Pharmaceutical Estradiol Benzoate 98% Pure from China
High-purity (98%+) estradiol benzoate meeting EP/BP/USP standards for hormone replacement therapy production. Classified HTS 2937.23.2500 as named steroidal hormone used primarily as hormone per heading 2937 definition.
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
• Include polymorphic form specification (Form I/II) and particle size distribution for process validation
• Dual-check against DEA List I chemicals; estradiol esters require import permit coordination
• Avoid aluminum packaging that catalyzes degradation; use HDPE or glass with nitrogen blanket