Retinyl Propionate Crystals from Mexico
Retinyl propionate is a Vitamin A ester derivative in crystalline form for high-potency supplements. Falls under HTS 2936.21.00.00 as an unmixed Vitamin A derivative used primarily as a vitamin. Preferred in lab-grade and pharmaceutical applications.
Duty Rate — Mexico → 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
• Crystalline purity >98% needs HPLC certificate; impurities affect Chapter 29 eligibility
• Declare exact chemical name on commercial invoice to match HTS description precisely
• Monitor for stabilizer additions; excess may invoke note (f) but still stays in 2936.21 if primary vitamin use