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Key Documents

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198994

Sigma-Aldrich

Sodium 3-methyl-2-oxobutyrate

greener alternative

95%

Sinónimos:

α-Ketoisovaleric acid sodium salt, 2-Keto-3-methylbutyric acid sodium salt, 3-Methyl-2-oxobutanoic acid sodium salt, 3-Methyl-2-oxobutyric acid sodium salt, Ketovaline sodium salt

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About This Item

Fórmula lineal:
(CH3)2CHCOCOONa
Número de CAS:
3715-29-5
Peso molecular:
138.10
Beilstein/REAXYS Number:
4334552
EC Number:
223-062-2
MDL number:
MFCD00002581
UNSPSC Code:
12352100
PubChem Substance ID:
24851887
NACRES:
NA.22

assay

95%

form

solid

greener alternative product score

old score: 14
new score: 9
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greener alternative product characteristics

Waste Prevention
Atom Economy
Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

mp

220-230 °C (dec.) (lit.)

solubility

water: soluble 100 mg/mL, clear, colorless

greener alternative category

, Re-engineered

SMILES string

[Na+].CC(C)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

InChI key

WIQBZDCJCRFGKA-UHFFFAOYSA-M

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Application

Sodium 3-methyl-2-oxobutyrate (3-Methyl-2-oxobutanoic acid sodium salt) was used in the synthesis of (S)-2-hydroxy-3-methylbutanoic acid.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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2-Ketobutyric acid sodium salt hydrate ≥95%

Sigma-Aldrich

464422

2-Ketobutyric acid sodium salt hydrate

An evaluation of the substrate specificity and asymmetric synthesis potential of the cloned L-lactate dehydrogenase from Bacillus stearothermophilus.
Canadian Journal of Chemistry, 67(6), 1065-1070 (1989)
Taro Murakami et al.
Journal of nutritional science and vitaminology, 51(1), 48-50 (2005-05-27)
Branched-chain alpha-keto acid dehydrogenase kinase (BDK) phosphorylates and inactivates the branched-chain alpha-keto acid dehydrogenase complex (BCKDC), which is the rate-limiting enzyme in the branched-chain amino acid catabolism. BDK has been believed to be bound to the BCKDC. However, recent our
Marta de la Plaza et al.
Journal of molecular microbiology and biotechnology, 17(2), 96-100 (2008-11-27)
The alpha-ketoisovalerate decarboxylase (Kivd) is a unique lactococcal key enzyme in the decarboxylation of branched-chain alpha-keto acids derived from branched-chain amino acids transamination into aldehydes. These products are important aroma compounds produced during cheese ripening. In this study, the Kivd
Isabel Ayala et al.
Journal of biomolecular NMR, 43(2), 111-119 (2008-12-31)
A strategy for the introduction of ((1)H,(13)C-methyl)-alanine into perdeuterated proteins is described. Specific protonation of alanine methyl groups to a level of 95% can be achieved by overexpressing proteins in M9/D(2)O based bacterial growth medium supplemented with 800 mg/l of
Frances H A Huisman et al.
Biochemistry, 51(11), 2289-2297 (2012-02-23)
α-Isopropylmalate synthase (α-IPMS) catalyzes the metal-dependent aldol reaction between α-ketoisovalerate (α-KIV) and acetyl-coenzyme A (AcCoA) to give α-isopropylmalate (α-IPM). This reaction is the first committed step in the biosynthesis of leucine in bacteria. α-IPMS is homodimeric, with monomers consisting of
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