Prostaglandin D2 (PGD2) from Canada
Prostaglandin D2 (PGD2), a natural prostanoid mediator of allergic responses, used in research. Falls under HTS 2937.50.00.00 as naturally occurring prostaglandin reproduced by synthesis. Chemically defined for Chapter 29 classification.
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
• Research chemical requires end-use statement distinguishing from clinical material
• Natural product reproduced by synthesis qualifies per heading description
• Document D-ring ketone distinguishing from other prostaglandins