C7H10O5
174.15 g/mol
Research ReagentWarning
Diethyl mesoxalate
CAS609-09-6EC210-176-2
Category
Research Reagent
Compound Class
Ester
Primary Use
Research Compound
Diethyl mesoxalate, also known as diethyl oxomalonate, is the diethyl ester of mesoxalic acid. It is a highly reactive electrophile used in pericyclic reactions such as Diels-Alder reactions, cycloadditions, and ene reactions.
reagent in Diels-Alder reactionsreagent in cycloadditionsreagent in ene reactions
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Diethyl 2-oxomalonate hydrate
CAS133318-40-8
research reagent
SimilarStructure SimilarSimilarity 0.75
Diethyl oxalate
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Solvent and chemical intermediate
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Diethyl mesoxalate (CAS 609-09-6) is 2918.30.
HS code (international, 6-digit)
2918.30
EU CN code (8-digit)
2918 30 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
diethyl 2-oxopropanedioate
InChIKey
DBKKFIIYQGGHJO-UHFFFAOYSA-N
SMILES
CCOC(=O)C(=O)C(=O)OCC
Synonyms (22)
- Diethyl 2-oxomalonate
- Diethyl ketomalonate
- Diethyl mesoxalate
- Diethyl oxomalonate
- Diethyl oxopropanedioate
- Ethyl mesoxalate
- Mesoxalic acid, diethyl ester
- Sodium Valproate Impurity 16
- diethyl 2-ketomalonate
- diethyl 2-oxopropanedioate
- diethyl mesoxalate hydrate
- ethyl oxomalonate
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