS Number (labeled)
1189500-69-3
CAS Number (unlabeled)
2013-26-5
Formula
*CH3CD2COCOONa
Molecular Weight
127.08
Isotopic enrichment
99%-99.9%
Chemical purity
98%
Product form
Individual
Grade
Research

Package size

Out of stock

Overview

Alpha-ketobutyric acid, sodium salt is a short-chain keto acid and a precursor for making isoleucine. It is commonly used for methyl-labeling in NMR-based applications.

This item requires an export license when the destination country is CN (+Hong Kong),BY, IR, IL, LB, MO, PK, RU VE.

Properties

Properties

Isotope label 13C, D
Label type Partially
Isotopic enrichment 99%-99.9%
Grade Research
Chemical purity 98%
Molecular formula *CH3CD2COCOONa
Molecular weight 127.08
Molecular weight range 101-200 g/mol
CAS number 1189500-69-3
CAS number (unlabeled) 2013-26-5
EC number 217-937-8
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; Synthetic Intermediates

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 CDLM-7318-PK
F&O product number CDLM-7318-PK
Package-size master (AVA) Yes
Visible in webshop (Sana flag) Yes
Webstore name (Sana) α-Ketobutyric acid, sodium salt (methyl-¹³C, 99%; 3,3-D₂, 98%)
Item model group STD-FG MTO
Product group FG PK
Sales unit g
Hazardous (CMX) No
Storage condition Store in freezer (-20°C). Protect from light.
HTS code (US) 2845.90.0100
ECCN 1C298.b
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