Pegylated Somatotropin (PEG-GH) from Canada
Pegylated growth hormone is human somatotropin conjugated with polyethylene glycol (PEG) to extend its circulating half-life and reduce injection frequency. This structural modification creates a derivative used primarily for growth hormone therapy. HTS 2937.11.00.00 applies to such chain-modified polypeptide hormone analogues.
Duty Rate — Canada → 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
• Provide PEG conjugation analysis and molecular weight characterization
• Declare specific bioactivity retention post-modification to confirm hormonal function
• Use proper UN number for biologics transport to comply with dangerous goods regulations