Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 5-Chloro-2,3,3-trimethyl-3H-indole?
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Potassium 2,3,3-trimethyl-3H-indole-5-sulfonate
research compound
Sourcing 5-Chloro-2,3,3-trimethyl-3H-indole?
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5-Chloro-2,3,3-trimethyl-3H-indole is a chlorinated indole derivative used as a pharmaceutical intermediate in the synthesis of active pharmaceutical ingredients.
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 5-Chloro-2,3,3-trimethyl-3H-indole (CAS 25981-83-3) is 2933.99.
2933.99
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.
5-chloro-2,3,3-trimethylindole
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