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637858

Sigma-Aldrich

2-Keto-3-(methyl-d3)-butyric acid-1,2,3,4-13C4, 3-d sodium salt

99 atom % 13C, 98 atom % D, ≥99% (CP)

Synonym(s):

α-Keto-3-(methyl-d3)-butyric acid-1,2,3,4-13C4,3-d sodium, α-Ketoisovaleric acid-13C4,d3 sodium salt, 2-Ketoisovaleric acid-13C4,d3 sodium salt, 3-Methyl-d3--2-oxobutanoic acid-13C4,d sodium salt, Sodium α-ketoisovalerate-3-(methyl-d3),1,2,3,4-13C4,3-d sodium salt

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About This Item

Linear Formula:
13CH313CD(CD3)13CO13CO2Na
Molecular Weight:
146.09
MDL number:
MFCD06411303
UNSPSC Code:
12352106
PubChem Substance ID:
24882891
NACRES:
NA.12

isotopic purity

99 atom % 13C
98 atom % D

Quality Level

200

Assay

≥99% (CP)

form

solid

technique(s)

bio NMR: suitable

mp

227-230 °C (lit.)

mass shift

M+8

SMILES string

[Na+].[2H]C([2H])([2H])[13C]([2H])([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/i1D3,2+1,3+1D,4+1,5+1;

InChI key

WIQBZDCJCRFGKA-XCPSOYJTSA-M

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

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Certificates of Analysis (COA)

Lot/Batch Number
MBBB8926V
MBBB8784V
MBBB4642V
EB0273
TA1508V

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Soumya P Behera et al.
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Methyl-NMR enables atomic-resolution studies of structure and dynamics of large proteins in solution. However, resonance assignment remains challenging. The problem is to combine existing structural informational with sparse distance restraints and search for the most compatible assignment among the permutations.

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