2939.19.10.00/Papaverine Hydrochloride USP/Japan

Papaverine Hydrochloride USP from Japan

Papaverine hydrochloride is the salt form of papaverine, a benzylisoquinoline alkaloid derived from opium, used primarily as a smooth muscle relaxant in pharmaceutical applications. It falls under HTS 2939.19.10.00 as a salt of the opium alkaloid papaverine, consistent with chapter notes specifying alkaloids and their salts. This pure chemical compound is supplied as a white crystalline powder for compounding into injectables or oral medications.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter

9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

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Import Tips

• Verify USP or EP pharmacopeia grade certification and provide Certificate of Analysis (CoA) confirming purity >98% to avoid reclassification as impure mixtures

• Include FDA Drug Master File (DMF) references and ensure INN compliance for papaverine hydrochloride; declare as bulk API not finished dosage forms