Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
Sourcing Metformin?
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Sourcing Metformin?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Metformin is a biguanide compound used as an active pharmaceutical ingredient. It functions as a hypoglycemic agent and is also studied for its geroprotective properties.
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 Metformin (CAS 657-24-9) is 2925.29.
2925.29
2925 29 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
3-(diaminomethylidene)-1,1-dimethylguanidine
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