Ceftriaxone Sodium Impurity A (Pyrazole Intermediate) from Canada
Ceftriaxone Sodium Impurity A is a pyrazole-containing synthetic intermediate used in cephalosporin antibiotic production, classified under HTS 2933.19.90.00 as other unfused pyrazole compound. Meets Chapter 29 definition for separate chemically defined organic compounds.
Duty Rate — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• GMP certificate required for pharmaceutical intermediate classification
• Include synthetic route diagram showing pyrazole as key structural fragment
• Antibiotic precursors may require FDA import alert screening