Quinestrol from China
Quinestrol is an oral synthetic estrogen ether used in veterinary and human applications. Classified HTS 2937.23.5010 as steroidal estrogen derivative used primarily as hormone.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Veterinary vs human use affects FDA pathway; Ether stability requires specific humidity controls; Confirm no heavy metal contamination per pharma specs