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589276

Sigma-Aldrich

2-Ketobutyric acid-4-13C,3,3-d2 sodium salt hydrate

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

Synonym(s):

α-Keto-butyric acid-4-13C,3,3-d2 sodium, α-Ketobutyric acid-4-13C,3,3-d2 sodium salt, 2-Oxobutanoic acid-4-13C,3,3-d2 sodium salt, Sodium α-ketobutyrate-4-13C,3,3-d2

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About This Item

Linear Formula:
13CH3CD2COCO2Na · xH2O
Molecular Weight:
127.08 (anhydrous basis)
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.12

isotopic purity

99 atom % 13C
98 atom % D

Quality Level

Assay

98% (CP)

form

solid

technique(s)

bio NMR: suitable

mp

210 °C (dec.) (lit.)

mass shift

M+3

SMILES string

O.[Na+].[2H]C([2H])([13CH3])C(=O)C([O-])=O

InChI

1S/C4H6O3.Na.H2O/c1-2-3(5)4(6)7;;/h2H2,1H3,(H,6,7);;1H2/q;+1;/p-1/i1+1,2D2;;

InChI key

PVLJVKQSCAHPPR-YHMBTLHJSA-M

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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.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Articles

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

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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