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589063

Sigma-Aldrich

2-Keto-(3-methyl-13C)-butyric-4-13C,3-d acid sodium salt

98 atom % D, 99 atom % 13C, 97% (CP)

Synonym(s):

α-Keto-(3-methyl-13C)-butyric-4-13C,3-d acid sodium, α-Ketoisovaleric-(3-methyl-13C),4-13C-3-d acid sodium salt, 2-Ketoisovaleric-(3-methyl-13C),4-13C,3-d acid sodium salt, 3-Methyl-13C-2-oxobutanoic-4-13C,d acid sodium salt, Sodium α-ketoisovalerate-(3-methyl-13C),4-13C,3-d

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About This Item

Linear Formula:
13CH3CD(13CH3)COCO2Na
CAS Number:
Molecular Weight:
141.09
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.12

isotopic purity

99 atom % 13C
98 atom % D

Quality Level

Assay

97% (CP)

form

solid

technique(s)

bio NMR: suitable

mp

227-230 °C (lit.)

mass shift

M+3

SMILES string

[Na+].[2H]C([13CH3])([13CH3])C(=O)C([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+1,3D;

InChI key

WIQBZDCJCRFGKA-VQUYYKNDSA-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)

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Articles

Sigma-Aldrich presents 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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