Miconazole Base
Miconazole Base is an imidazole derivative antifungal agent used as a pharmaceutical intermediate. It contains an unfused imidazole ring, classifying it as a nitrogen heterocyclic compound under tariff item 2933.29.00.
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 compound is not specifically an unfused imidazole derivative
Other nitrogen heterocyclic compounds with unfused rings may fall here if the imidazole ring is fused or modified.
If imported in measured doses or packaged for retail sale as a medicament
Section note 2 directs goods put up for retail sale to heading 30.04.
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 a separate chemically defined compound and not formulated for retail sale, as that may shift classification
• Have a Certificate of Analysis ready to confirm purity and identity for CBSA review
Related Products under Tariff item 2933.29.00
2-Imidazolidinethione (Ethylene Thiourea) Crystals
Crystalline ethylene thiourea (2-imidazolidinethione), a heterocyclic compound containing an unfused imidazole ring. It is used as a chemical intermediate in the synthesis of fungicides and as an accelerator in rubber processing.
2-Phenyl-4-Methylimidazole
2-Phenyl-4-methylimidazole, a modified aromatic imidazole derivative with a phenyl group at the 2-position and a methyl group at the 4-position. Used in photographic chemicals and as a chemical intermediate.
2-Phenylimidazole
2-Phenylimidazole, a heterocyclic compound with an unfused imidazole ring and a phenyl group at the 2-position. Used as a chemical intermediate in various applications.
2-Phenylimidazole Hydrochloride Salt
2-Phenylimidazole hydrochloride salt, a water-soluble form of 2-phenylimidazole for pharmaceutical applications. Per Chapter 29 Note 5, salts are classified with the parent organic compound.
2-Phenylimidazole Technical Grade
Technical grade 2-phenylimidazole (95-98% purity) used in epoxy resin curing agents and corrosion inhibitors. It is a heterocyclic compound with an unfused imidazole ring.
Butoconazole Nitrate
Butoconazole Nitrate is an imidazole antifungal agent featuring an unfused imidazole ring in its aromatic heterocyclic structure. It falls under tariff item 2933.29.00 for other heterocyclic compounds with nitrogen hetero-atoms only.