Ricinenic Acid from Japan
Ricinenic acid is an acetylated derivative of ricinoleic acid, functioning as an unsaturated acyclic monocarboxylic acid. HTS 2916.19.30.00 applies as it retains the unsaturated acyclic structure per Chapter notes. Used in chemical synthesis.
Duty Rate — Japan → United States
21.4%
Rate breakdown
9903.04.628.9%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
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Acetylation status documentation to confirm acid vs ester
• Castor oil origin certificates may trigger additional scrutiny
• Purity >92% required for Chapter 29 classification