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

Modified Aromatic Proton Pump Inhibitor Omeprazole from Canada

Omeprazole is a benzimidazole derivative with modified aromatic structure used for acid reflux treatment. Classified in HTS 2942.00.05.00 as an aromatic drug API meeting Chapter 29 chemical definition. Excluded from dyes/colorants per Chapter exclusions.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Confirm benzimidazole modification doesn't qualify for earlier 2933 heading

Include light-sensitive packaging documentation per stability requirements

Ensure no hormone activity to avoid 2937 classification conflicts

Modified Aromatic Proton Pump Inhibitor Omeprazole from Canada — Import Duty Rate | HTS 2942.00.05.00