Levodopa (L-DOPA)
Levodopa (L-DOPA) is a direct precursor and structural analogue of dopamine, functioning as a catecholamine hormone prodrug. As a chemically defined organic compound used primarily for hormonal effects, it falls under this tariff item when in bulk form.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in measured doses or retail sale form
Section note 2 applies to dosage forms.
If not used primarily as a hormone
Levodopa could be classified as an amino-alcohol compound if not for its hormonal use.
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
• Ensure the product is in bulk powder form, not in tablets or capsules
• Provide the certificate of analysis and enantiomeric purity to CBSA
• Check if the import requires a drug identification number (DIN) from Health Canada
Related Products under Tariff item 2937.90.00
Adrenaline Hydrochloride EP Grade
Adrenaline hydrochloride EP grade is a pharmacopoeia-compliant salt of epinephrine, a catecholamine hormone. It is used primarily for hormonal effects in emergency auto-injectors, and as a bulk chemical it falls under this tariff item.
Dobutamine Hydrochloride
Dobutamine hydrochloride is a synthetic catecholamine derivative used primarily as a hormone for cardiac stress testing and heart failure. As a structural analogue of natural catecholamine hormones, it falls under this tariff item when in bulk form.
Dopamine Hydrochloride
Dopamine hydrochloride is the salt of dopamine, a natural catecholamine hormone used primarily for renal perfusion in shock therapy. As a chemically defined hormone salt in bulk form, it is classifiable under this tariff item.
Epinephrine Base Pure (>99%) Pharmaceutical Grade
Epinephrine free base in highly purified form (>99%) is a separate chemically defined catecholamine hormone. It is used primarily for its hormonal effects in pharmaceutical synthesis of injectables and inhalers, and is not put up in measured doses or for retail sale.
Epinephrine Bitartrate
Epinephrine bitartrate is the bitartrate salt of epinephrine, a catecholamine hormone used primarily for emergency treatment of anaphylaxis and cardiac arrest. As a bulk chemical salt, it falls under this tariff item.
Epinephrine Bitartrate Powder USP
Epinephrine bitartrate powder is the bitartrate salt of epinephrine, a catecholamine hormone. As an inorganic salt of an organic compound, it is classified with the parent hormone under Chapter 29, and is used primarily for hormonal effects in compounded pharmaceuticals.