Methylephedrine
Methylephedrine is an N-methylated derivative of ephedrine, synthesized as a bronchodilator in some Asian markets. It is an ether derivative of an ephedra alkaloid, and as a separate chemically defined organic compound, it falls under tariff item 2939.49.00 as 'Other' derivatives of ephedra alkaloids.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the exact chemical structure and CAS number (552-79-4) for methylephedrine on shipping documents
• Since it is a derivative, ensure it is not more specifically covered elsewhere in the tariff
• Check for any restrictions under the Controlled Drugs and Substances Act if used as a precursor
Related Products under Tariff item 2939.49.00
Ephedrine Hydrochloride
Ephedrine hydrochloride is the hydrochloride salt of ephedrine, a natural alkaloid derived from Ephedra plants, reproduced by synthesis for pharmaceutical use. It is a separate chemically defined organic compound, a salt of an ephedra alkaloid, and therefore falls under tariff item 2939.49.00 as 'Other' alkaloids of ephedra and their derivatives.
Ephedrine Sulfate Powder
Ephedrine sulfate is the sulfuric acid salt of ephedrine alkaloid, synthesized for injectable pharmaceutical applications and asthma treatment. As a salt of an ephedra alkaloid, it is a separate chemically defined organic compound, classifiable under tariff item 2939.49.00 as 'Other' ephedra alkaloid salts.
Phenylpropanolamine Hydrochloride
Phenylpropanolamine hydrochloride is a synthetic ephedrine derivative salt used historically as an appetite suppressant and decongestant. As a salt of an ephedra alkaloid derivative, it is classifiable under tariff item 2939.49.00 as 'Other' ephedra alkaloid derivatives, given its structural similarity to ephedrine.
Pseudoephedrine Hydrochloride USP
Pseudoephedrine hydrochloride is the USP-grade salt of pseudoephedrine, an ephedra alkaloid stereoisomer synthesized for OTC cold medications. As a salt of an ephedra alkaloid, it is a separate chemically defined organic compound, falling under tariff item 2939.49.00 as 'Other' ephedra alkaloid salts.