Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues
Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones. > Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues > Prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues
Duty Rate (from China)
Products classified under Tariff item 2937.50.00.00
Alprostadil
Alprostadil, also known as Prostaglandin E1, is a naturally occurring prostaglandin used medically to treat erectile dysfunction and to maintain the patency of the ductus arteriosus in neonates. It is a separate chemically defined organic compound that is reproduced by synthesis, falling squarely under tariff item 2937.50.00 as a prostaglandin. Its primary hormonal effects on vascular smooth muscle confirm its classification in this heading.
2937.50.00Beraprost Sodium
Beraprost sodium is a stable oral prostacyclin (PGI2) analogue used to treat peripheral arterial disease. As a salt of a prostaglandin structural analogue, it is classified under tariff item 2937.50.00, which covers prostaglandins, thromboxanes and leukotrienes, their derivatives and structural analogues. The sodium salt form follows the classification of the parent organic compound per Chapter 29 rules.
2937.50.00Bimatoprost
Bimatoprost is a prostamide analogue of prostaglandin F2α, used to treat glaucoma and eyelash hypotrichosis. It is a separate chemically defined organic compound that functions as a structural analogue of a prostaglandin, placing it under tariff item 2937.50.00. Its primary hormonal activity in reducing intraocular pressure supports classification in this heading.
2937.50.00Carboprost Tromethamine
Carboprost tromethamine is a synthetic analogue of prostaglandin F2α, used to control postpartum hemorrhage. It is a salt of a prostaglandin derivative, and per Chapter 29 rules, inorganic salts of organic compounds are classified with the parent organic compound. Therefore, it falls under tariff item 2937.50.00 as a prostaglandin derivative with hormonal activity.
2937.50.00Dinoprostone
Dinoprostone, also known as Prostaglandin E2, is a naturally occurring prostaglandin used for cervical ripening and labor induction. It is a separate chemically defined organic compound that can be reproduced by synthesis, and it is used primarily for its hormonal effects. This places it under tariff item 2937.50.00, which covers prostaglandins and their derivatives.
2937.50.00Epoprostenol Sodium
Epoprostenol sodium is the sodium salt of prostacyclin (PGI2), a naturally occurring prostaglandin used to treat pulmonary arterial hypertension. As a salt of a prostaglandin, it is classified under tariff item 2937.50.00, which covers prostaglandins and their derivatives. The classification follows the parent compound per Chapter 29 rules for salts of organic compounds.
2937.50.00Iloprost
Iloprost is a stable synthetic analogue of prostacyclin (PGI2), used to treat pulmonary arterial hypertension. It is a structural analogue of a prostaglandin with primary hormonal vasodilatory effects, placing it under tariff item 2937.50.00. Its chemically defined structure and hormonal mechanism confirm classification in this heading.
2937.50.00Latanoprost
Latanoprost is a prostaglandin F2α analogue used in ophthalmic solutions to treat glaucoma. It is a separate chemically defined organic compound that acts as a structural analogue of a prostaglandin, with its primary hormonal mechanism reducing intraocular pressure. This makes it classifiable under tariff item 2937.50.00.
2937.50.00Limaprost Alfa
Limaprost alfa is a synthetic derivative of prostaglandin E1, used to treat peripheral vascular disease. It is a modified prostaglandin with hormonal activity, and its alfa-dextran complex is considered a derivative of the parent prostaglandin. This places it under tariff item 2937.50.00, which covers prostaglandin derivatives and structural analogues.
2937.50.00Misoprostol
Misoprostol is a synthetic analogue of prostaglandin E1, used primarily to prevent NSAID-induced gastric ulcers and to induce labor. It is a structural analogue of a prostaglandin with hormonal activity, placing it under tariff item 2937.50.00. Its chemically defined structure and primary hormonal use confirm classification in this heading.
2937.50.00Prostaglandin D2 (PGD2)
Prostaglandin D2 (PGD2) is a naturally occurring prostanoid that mediates allergic responses and is used primarily in research. As a naturally occurring prostaglandin reproduced by synthesis, it is a separate chemically defined compound that falls under tariff item 2937.50.00. Its hormonal activity and chemical structure confirm classification in this heading.
2937.50.00Tafluprost
Tafluprost is a fluorinated analogue of prostaglandin F2α, used in glaucoma treatment. It is a halogenated prostaglandin derivative, and per Chapter 29 notes, halogenated derivatives of prostaglandins are classified with the parent compounds. Its primary hormonal mechanism of reducing intraocular pressure places it under tariff item 2937.50.00.
2937.50.00Travoprost
Travoprost is a synthetic prostaglandin F2α isopropyl ester analogue used for glaucoma therapy. As an ester of a prostaglandin, it is classified with the parent acid-function compound per Chapter 29 ester rules. Its primary hormonal activity in reducing intraocular pressure places it under tariff item 2937.50.00.
2937.50.00Treprostinil
Treprostinil is a stable prostacyclin analogue used to treat pulmonary arterial hypertension via multiple administration routes. It is a structural analogue of a prostaglandin with primary hormonal vasodilatory effects, placing it under tariff item 2937.50.00. Its tricyclic structure and hormonal mechanism confirm classification in this heading.
2937.50.00Unoprostone Isopropyl
Unoprostone isopropyl is a docosanoid prostaglandin F2α isomer used to treat glaucoma. As an ester of a prostaglandin structural analogue, it is classified with the parent compound per Chapter 29 ester rules. Its longer carbon chain maintains its hormonal activity, placing it under tariff item 2937.50.00.