13-cis Retinoic Acid from Canada
13-cis retinoic acid is an active Vitamin A derivative used in dermatological treatments, functioning as a vitamin metabolite. Under HTS 2936.21.00.00 as a chemically defined Vitamin A derivative primarily employed as such. Supplied as bulk API powder.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) 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
• DEA watch-list chemical; ensure CTR/ARC filings for bulk pharma imports
• Toxic substance declarations required; SDS must detail retinoid hazards
• Confirm 'primarily as vitamin' vs. therapeutic use to avoid Chapter 30