Lymecycline from China
Lymecycline is the calcium salt of demeclocycline, a tetracycline derivative used primarily for acne treatment. Falls under HTS 2941.30.00.00 as a tetracycline derivative salt per the precise heading description.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: 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 comparative dissolution profiles against reference standards
• Declare as bulk API only; retail packs go to Chapter 30
• Monitor for polymorphic form consistency in specifications