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2933.39.20.00/1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one/China

1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one from China

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 — China → United States

100%

Rate breakdown

9903.04.6094.2%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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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

1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one from China — Import Duty Rate | HTS 2933.39.20.00