Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing Piperazine-2,5-dione?
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Sourcing Piperazine-2,5-dione?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Piperazine-2,5-dione, also known as 2,5-diketopiperazine, is an organic compound with a six-membered ring containing two amide groups at opposite positions. It is historically significant as the first compound containing a peptide bond to be characterized by X-ray crystallography.
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 Piperazine-2,5-dione (CAS 106-57-0) is 2933.79.
2933.79
2933 79 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
piperazine-2,5-dione
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