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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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