4-tert-Butylcyclohexanone from Japan
4-tert-Butylcyclohexanone is a sterically hindered methylcyclohexanone derivative where the 4-position bears a tert-butyl group, under HTS 2914.22.20.00. Used in steroid synthesis and liquid crystal production.
Duty Rate — Japan → United States
15.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify cis/trans isomer ratio on invoice as it affects end-use applications
• Validate with HPLC certificate to confirm >99% purity
• Comply with EPA TSCA inventory listing for new chemical import