Insulin Aspart Injectable Bulk Solution from Mexico
Sterile aqueous solution of insulin aspart with zinc and phenolic preservatives for diabetes therapy, supplied in bulk for further processing. Classified in 3003.31.00.00 for mixed insulin-containing medicaments not in retail forms.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Include sterility test results and endotoxin certificates for injectable imports
• Classify as bulk to avoid higher retail duties; provide manufacturing intent proof
• Monitor for tariff shifts if glycerol content exceeds excipient thresholds