Pyridine-3-Carboxylic Acid (Nicotinic Acid) from China
Nicotinic acid, also known as vitamin B3, is a pyridine derivative used in nutritional supplements and pharmaceutical formulations. This bulk chemical powder is classified under HTS 2933.39.61.91 due to its unfused pyridine ring structure and inclusion in U.S. note 3 substances. It qualifies as a separate chemically defined organic compound per chapter notes.
Duty Rate — China → 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
• Ensure USP/NF grade certification for food/pharma import compliance with FDA regulations
• Declare exact CAS number (59-67-6) and purity percentage on commercial invoice
• Monitor REACH/ TSCA registration status for environmental compliance