3914.00.20.00
Cross-linked polyvinylbenzyltrimethylammonium chloride (Cholestyramine resin USP)
Classification path
- Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms
- Cross-linked polyvinylbenzyltrimethylammonium chloride (Cholestyramine resin USP)
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- 35%
- Unit of quantity
- kg
Related lines in heading 3914
About heading 3914
Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms
Heading 3914 covers ion-exchangers based on polymers of headings 3901 to 3913, in primary forms. The heading has two declarable lines. 3914.00.20.00 covers cholestyramine resin USP and is free; 3914.00.60.00 covers other ion-exchangers at 3.9%.
Full guide to heading 3914Products in this heading
- Cation exchange resin beads for water softening
- Anion exchange resin beads for demineralization
- Mixed bed ion exchange resin
- Chelating ion exchange resin
- Polymer-based ion exchange resin powder
- Cholestyramine resin USP
Frequently asked questions
What is the HTS code for cholestyramine resin USP?
Use 3914.00.20.00; its general (MFN) rate is Free.
What is the duty on other ion-exchange resins?
The general (MFN) rate for 3914.00.60.00 is 3.9%.
How do I classify a polymer-based ion-exchanger?
Classify it under heading 3914 if it is an ion-exchanger based on a polymer of headings 3901 to 3913 and in primary forms. Cholestyramine resin USP goes in 3914.00.20.00 at Free; other ion-exchangers go in 3914.00.60.00 at a general (MFN) rate of 3.9%.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.