4-tert-Butylcyclohexanone from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 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