C7H8
92.14 g/mol
Pharmaceutical IntermediateDanger
Cycloheptatriene
CAS544-25-2EC208-866-3
Category
Pharmaceutical Intermediate
Compound Class
Other
Primary Use
Pharmaceutical Intermediate
Cycloheptatriene is a colorless organic compound consisting of a seven-membered carbon ring with alternating double and single bonds. It has been of recurring theoretical interest in organic chemistry and is supplied as a pharmaceutical intermediate.
pharmaceutical intermediate
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
StrongStructure SimilarSimilarity 0.89
Cyclopentadiene
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Diene in Diels-Alder reactions
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
N-(5-chloro-2-nitrophenyl)acetamide
CAS5443-33-4
pharmaceutical intermediate
Safety Reference
Danger
H225Highly flammable liquid and vapour
H301Toxic if swallowed
H304May be fatal if swallowed and enters airways
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Cycloheptatriene (CAS 544-25-2) 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
cyclohepta-1,3,5-triene
InChIKey
CHVJITGCYZJHLR-UHFFFAOYSA-N
SMILES
C1C=CC=CC=C1
Synonyms (13)
- 1,3,5-CYCLOHEPTATRIENE
- 1H-[7]annulene
- Cyclohepta-1,3,5-triene
- Cycloheptatrien
- Cycloheptatriene
- Tropiliden
- Tropilidene
- Tropilidin
- Tropilidine
- Tropyliden
- Zykloheptatrien
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