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Sigma-Aldrich

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
Beilstein/REAXYS Number:
1700514
EC Number:
209-986-9
MDL number:
MFCD00004164
UNSPSC Code:
12352100
PubChem Substance ID:
24896237
NACRES:
NA.22

assay

97%

form

liquid

bp

84 °C/20 mmHg (lit.)

mp

30-34 °C (lit.)

storage temp.

2-8°C

SMILES string

CCC(=O)C(O)=O

InChI

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

InChI key

TYEYBOSBBBHJIV-UHFFFAOYSA-N

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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.

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pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Gris J, et al.
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Synthesis of 2-(Quinoxalin-2-ylamino-benzotriazolyl) Pentanedioic Derivatives as Potential Anti-Folate Agents
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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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