Ritodrine Hydrochloride
Ritodrine hydrochloride is a tocolytic agent used in pharmaceutical preparations to manage preterm labor. Its molecular structure contains an unfused thiazole ring, which places it under tariff item 2934.10.00 for heterocyclic compounds with such rings. This chemically defined organic compound is imported in bulk for further processing into finished dosage forms.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the compound is not specifically a thiazole derivative
Other heterocyclic compounds with nitrogen hetero-atom(s) only may be classified here if the thiazole ring is absent.
If imported in measured doses or packaged for retail sale
Section note 2 directs goods put up in measured doses or 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 accompanied by a valid certificate of analysis confirming its chemical identity and purity, as CBSA may request it for verification of tariff classification
• If importing for pharmaceutical use, verify whether a Drug Establishment Licence from Health Canada is required before the goods arrive at the border
• Keep records of the import transaction for at least six years, as required by CBSA for audit purposes
Related Products under Tariff item 2934.10.00
2,4-Thiazolidinedione
2,4-Thiazolidinedione is the core structure for glitazone antidiabetic drugs such as pioglitazone, featuring a saturated thiazolidine ring (hydrogenated thiazole). Its unfused thiazole ring, whether or not hydrogenated, is the basis for classification under tariff item 2934.10.00. This chemically defined compound is imported in bulk for pharmaceutical synthesis.
2-Acetylamino-5-nitrothiazole
2-Acetylamino-5-nitrothiazole is a nitro-substituted thiazole compound used as an intermediate in veterinary pharmaceutical synthesis. The unfused thiazole ring in its structure is the basis for classification under tariff item 2934.10.00. It is a chemically defined organic compound imported in bulk for industrial processing.
2-Aminothiazole
2-Aminothiazole is an aromatic heterocyclic compound with an unfused thiazole ring and an amino group at the 2-position. It is used primarily as a pharmaceutical intermediate. The structure directly matches tariff item 2934.10.00.
2-Aminothiazole-4-Acetic Acid
2-Aminothiazole-4-acetic acid is a thiazole derivative featuring an amino group and an acetic acid moiety on the aromatic ring. It is a key intermediate in the synthesis of cephalosporin antibiotics, and its structure contains an unfused thiazole ring, qualifying it under tariff item 2934.10.00.
2-Mercaptothiazoline
2-Mercaptothiazoline features a hydrogenated thiazole ring (thiazoline) with a mercapto group. It is used in rubber vulcanization. The hydrogenated thiazole ring is covered by tariff item 2934.10.00, which includes 'whether or not hydrogenated'.
2-Methyl-4-Amino-5-Hydroxymethylpyrimidine Thiazole Intermediate
2-Methyl-4-amino-5-hydroxymethylpyrimidine thiazole intermediate is a key intermediate for thiamine synthesis. It contains an unfused thiazole ring and is used exclusively in pharmaceutical chemical manufacturing. The structure matches the description of tariff item 2934.10.00.