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

USP Grade O-Acetylsalicylic Acid Powder from Japan

Pharmaceutical-grade o-acetylsalicylic acid powder meeting USP standards for purity, used primarily as the active ingredient in aspirin formulations. This chemically defined organic compound with a carboxylic acid and phenol function falls under HTS 2918.22.1000 as pure aspirin acid, separate from finished tablets or mixtures.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Verify USP certificate of analysis for purity >99.5%; ensure COA declares it as separate chemically defined compound per Chapter 29 note (a)

Avoid classifying as finished drug under Chapter 30