Tariff reference › Chapter 29 › 2937.29.90
HTS 2937.29.90 — Other
The current US import duty for Other (HTS 2937.29.90) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones: › Steroidal hormones, their derivatives and structural analogues: › Other: › Other
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 25% |
No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=2937.29.90&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).