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663980

Sigma-Aldrich

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

99 atom % 13C

Synonym(s):

α-Keto-3-methylbutyric acid-13C5 sodium, α-Ketoisovaleric acid-13C5 sodium salt, 2-Ketoisovaleric acid-13C5 sodium salt, 3-Methyl-2-oxobutanoic acid-13C5 sodium salt, Sodium α-ketoisovalerate-13C5

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About This Item

Linear Formula:
13CH313CH(13CH3)13CO13CO2Na
CAS Number:
Molecular Weight:
143.06
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.12

isotopic purity

99 atom % 13C

Quality Level

form

solid

technique(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

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.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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