U.S. imports of Prostaglandins, Thromboxanes & Leukotrienes (SITC 54156) totaled $2.8M in August 2026, imported from 13 countries.
Importers of Prostaglandins, Thromboxanes & Leukotrienes paid $15K in duties in August 2026, an average duty rate of 0.53% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataClassified as bulk pharmaceutical active ingredients rather than finished medicaments, prostaglandins, thromboxanes, leukotrienes, and their structural analogues occupy a specialized niche in the pharmaceutical supply chain — serving as key intermediates for reproductive health drugs, cardiovascular agents, and anti-inflammatory therapies. FDA oversight applies to imported active pharmaceutical ingredients (APIs) under this heading, and foreign manufacturing facilities are subject to FDA inspection and registration requirements. Because these eicosanoid-class compounds are often synthesized in small volumes with high potency, importers must ensure proper documentation of purity specifications and chain-of-custody records at entry.
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18 import shipments a month
Under SITC 54156, these compounds are classified as bulk active pharmaceutical ingredients (APIs) — not as finished medicaments put up in measured doses for retail sale. This distinction affects both the applicable tariff heading and the FDA regulatory pathway at entry.
Importing facilities must be registered with FDA, and the foreign manufacturing site is subject to FDA inspection under drug GMP (Good Manufacturing Practice) standards. Shipments may be detained for examination if the facility lacks a current FDA inspection record or if prior import alerts are in place.
Basic heading 350 of 465 in section 5
Basic heading 54156 · $2.8M of $27.5B
Imports · August 2026
origin
Hungary and Taiwan together supply 77% of it.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
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12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $44.3M of Prostaglandins, Thromboxanes & Leukotrienes and exported $39.7M.
Through August 2026. Source: U.S. Census Bureau.