Trypsin-Chymotrypsin Ferment Blend from China
Sterile lyophilized blend of trypsin and chymotrypsin ferments from animal pancreas, used therapeutically for anti-inflammatory and wound debridement applications. Classified in HTS 3002.90.10.00 as other ferments for human therapeutic use, excluding yeasts and cultures.
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
• Require veterinary source certificates for animal-derived ferments to meet import biosecurity
• Document as 'immunological product' if applicable, but confirm via Chapter notes for peptides
• Use insulated packaging with temperature logs for lyophilized stability