Modified Aromatic Proton Pump Inhibitor Omeprazole from Japan

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 — Japan → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

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