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Merck
CN

K401

2-Ketobutyric acid

97%

Synonym(s):

2-Oxobutanoic acid, 2-Oxobutyric acid, α-Ketobutyric acid, Propionylformic acid

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About This Item

Linear Formula:
CH3CH2COCOOH
CAS Number:
600-18-0
Molecular Weight:
102.09
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24896237
EC Number:
209-986-9
Beilstein/REAXYS Number:
1700514
MDL number:
MFCD00004164

Key Documents

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Product Name

2-Ketobutyric acid, 97%

InChI key

TYEYBOSBBBHJIV-UHFFFAOYSA-N

InChI

1S/C4H6O3/c1-2-3(5)4(6)7/h2H2,1H3,(H,6,7)

SMILES string

CCC(=O)C(O)=O

assay

97%

form

liquid

bp

84 °C/20 mmHg (lit.)

mp

30-34 °C (lit.)

storage temp.

2-8°C

Quality Level

100

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Application

2-Ketobutyric acid can be used as a reactant to synthesize:
  • (S)-2-Aminobutyric acid via enzyme-catalyzed amination reaction.
  • L-Isoleucine by living cell reaction in the presence of ethanol.
  • 3-Ethyl-2-quinoxalinol from 1,2-diaminobenzene in the presence of sulfuric acid.
  • 3-Ethylbenzo[g]quinoxalin-2(1H)-one using 2,3-diaminonaphthalene in the presence of biocatalyst.

General description

2-Ketobutyric acid, also known as alpha-ketobutyrateor 2-oxobutyrate, belongs to the category of short-chain keto acids andderivatives with alkyl chains containing less than 6 carbon atoms.

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

179.6 °F - closed cup

flash_point_c

82 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP0552
WXBF7092V
BCCN1382
BCCM9057
WXBF5150V

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Synthesis of potential chemotherapic quinoxalinone derivatives by biocatalysis or microwave-assisted Hinsberg reaction
Gris J, et al.
Tetrahedron Letters, 49, 1053-1056 (2008)
Fabrication of a microcapsule extinguishing agent with a core-shell structure for lithium-ion battery fire safety
Zhang W, et al.
Materials Advances, 2, 4634-4642 (2021)
Biorefinery applications of Corynebacterium glutamicum
Jojima T, et al.
Corynebacterium glutamicum, 149-172 (2013)
Synthesis of 2-(Quinoxalin-2-ylamino-benzotriazolyl) Pentanedioic Derivatives as Potential Anti-Folate Agents
Briguglio I, et al.
Journal of Heterocyclic Chemistry, 53, 1721-1737 (2016)
Nora Weber et al.
Microbial cell factories, 16(1), 51-51 (2017-03-25)
Saccharomyces cerevisiae (baker's yeast) has great potential as a whole-cell biocatalyst for multistep synthesis of various organic molecules. To date, however, few examples exist in the literature of the successful biosynthetic production of chemical compounds, in yeast, that do not
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