Gluconolactone Fermentation-Derived USP from Canada
Fermentation-produced glucono-δ-lactone USP grade, classified under HTS 2932.20.50.20 as the specific heterocyclic lactone. Preferred over synthetic routes for 'natural' labeling in clean-label foods. Identical chemical structure qualifies under Chapter 29 organic compound definitions.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: 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
• Include fermentation origin documentation for 'natural' claims; affects FDA labeling jurisdiction
• GMP certificate from manufacturing site mandatory for USP designation
• Shelf life testing (>24 months) required; hydrolysis stability affects classification validity