Isopropoxy-Protected Cyclohexanone Derivative from Japan
Laboratory reagent 1,1-bis(1-methylethoxy)cyclohexane serving as protected form of cyclohexanone. Classified under HTS 2911.00.10.00 due to specific acetal structure meeting chapter definition (a). Used in asymmetric synthesis and natural product isolation.
Duty Rate — Japan → United States
12.5%
Rate breakdown
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
• Label with GHS pictograms (Flame, Exclamation Mark) per OSHA HazCom; cyclohexyl ethers are irritants
• Small package exemption may apply for R&D quantities under 2.5kg, but verify with CBP
• Avoid water-contaminated containers—hydrolyzes to cyclohexanone (HTS 2914.22.2000)