DL-Norephedrine Sulfate from China
DL-norephedrine sulfate is the sulfate salt of the racemic norephedrine alkaloid, reproduced by synthesis from ephedra derivatives. Falls under HTS 2939.44.00.00 as a salt of norephedrine per Chapter 29 provisions for alkaloid derivatives. Used in research and veterinary decongestant formulations.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide chiral purity analysis if claiming specific enantiomer; ensure veterinary vs human use documentation
• Sulfate salts may require additional stability testing certificates