Safety Reference
Warning
H302Harmful if swallowed
H411Toxic to aquatic life with long lasting effects
Sourcing Benzo[b]thiophene?
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Methylhydroquinone
pharmaceutical intermediate
Sourcing Benzo[b]thiophene?
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Benzo[b]thiophene is an organic compound consisting of a benzene ring fused to a thiophene ring. It serves as a key building block in the synthesis of pharmaceuticals and dyes.
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 Benzo[b]thiophene (CAS 95-15-8) 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.
1-benzothiophene
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C1=CC=C2C(=C1)C=CS2