Immobilized Penicillin G Amidase Beads from Japan
Penicillin G amidase immobilized on agarose or silica beads for continuous flow biocatalysis in pharmaceutical manufacturing. Still classified under HTS 3507.90.20.00 as the principal enzyme is specifically Penicillin G amidase, not reclassified by immobilization.
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
• Specify immobilization matrix in documentation to distinguish from pure enzymes and avoid parts classifications
• Comply with EPA biotech import permits if beads contain recombinant material
• Test for leaching stability to prevent reclassification as a composite chemical good