Ergocristine Methanesulfonate Salt from Mexico
Ergocristine methanesulfonate is a salt derivative of lysergic acid-containing ergot alkaloid from rye ergot, falling under HTS 2939.63.00.00. This chemically defined organic compound is used in pharmaceutical research for its vasoconstrictive properties.
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
• Verify exact chemical structure matches lysergic acid salt definition per chapter notes
• Include Material Safety Data Sheets (MSDS) detailing toxicity and handling precautions
• Check for additional EPA TSCA registration requirements for new chemical substances