C8H9N
119.16 g/mol
Industrial ChemicalWarning
2,3-Cyclopentenopyridine
CAS533-37-9EC208-564-1
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
Chemical intermediate for synthesis
2,3-Cyclopentenopyridine is a bicyclic heterocyclic compound consisting of a pyridine ring fused to a cyclopentane ring. It is primarily used as a chemical intermediate for the synthesis of more complex molecules.
chemical intermediate for organic synthesis
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 0.91
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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 2,3-Cyclopentenopyridine (CAS 533-37-9) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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
6,7-dihydro-5H-cyclopenta[b]pyridine
InChIKey
KRNSYSYRLQDHDK-UHFFFAOYSA-N
SMILES
C1CC2=C(C1)N=CC=C2
Synonyms (12)
- 2,3-Cyclopentenopyridine
- 5H-1-Pyrindene, 6,7-dihydro-
- 5H-1-Pyrindine, 6,7-dihydro-
- 6,7-DIHYDRO-5H-PYRINDINE
- 6,7-dihydro-5H-[1]pyrindine
- Cefpirome Impurity 8
- Cyclopenta[b]pyridine
- Pyrindan
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