1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one from Japan
1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one is a substituted pyridone compound explicitly named in HTS 2933.39.20.00 for pyridine ring structures. It functions as an intermediate in pharmaceutical manufacturing, particularly for antiviral and anticancer agents.
Duty Rate — Japan → United States
21.7%
Rate breakdown
9903.04.629.2%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
• Submit NMR and mass spec data verifying cyanopyridine structure and substitution pattern
• Check for dual-use chemical restrictions under export control regulations
• Ensure GHS labeling for compounds with hydroxy and cyano functional groups