Other
Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives. > Alkaloids of ephedra and their derivatives; salts thereof: > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2939.4
Ephedrine Base (Free Base Form)
Ephedrine base in its free base form is the non-salt alkaloid itself, typically used as an intermediate for producing various ephedrine salts. As the parent alkaloid of ephedra, it falls directly under this tariff item, which covers ephedrine and its salts, whether natural or synthetically reproduced.
2939.41.00Ephedrine Hydrochloride
Ephedrine hydrochloride is the hydrochloride salt of the alkaloid ephedrine, commonly used in pharmaceuticals as a bronchodilator or decongestant. As a salt of ephedrine, it is explicitly included in this tariff item, which covers ephedrine and its salts.
2939.41.00Ephedrine Mandelate
Ephedrine mandelate is a salt formed by combining ephedrine with mandelic acid, used in certain urinary tract formulations. As a salt of ephedrine, it falls under this tariff item, which covers ephedrine and its salts, per Chapter 29 note 5(C)(1) on inorganic salts of organic compounds.
2939.41.00Ephedrine Sulfate
Ephedrine sulfate is a water-soluble salt of ephedrine used in bronchodilators and nasal decongestants. As a salt of ephedrine, it is directly covered by this tariff item, which includes ephedrine and its salts.
2939.41.00Pharmaceutical Grade Ephedrine HCl USP
Pharmaceutical grade ephedrine HCl meeting USP standards is a high-purity salt of ephedrine used in prescription drugs. It falls under this tariff item as a salt of ephedrine, with the USP grade confirming its quality for medicinal applications.
2939.41.00Sterile Ephedrine Hydrochloride Injection Concentrate
Sterile ephedrine hydrochloride injection concentrate is a water solution of ephedrine HCl at 50mg/mL for hospital use. Chapter 29 note 1(d) allows water solutions of ephedrine salts to remain in this chapter, so this product falls under this tariff item as a salt of ephedrine.
2939.41.00Synthetic Ephedrine Hydrochloride
Synthetic ephedrine hydrochloride is produced in a laboratory and is chemically identical to the natural alkaloid salt. This tariff item explicitly covers alkaloids 'reproduced by synthesis' and their salts, making this product classifiable here.
2939.42.00Ephedrine-Free Pseudoephedrine Hydrochloride
High-purity pseudoephedrine hydrochloride, an alkaloid salt of ephedra, manufactured to minimize ephedrine impurities. It is a separate chemically defined organic compound used as a nasal decongestant in pharmaceutical production.
2939.42.00Pharmaceutical Pseudoephedrine Base Converted Salts
Custom salts of pseudoephedrine produced from a purified base, maintaining the alkaloid structure with varying counterions. These salts are separate chemically defined organic compounds falling under the salts provision of the tariff item.
2939.42.00Pseudoephedrine HCl API Powder
Active pharmaceutical ingredient powder of pseudoephedrine hydrochloride meeting EP/BP pharmacopeia standards. This separate chemically defined organic compound is used in manufacturing OTC decongestants and is explicitly covered as a salt of pseudoephedrine.
2939.42.00Pseudoephedrine Hydrochloride USP
Pseudoephedrine hydrochloride, the hydrochloride salt of the alkaloid pseudoephedrine derived from Ephedra, used as a nasal decongestant in cold medications. It is a separate chemically defined organic compound classified as a salt of pseudoephedrine.
2939.42.00Pseudoephedrine Phosphate Salt
The phosphate salt form of pseudoephedrine, an alternative salt providing different solubility properties for nasal spray formulations. This separate chemically defined organic compound is classified as a salt of pseudoephedrine.
2939.42.00Pseudoephedrine Sulfate Pharmaceutical Grade
Pseudoephedrine sulfate, a water-soluble salt of the ephedra alkaloid pseudoephedrine, primarily used in liquid cough and cold syrup formulations. It is a separate chemically defined organic compound classified as a salt of pseudoephedrine.
2939.42.00Sudafed API Equivalent Pseudoephedrine HCl
Bulk pseudoephedrine hydrochloride matching the specifications used in branded decongestant manufacturing, supplied to generic producers. This ephedra alkaloid salt in pure form is classified under the tariff item for pseudoephedrine and its salts.
2939.43.00Cathine Hydrochloride
Cathine hydrochloride is the hydrochloride salt of cathine, a naturally occurring alkaloid derived from Ephedra plants and reproduced synthetically for pharmaceutical applications. It is a separate chemically defined organic compound, and as a salt of cathine, it falls under tariff item 2939.43.00, which covers cathine (INN) and its salts.
2939.43.00Cathine Phosphate Powder
Cathine phosphate is a stable phosphate salt of cathine alkaloid, chemically defined and produced synthetically for use as a pharmaceutical reference standard or active ingredient precursor. As a salt of cathine, it is classified under tariff item 2939.43.00, which specifically includes cathine (INN) and its salts.
2939.43.00Cathine Sulfate
Cathine sulfate is a pharmaceutically pure salt form of cathine (norpseudoephedrine), an ephedra-derived sympathomimetic alkaloid used in drug synthesis. As a salt of cathine, it falls under tariff item 2939.43.00, which covers cathine (INN) and its salts.
2939.43.00Pharmaceutical Grade Cathine (S)-Cathine Tartrate
(S)-Cathine tartrate is the tartrate salt of the specific enantiomer of cathine, a synthetic reproduction of the natural ephedra alkaloid, meeting USP standards for drug intermediates. As a salt of cathine, it is classified under tariff item 2939.43.00, which includes cathine (INN) and its salts.
2939.43.00Research Grade Cathine Bromide
Research grade cathine bromide is a salt of cathine used for analytical chemistry and neuroscience studies, derived from synthetic reproduction of the ephedra alkaloid. As a salt of cathine, it falls under tariff item 2939.43.00, which covers cathine (INN) and its salts.
2939.44.00DL-Norephedrine Sulfate
DL-norephedrine sulfate is the sulfate salt of racemic norephedrine, an alkaloid of ephedra reproduced by synthesis. As a salt of norephedrine, it falls squarely under tariff item 2939.44.00, which covers norephedrine and its salts.
2939.44.00L-Norephedrine Hydrobromide
L-norephedrine hydrobromide is the levorotatory enantiomer salt of norephedrine, used in specialized pharmaceutical applications. As a salt of norephedrine, it is classified under tariff item 2939.44.00, which covers norephedrine and its salts.
2939.44.00Norephedrine Base Free Form
Norephedrine base in free form is the synthetic reproduction of the natural alkaloid, intended for subsequent salt formation. Tariff item 2939.44.00 covers norephedrine and its salts, and the base form is included as the parent compound.
2939.44.00Norephedrine Hydrochloride USP Grade
Norephedrine hydrochloride USP grade is a high-purity salt form of norephedrine meeting pharmacopeial standards for pharmaceutical use. As a salt of norephedrine, it is classified under tariff item 2939.44.00, which covers norephedrine and its salts.
2939.44.00Norephedrine (Norpseudoephedrine) Research Chemical
High-purity norephedrine hydrochloride (>99%) sold to research institutions for studying sympathomimetic pathways is a salt of norephedrine. Tariff item 2939.44.00 covers norephedrine and its salts, regardless of the end use, so this research chemical falls under it.
2939.44.00Norephedrine Phosphate Pharmaceutical Grade
Norephedrine phosphate pharmaceutical grade is a salt of norephedrine offering enhanced solubility for oral and injectable decongestant formulations. Tariff item 2939.44.00 covers norephedrine and its salts, making this product classifiable under it.
2939.44.00Phenylpropanolamine Hydrochloride
Phenylpropanolamine hydrochloride is the hydrochloride salt of norephedrine, a synthetic derivative of the ephedra alkaloid. Tariff item 2939.44.00 covers norephedrine and its salts, and phenylpropanolamine is another name for norephedrine, so this product is classifiable under it.
2939.44.00Pseudoephedrine Impurity Standard (Norephedrine HCl)
Certified reference material of norephedrine hydrochloride used as an impurity standard in pseudoephedrine quality control testing is a pure salt of norephedrine. Tariff item 2939.44.00 covers norephedrine and its salts, including reference standards, so this product falls under it.
2939.44.00Veterinary Norephedrine Salts for Animal Cough Syrup
Norephedrine hydrochloride formulated for veterinary respiratory medications is a bulk API salt of norephedrine. Tariff item 2939.44.00 covers norephedrine and its salts, so this veterinary-grade product falls under it before final dosage form.
2939.45.00D-Methamphetamine Hydrochloride (Racemic)
D-Methamphetamine Hydrochloride (Racemic) is the hydrochloride salt of the racemic mixture of methamphetamine, a chemically defined organic compound. It falls under tariff item 2939.45.00 as a salt of metamfetamine racemate, which is explicitly listed in the item description. The product meets Chapter 29 requirements as a separate chemically defined compound, and its classification is supported by the subheading note covering derivatives of ephedra alkaloids.
2939.45.00Levomethamphetamine Base (Freebase)
Levomethamphetamine Base (Freebase) is the pure freebase form of levomethamphetamine, a chemically defined organic compound. It is explicitly covered under tariff item 2939.45.00, which includes levometamfetamine and its salts. As an alkaloid of ephedra, it qualifies under Chapter 29 as a separate chemically defined compound, regardless of being in freebase rather than salt form.
2939.45.00Levomethamphetamine Hydrochloride
Levomethamphetamine Hydrochloride is the hydrochloride salt of levomethamphetamine, a chemically defined organic compound. It falls under tariff item 2939.45.00 as a salt of levometamfetamine, which is explicitly included in the item description. The product meets Chapter 29 requirements as a separate chemically defined compound and is a derivative of ephedra alkaloids.
2939.45.00L-Methamphetamine Tartrate
L-Methamphetamine Tartrate is the tartrate salt of levomethamphetamine, a chemically defined organic compound. It falls under tariff item 2939.45.00 as a salt of levometamfetamine, which is explicitly listed in the item description. The product is an ephedra alkaloid derivative and meets Chapter 29 requirements as a separate chemically defined compound, with the tartrate salt providing pharmaceutical stability.
2939.45.00Methamphetamine Sulfate Salt
Methamphetamine Sulfate Salt is the sulfate salt of methamphetamine (INN), a chemically defined organic compound. It falls under tariff item 2939.45.00 as a salt of metamfetamine (INN), which is explicitly included in the item description. The product meets Chapter 29 requirements as a separate chemically defined compound and is used as an analytical standard, being an ephedra alkaloid derivative.
2939.49.00Ephedrine Hydrochloride
Ephedrine hydrochloride is the hydrochloride salt of ephedrine, a natural alkaloid derived from Ephedra plants, reproduced by synthesis for pharmaceutical use. It is an alkaloid of ephedra and a salt thereof, falling under tariff item 2939.49.00 as 'Other' alkaloids of ephedra and their derivatives.
2939.49.00Ephedrine Sulfate Powder
Ephedrine sulfate is the sulfuric acid salt of ephedrine alkaloid, synthesized for injectable pharmaceutical applications and asthma treatment. It is an alkaloid of ephedra and a salt thereof, classified under tariff item 2939.49.00 as 'Other' alkaloids of ephedra and their derivatives.
2939.49.00Methylephedrine
Methylephedrine is an N-methylated ether derivative of ephedrine, synthesized as a bronchodilator in some Asian markets. It is a derivative of ephedra alkaloids, falling under tariff item 2939.49.00 as 'Other' alkaloids of ephedra and their derivatives.
2939.49.00Phenylpropanolamine Hydrochloride
Phenylpropanolamine hydrochloride is a synthetic ephedrine derivative salt used historically as an appetite suppressant and decongestant. It is an alkaloid of ephedra and a salt thereof, classified under tariff item 2939.49.00 as 'Other' alkaloids of ephedra and their derivatives.
2939.49.00Pseudoephedrine Hydrochloride USP
Pseudoephedrine hydrochloride is the USP-grade salt of pseudoephedrine, an ephedra alkaloid stereoisomer synthesized for OTC cold medications. It is an alkaloid of ephedra and a salt thereof, falling under tariff item 2939.49.00 as 'Other' alkaloids of ephedra and their derivatives.