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75950

Sigma-Aldrich

2-Oxovaleric acid

≥98.0% (T)

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Synonym(s):
α-Ketovaleric acid, 2-Oxopentanoic acid
Linear Formula:
CH3CH2CH2COCOOH
CAS Number:
Molecular Weight:
116.12
Beilstein:
635884
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥98.0% (T)

form

liquid

bp

88-90 °C/12 mmHg (lit.)

mp

7-9 °C (lit.)

density

1.110 g/mL at 20 °C (lit.)

storage temp.

2-8°C

SMILES string

CCCC(=O)C(O)=O

InChI

1S/C5H8O3/c1-2-3-4(6)5(7)8/h2-3H2,1H3,(H,7,8)

InChI key

KDVFRMMRZOCFLS-UHFFFAOYSA-N

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L200978610I4386
2-Oxovaleric acid ≥98.0% (T)

Sigma-Aldrich

75950

2-Oxovaleric acid

Levulinic acid 98%

Sigma-Aldrich

L2009

Levulinic acid

Phenylglyoxylic acid purum, ≥98.0% (T)

Sigma-Aldrich

78610

Phenylglyoxylic acid

Iodoacetic acid ≥98.0% (T)

Sigma-Aldrich

I4386

Iodoacetic acid

form

liquid

form

-

form

crystals

form

powder or flakes

bp

88-90 °C/12 mmHg (lit.)

bp

245-246 °C (lit.)

bp

84 °C/0.1 mmHg

bp

-

mp

7-9 °C (lit.)

mp

30-33 °C (lit.)

mp

62-65 °C (lit.), 63-67 °C

mp

77-79 °C (lit.)

density

1.110 g/mL at 20 °C (lit.)

density

1.134 g/mL at 25 °C (lit.)

density

-

density

-

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

−20°C

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

201.2 °F - closed cup

Flash Point(C)

94 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Threonine 246 is an active site residue that is conserved in all known L-lactate dehydrogenase (LDH; EC 1.1.1.27) sequences. In order to investigate the role of Thr246 in Bacillus stearothermophilus LDH, this residue was altered by site-directed mutagenesis to valine

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