Unoprostone Isopropyl from Germany
Unoprostone isopropyl, a docosanoid prostaglandin F2α isomer, treats glaucoma. Classified under HTS 2937.50.00.00 as prostaglandin ester structural analogue per Chapter 29 ester rules. Longer chain maintains hormonal classification.
Duty Rate — Germany → 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
• Document 22-carbon chain distinguishing from C20 prostaglandins
• Isopropyl ester follows parent acid classification per Chapter Note
• Primarily Japanese market; ensure ICH Q1A stability equivalence