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Merck

571334

Sigma-Aldrich

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

99 atom % 13C, 97% (CP)

别名:

Sodium α-ketoisovalerate-3-(methyl-13C),4-13C

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About This Item

线性分子式:
13CH3CH(13CH3)COCO2Na
分子量:
140.08
MDL號碼:
分類程式碼代碼:
12352106
PubChem物質ID:
NACRES:
NA.12

同位素純度

99 atom % 13C

品質等級

化驗

97% (CP)

形狀

solid

技術

bio NMR: suitable

mp

227-230 °C (lit.)

質量偏移

M+2

SMILES 字串

[Na+].[13CH3]C([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;

InChI 密鑰

WIQBZDCJCRFGKA-AWQJXPNKSA-M

包裝

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.

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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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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