Dihydrotachysterol (Vitamin D4 Analog) from Canada
Dihydrotachysterol is a partially activated Vitamin D derivative used primarily for calcium regulation in hypocalcemia treatment. It qualifies under HTS 2936.29.50.20 as a Vitamin D derivative that is a separate organic compound used as a vitamin. Historical use in pharmaceutical compounding.
Duty Rate — Canada → United States
0%
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
• Rare import; provide market authorization docs from country of origin
• Light-protected packaging required per stability profile
• Classify by principal use as vitamin, not emergency hypocalcemia med