Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
Sourcing 4-chlorobenzo[b]thiophene?
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Sourcing 4-chlorobenzo[b]thiophene?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
4-Chlorobenzo[b]thiophene is a chlorinated heterocyclic compound used as a research reagent. Its structure features a fused benzene and thiophene ring system with a chlorine substituent, making it valuable for constructing diverse heterocyclic scaffolds in laboratory 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.
The international HS code for 4-chlorobenzo[b]thiophene (CAS 66490-33-3) is 2934.99.
2934.99
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
4-chloro-1-benzothiophene
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