Estradiol Valerate from China
Estradiol valerate is a synthetic ester of the natural estrogen hormone estradiol, used primarily in hormone replacement therapy and contraception. It falls under HTS 2937.23.5050 as a steroidal estrogen derivative and structural analogue used primarily as a hormone. This classification applies to its chemically defined organic structure per Chapter 29 notes.
Duty Rate — China → 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
• Obtain FDA approval and Drug Master File prior to import as it's a pharmaceutical hormone product
• Include detailed certificates of analysis verifying purity and hormonal activity to avoid reclassification
• Ensure temperature-controlled shipping to maintain stability, as degradation can trigger FDA detention