Heading 29.37

US HTS

Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones

9 subheadings · 17 tariff lines

Source: US International Trade Commission (USITC). For informational purposes only. Consult the official HTS and a licensed customs broker for binding rates.