Synthetic Calcitonin Salmon from Mexico
Calcitonin from salmon, reproduced synthetically, is a polypeptide hormone used primarily for treating osteoporosis and hypercalcemia. It qualifies under HTS 2937.19.00.00 as a polypeptide hormone derivative. The classification reflects its primary hormonal therapeutic use.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
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 stability data for temperature-controlled shipping; obtain prior FDA import alerts clearance; distinguish from finished nasal sprays under Chapter 30