</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Aromatic PDE5 Inhibitor Sildenafil Citrate from Mexico

Sildenafil citrate is a phosphodiesterase-5 inhibitor with pyrazolopyrimidinone aromatic structure for erectile dysfunction. Classified in 2942.00.05.00 as aromatic drug API. Citrate salt follows organic acid classification.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.6093.5%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

Citrate salt per Note 5(C); provide ionization confirmation

Document excludes hormone classification of 2937

Comply with import restrictions on ED medications

Aromatic PDE5 Inhibitor Sildenafil Citrate from Mexico — Import Duty Rate | HTS 2942.00.05.00