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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:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.12

isotopic purity

99 atom % 13C
98 atom % D

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

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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Articles

We presents an informational article concerning biomolecular NMR and the use of Isotope Labeling Methods for Protein Dynamics Studies.

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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