Tariff reference › Chapter 39 › 3914.00.20.00
HTS 3914.00.20.00 — Cross-linked polyvinylbenzyltrimethylammonium chloride (Cholestyramine resin USP)
The current US import duty for Cross-linked polyvinylbenzyltrimethylammonium chloride (Cholestyramine resin USP) (HTS 3914.00.20.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms: › Cross-linked polyvinylbenzyltrimethylammonium chloride (Cholestyramine resin USP)
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 35% |
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=3914.00.20.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).