Epitalon (Epithalon) Synthetic from China
Synthetic epitalon tetrapeptide, a telomerase-activating hormone analogue researched for anti-aging effects. Classified under HTS 2937.90.90.00 as a chain-modified polypeptide used primarily as a hormone. Ultra-pure research chemical.
Duty Rate — China → 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 research protocol and institutional affiliation documentation
• Lyophilized powder requires desiccated, light-protected packaging
• Avoid consumer packaging to maintain bulk chemical classification