Safety Reference
Warning
H302Harmful if swallowed
Sourcing 5-Chlorobenzotriazole?
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Sourcing 5-Chlorobenzotriazole?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
5-Chlorobenzotriazole is a chemical compound used as an intermediate in the synthesis of peptide coupling reagents. It is structurally related to 6-chloro-1-hydroxybenzotriazole, a moiety known to enhance reaction rates in peptide 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 5-Chlorobenzotriazole (CAS 94-97-3) 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-2H-benzotriazole
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