C8H6O2
134.13 g/mol
Industrial ChemicalWarning
2(3H)-Benzofuranone
CAS553-86-6EC209-052-0
Category
Industrial Chemical
Compound Class
Ester
Primary Use
chemical intermediate for synthesis
2(3H)-Benzofuranone is an organic compound used primarily as a chemical intermediate in synthesis. It features a fused ring structure containing an ester and an ether functional group, contributing to its utility in industrial chemical production.
chemical intermediate for organic synthesisbuilding block in pharmaceutical manufacturing
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
ReferenceSame Category
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Dimethyl ester of oxalic acid intermediate
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Lithium salt for industrial applications
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2-methyl-1,4-benzoquinone
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Chemical intermediate and research compound
ReferenceSame Category
Carbamodithioic acid, bis(phenylmethyl)-, sodium salt
CAS55310-46-8
Rubber chemical accelerator
Safety Reference
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 2(3H)-Benzofuranone (CAS 553-86-6) 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
3H-1-benzofuran-2-one
InChIKey
ACZGCWSMSTYWDQ-UHFFFAOYSA-N
SMILES
C1C2=CC=CC=C2OC1=O
Synonyms (21)
- (3H)-Benzofuran-2-one
- 1-Benzofuran-2(3H)-one
- 2(3H)-Benzofuranone
- 2,3-dihydro-2-benzofuranone
- 2,3-dihydrobenzofuran-2-one
- 2-Benzofuranone
- 2-COUMARONE
- 2-Coumaranone
- 2-Coumarotioiie
- 3-hydrobenzo[b]furan-2-one
- 3H-1-benzofuran-2-one
- BENZO(B)FURAN-2(3H)-ONE
- Benzofuran-2(3H)-one
- Benzofuranone
- Isocoumaranone
- Isophthalide
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