C6H4O4
140.09 g/mol
Research ReagentWarning
Coumalic acid
CAS500-05-0EC207-899-0
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
Coumalic acid is an organic compound that serves as a research compound. It is characterized by a carboxylic acid group attached to a heterocyclic ring structure, with a melting point around 210 °C.
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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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Coumalic acid (CAS 500-05-0) is 2932.20.
HS code (international, 6-digit)
2932.20
EU CN code (8-digit)
2932 20 90
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
6-oxopyran-3-carboxylic acid
InChIKey
ORGPJDKNYMVLFL-UHFFFAOYSA-N
SMILES
C1=CC(=O)OC=C1C(=O)O
Synonyms (14)
- 2-Oxopyran-5-carboxylic acid
- 2-Pyrone-5-carboxylic acid
- 6-oxopyran-3-carboxylic acid
- Coumalic acid
- Cumalic acid
- cumaric acid
Sourcing Coumalic acid?
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