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137766

Sigma-Aldrich

Diethyl oxalpropionate

≥95%

Synonym(s):
Diethyl 2-methyl-3-oxosuccinate, Methyloxo-butanedioic acid diethyl ester, NSC 33946
Linear Formula:
C2H5OCOCH(CH3)COCOOC2H5
CAS Number:
Molecular Weight:
202.20
Beilstein:
1783697
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥95%

form

liquid

refractive index

n20/D 1.432 (lit.)

bp

138 °C/23 mmHg (lit.)

density

1.073 g/mL at 25 °C (lit.)

SMILES string

CCOC(=O)C(C)C(=O)C(=O)OCC

InChI

1S/C9H14O5/c1-4-13-8(11)6(3)7(10)9(12)14-5-2/h6H,4-5H2,1-3H3

InChI key

OQOCQBJWOCRPQY-UHFFFAOYSA-N

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414476D99005232483
Diethyl 4-oxopimelate 98%

Sigma-Aldrich

D99005

Diethyl 4-oxopimelate

Diethyl 3-oxopimelate

Sigma-Aldrich

232483

Diethyl 3-oxopimelate

assay

≥95%

assay

90%

assay

98%

assay

-

form

liquid

form

liquid

form

liquid

form

liquid

refractive index

n20/D 1.432 (lit.)

refractive index

n20/D 1.411 (lit.)

refractive index

n20/D 1.441 (lit.)

refractive index

n20/D 1.447 (lit.)

bp

138 °C/23 mmHg (lit.)

bp

92-93 °C/13 mmHg (lit.)

bp

-

bp

130-132 °C/0.5 mmHg (lit.)

density

1.073 g/mL at 25 °C (lit.)

density

0.978 g/mL at 25 °C (lit.)

density

1.073 g/mL at 25 °C (lit.)

density

1.084 g/mL at 25 °C (lit.)

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

Application

Diethyl oxalpropionate was used in the synthesis of 2-hydroxy-3-methylsuccinic acid. It was used as starting reagent in the synthesis of racemic 4-alkyloxycarbonyl-3,3-dimethyl-2-oxetanones and 4-quinolinone 2-carboxylic acid.
Reactant involved in:
  • Synthesis of anticancer and antiviral agents
  • Oxidation by organohypervalent iodine reagent
  • Synthesis of monomers for preparation of functional polyesters
  • Synthesis of calpain inhibitors
  • Preparation of human A2A receptor antagonists
  • Structural studies of dihydropteroate synthase inhibitors

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

206.6 °F - closed cup

Flash Point(C)

97 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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