Melatonin USP Powder
Melatonin USP Powder is a synthetic pineal hormone used primarily for regulating sleep-wake cycles and as a dietary supplement ingredient. As a hormone derivative used primarily as a hormone for therapeutic purposes, it is classified under tariff item 2937.90.00. This pure powder meets USP standards for pharmaceutical or nutraceutical use.
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 the product is extracted from natural sources
Natural alkaloids and their derivatives are classified under heading 29.39.
If imported in tablet or capsule form for retail sale
Medicaments in measured doses fall under heading 30.04.
If imported as a food supplement in retail packaging
Food supplements not elsewhere specified may fall under heading 21.06.
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 not put up in measured doses or retail packaging, which would trigger classification under heading 30.04
• If importing for natural health products, verify compliance with Health Canada's Natural and Non-prescription Health Products Directorate
• Maintain documentation showing USP grade and synthetic origin
Related Products under Tariff item 2937.90.00
Adrenaline Hydrochloride EP Grade
Adrenaline hydrochloride EP grade is the hydrochloride salt of epinephrine, a catecholamine hormone, used primarily for its hormonal effects in emergency auto-injectors. As a salt of a hormone of heading 29.37, it is classified under this 'other' tariff item.
Calcitonin Salmon Recombinant
Recombinant salmon calcitonin is a synthetic polypeptide chain-modified derivative of the natural hormone calcitonin. It is used primarily for treating osteoporosis and hypercalcemia by regulating calcium metabolism. It is classified under 2937.90.00 as an amino-acid derivative hormone used primarily for hormonal effects.
Calcitonin Salmon Synthetic
Calcitonin Salmon Synthetic is a polypeptide hormone produced by chemical synthesis, used primarily in the treatment of osteoporosis and other bone disorders. As a chain-modified polypeptide hormone reproduced by synthesis, it falls under tariff item 2937.90.00, which covers hormones and their derivatives used primarily as hormones. This bulk API powder is intended for pharmaceutical manufacturing or compounding.
Desmopressin Acetate
Desmopressin acetate is a synthetic analogue of vasopressin, an antidiuretic hormone used primarily for treating diabetes insipidus. This chain-modified polypeptide is reproduced by synthesis and acts on vasopressin receptors. It is classified under 2937.90.00 as a structural analogue of hormones used primarily for hormonal effects.
DHEA (Dehydroepiandrosterone) Micronized Powder
DHEA (Dehydroepiandrosterone) Micronized Powder is a synthetic steroid hormone precursor used primarily for hormonal supplementation and as an intermediate in hormone synthesis. As a structural analogue of hormones used primarily for hormonal effects, it is classified under tariff item 2937.90.00. The micronized form is a bulk powder for nutraceutical or pharmaceutical applications.
Dobutamine Hydrochloride
Dobutamine hydrochloride is a synthetic catecholamine derivative used primarily as a hormone in cardiac stress testing and heart failure treatment. As a structural analogue of hormones of heading 29.37, it is classified under this 'other' tariff item.