Procaine Hydrochloride from Mexico
Procaine HCl, classic ester anesthetic with p-aminobenzoic acid oxygen-amino structure. HTS 2922.50.2500 aromatic oxygen-function amino-drug. Historical first synthetic local anesthetic still in use.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%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
• Allergy warning labels mandatory due to PABA sensitivity
• Hydrolysis rate testing required (rapid breakdown in plasma)
• Include Novocain trademark history if marketing generic