663980

Sigma-Aldrich

2-Keto-3-methylbutyric acid-13C5 sodium salt

99 atom % 13C

Synonym(s):
Sodium α-ketoisovalerate-13C5, α-Keto-3-methylbutyric acid-13C5 sodium, α-Ketoisovaleric acid-13C5 sodium salt, 3-Methyl-2-oxobutanoic acid-13C5 sodium salt, 2-Ketoisovaleric acid-13C5 sodium salt
Linear Formula:
13CH313CH(13CH3)13CO13CO2Na
CAS Number:
Molecular Weight:
143.06
MDL number:
PubChem Substance ID:
NACRES:
NA.12
Pricing and availability is not currently available.

Quality Level

isotopic purity

99 atom % 13C

application(s)

bio NMR: suitable

mp

227-230 °C

mass shift

M+5

SMILES string

[Na+].[13CH3][13CH]([13CH3])[13C](=O)[13C]([O-])=O

InChI

1S/C5H8O3.Na/c1-3(2)4(6)5(7)8;/h3H,1-2H3,(H,7,8);/q;+1/p-1/i1+1,2+1,3+1,4+1,5+1;

InChI key

WIQBZDCJCRFGKA-JFGXUQBHSA-M

Related Categories

Packaging

250 mg in glass bottle
This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Precautionary Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Hazard Codes

Xn

Risk Statement

22-37/38-41

Safety Statement

26-36/37/39

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Articles
We presents an informational article concerning biomolecular NMR and the use of Isotope Labeling Methods for Protein Dynamics Studies.
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Presenting an article about the selective protonation of methyl groups in highly deuterated proteins. In which the structural NMR studies of small proteins, a maximum number of proton chemical shifts are usually assigned and NOEs connecting large numbers of sites are subsequently quantified in terms of distance restraints that are then used to obtain an ensemble of structures.
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