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198994

Sigma-Aldrich

Sodium 3-methyl-2-oxobutyrate

greener alternative

95%

Synonym(s):

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

Linear Formula:
(CH3)2CHCOCOONa
CAS Number:
3715-29-5
Molecular Weight:
138.10
Beilstein:
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
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sustainability

Greener Alternative Product

mp

220-230 °C (dec.) (lit.)

solubility

water: soluble 100 mg/mL, clear, colorless

functional group

ketone

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 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
0000337178
0000323949
0000300198
0000231863
0000243288

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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)
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
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
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
Joachim Schuster et al.
Plant molecular biology, 57(2), 241-254 (2005-04-12)
Plants are capable to de novo synthesize the essential amino acids leucine, isoleucine and valine. Studies in recent years, however, also revealed that plants have the potential to degrade leucine or may be all of the branched-chain amino acids. One
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