Chloroprocaine Hydrochloride from Mexico
Chloroprocaine hydrochloride, short-acting ester anesthetic with aromatic amino-oxygen function. Falls under HTS 2922.50.2500 as other drug compound. Para-chlorinated benzoate structure meets aromatic oxygen-function amino criteria.
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
• Ester hydrolysis stability testing required for shelf-life claims
• Include chlorine content analysis (17-19% w/w)
• pH adjustment documentation (3.0-5.0 range) mandatory