Purified Ricin A-Chain for Antibody Conjugates from Mexico
Isolated ricin A-chain protein for conjugating with monoclonal antibodies in cancer immunotherapy research. HTS 3002.49.0010 covers this as an immunological product from biotech processes. Key component in targeted toxin therapies.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide SDS and toxicity data; ensure import license specifies conjugate research use
• Coordinate with CBP for advance notice due to high-security toxin status