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

Natural Progesterone API for Compounding from Japan

Active pharmaceutical ingredient progesterone extracted and purified from plant phytosterols, certified natural for use in custom hormone therapy formulations. HTS 2937.23.1020 covers this vegetable-derived steroid hormone used primarily for its progestogenic effects in medical applications.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

Import Tips

Provide HPLC purity certificates (>99%) and CoA; ensure proper temperature-controlled shipping for stability; register as bulk drug substance with FDA before import