Norephedrine and its salts
Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives: > Alkaloids of ephedra and their derivatives; salts thereof: > Norephedrine and its salts
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2939.44.00.00
Phenylpropanolamine Hydrochloride
Phenylpropanolamine hydrochloride is the hydrochloride salt of norephedrine, a synthetic derivative of the ephedra alkaloid norephedrine. It is classified under HTS 2939.44.00.00 as a salt of norephedrine, fitting Chapter 29's scope for chemically defined organic compounds and their salts. Primarily used in pharmaceutical formulations as a nasal decongestant and appetite suppressant.
Norephedrine Hydrochloride USP Grade
USP-grade norephedrine hydrochloride is a high-purity salt form of norephedrine meeting United States Pharmacopeia standards for pharmaceutical use. Classified under HTS 2939.44.00.00 as a norephedrine salt within the alkaloids of ephedra derivatives. Used as active pharmaceutical ingredient in cough/cold medications.
DL-Norephedrine Sulfate
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.
L-Norephedrine Hydrobromide
L-norephedrine hydrobromide is the levorotatory enantiomer salt used in specialized pharmaceutical applications. Classified under HTS 2939.44.00.00 as a norephedrine salt derivative of ephedra alkaloids. Applied in bronchodilator and nasal spray formulations.
Norephedrine Phosphate Pharmaceutical Grade
Pharmaceutical-grade norephedrine phosphate salt provides enhanced solubility for oral and injectable decongestant formulations. HTS 2939.44.00.00 classification as norephedrine salt per chapter notes on organic compound salts. Used by generic drug manufacturers.
Pseudoephedrine Impurity Standard (Norephedrine HCl)
Certified reference material of norephedrine hydrochloride used as impurity standard in pseudoephedrine quality control testing. Classified under HTS 2939.44.00.00 as pure norephedrine salt for laboratory use. Essential for HPLC method validation in pharmaceutical QC labs.
Norephedrine Base Free Form
While heading specifies salts, pure norephedrine base imported for salt formation falls under HTS 2939.44.00.00 as ephedra alkaloid derivative. Synthetic reproduction of natural norephedrine for custom salt manufacturing. Used by API producers creating patient-specific formulations.
Veterinary Norephedrine Salts for Animal Cough Syrup
Norephedrine hydrochloride formulated for veterinary respiratory medications in large animals. HTS 2939.44.00.00 as bulk API salt before final veterinary dosage form. Used in equine and bovine bronchodilator syrups.
Norephedrine (Norpseudoephedrine) Research Chemical
High-purity norephedrine hydrochloride (>99%) sold to research institutions studying sympathomimetic pathways. Classified HTS 2939.44.00.00 as synthetic alkaloid salt. Used in neuroscience and pharmacology structure-activity studies.