Diethyl mesoxalate

• CAT Number: L023613
• CAS Number: 609-09-6
• Molecular Formula: C7H10O5
• Molecular Weight: 174.15
• Purity: ≥95%
• IUPAC Name: diethyl 2-oxopropanedioate
• InChI: InChI=1S/C7H10O5/c1-3-11-6(9)5(8)7(10)12-4-2/h3-4H2,1-2H3
• InChIKey: DBKKFIIYQGGHJO-UHFFFAOYSA-N
• SMILES: CCOC(=O)C(=O)C(=O)OCC

Diethyl mesoxalate（Cat No.:L023613）is an organic compound with the formula (EtOOC)₂C(OH)₂, consisting of two ethyl ester groups and a central geminal diol (hydrate) of mesoxalic acid. It is a colorless, crystalline solid or viscous liquid commonly used as a versatile reagent in organic synthesis. Diethyl mesoxalate serves as a building block for heterocycles, pharmaceuticals, and fine chemicals due to its electrophilic carbon center and dual ester functionality. It participates in condensation, cyclization, and nucleophilic addition reactions, making it valuable in the formation of complex molecular frameworks and advanced synthetic intermediates.