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Home/Compounds/Industrial Chemical/Cyclooctatetraene
C8H8
104.15 g/mol
Industrial Chemical

Cyclooctatetraene

CAS629-20-9EC211-080-3
Category
Industrial Chemical
Compound Class
Other
Primary Use
Chemical intermediate and research compound

Cyclooctatetraene is an antiaromatic annulene consisting of a cyclooctane ring with four alternating double bonds. It is primarily used as a chemical intermediate and research compound in organic chemistry.

chemical intermediateresearch compound

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

Regulatory Compliance1
  • CN Catalogue of Hazardous ChemicalsCNRegulation
    Listed· listed since 2015-05-01Source

Customs Tariff Classification

The international HS code for Cyclooctatetraene (CAS 629-20-9) is 2902.19.

HS code (international, 6-digit)

2902.19

EU CN code (8-digit)

2902 19 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

cyclooctatetraene

InChIKey

KDUIUFJBNGTBMD-DLMDZQPMSA-N

SMILES

C\1=C\C=C/C=C\C=C1

Synonyms (10)
  • COT
  • 1,3,5,7-CYCLOOCTATETRAENE
  • 1,5,7-Cyclooctatetraene
  • Cyclooctatetraene
  • [8]Annulene
  • cycloocta-1,3,5,7-tetraene

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