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1,4-Bis[N-(3-dimethylcarbamoxy-α-picolyl)-N,N-dimethylammonio]-butane-2,3-dione Dibromide (n=2) from Japan

This is a specific bis-pyridinium oxime compound with n=2, featuring two pyridine rings linked by a butane dione chain with dimethylcarbamoxy groups and dibromide counterions. It falls under HTS 2933.39.61.30 as a heterocyclic compound containing unfused pyridine rings, described in additional U.S. note 3 to section VI. Used primarily as a research chemical or potential antidote intermediate in pharmaceutical synthesis.

Duty Rate — Japan → United States

21%

Rate breakdown

9903.04.628.5%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
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Provide detailed chemical analysis and purity certificates to confirm exact structure matching the HTS description; ensure compliance with TSCA registration for new chemicals; declare as research chemical to avoid pesticide regulations if not for agricultural use