Safety Reference
Warning
H302Harmful if swallowed
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects
H315
Sourcing Sildenafil?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
pharmaceutical raw material
Isobutyl sildenafil
pharmaceutical raw material
Sourcing Sildenafil?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Sildenafil is a compound that acts as a phosphodiesterase 5 (PDE5) inhibitor and vasodilator agent. It is used as an active pharmaceutical ingredient (API) in the manufacturing of medications for urological applications.
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 Sildenafil (CAS 139755-83-2) is 2935.90.
2935.90
2935 90 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
BNRNXUUZRGQAQC-UHFFFAOYSA-N
CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)C)OCC)C