2922.29.27.00/Chlorpheniramine Maleate USP/Japan

Chlorpheniramine Maleate USP from Japan

This antihistamine drug is a maleate salt of an amino-phenol ether, qualifying as a drug under oxygen-function amino-compounds. Chapter notes confirm salts classify with parent compounds. Used in allergy medications.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Maleate salt ratio documentation required; test for polymorph form

• Common error: classifying with base under different subheading