Isothipendyl Hydrochloride
Isothipendyl hydrochloride is a phenothiazine antihistamine used for allergies and as a mild sedative. The compound contains a phenothiazine ring-system without further fusion, qualifying for tariff item 2934.30.00.
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 |
PGA flags (2)Show detailsHide detailsHCActive Pharmaceutical IngredientsMay be requiredHCHuman DrugsMay be required
- HC
Active Pharmaceutical Ingredients · May be required
May require HC Active Pharmaceutical Ingredients depending on intended use (HC13) and Canadian product category (HC01). Matching criteria: Starts With 2934. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
- HC
Human Drugs · May be required
May require HC Human Drugs depending on intended use (HC01, HC02, HC05, HC07, HC29, HC31) and Canadian product category (HC05, HC06, HC07, HC08, HC09, HC10). Matching criteria: Starts With 2934. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
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 structure is not a phenothiazine ring-system
Residual classification for other heterocyclic compounds.
If imported in retail packaging
Finished pharmaceutical products are classified in Chapter 30.
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 product is a single chemically defined compound and not a mixture of isomers
• Have the certificate of analysis ready for customs
• Check if the product requires a Drug Establishment Licence for importation
Related Products under Tariff item 2934.30.00
2-(Trifluoromethyl)phenothiazine
2-(Trifluoromethyl)phenothiazine is a chemically defined heterocyclic compound featuring a phenothiazine ring-system with a trifluoromethyl substituent at the 2-position. It is not further fused and contains no additional ring structures, meeting the tariff item's description.
2-(Trifluoromethyl)phenothiazine Pharmaceutical Intermediate
This high-purity 2-(trifluoromethyl)phenothiazine is manufactured as a key building block for antipsychotic drug synthesis. Its precise chemical structure, featuring a phenothiazine ring-system without further fusion, aligns with tariff item 2934.30.00.
Chlorpromazine Base
Chlorpromazine base is a foundational phenothiazine antipsychotic medication used to treat schizophrenia and severe nausea. Its molecular structure contains a phenothiazine ring-system that is not further fused, which is the defining characteristic of tariff item 2934.30.00. As a separate chemically defined organic compound, it qualifies for classification under this heading.
Chlorpromazine Hydrochloride
Chlorpromazine hydrochloride is a phenothiazine derivative used as an antipsychotic for treating schizophrenia and severe agitation. It contains a phenothiazine ring-system that is not further fused, meeting tariff item 2934.30.00.
Diethazine Hydrochloride
Diethazine hydrochloride is an older phenothiazine derivative with anticholinergic properties, used to treat extrapyramidal symptoms. It contains the phenothiazine ring-system without further fusion, qualifying for classification under tariff item 2934.30.00.
Ethopropazine Hydrochloride
Ethopropazine hydrochloride is a phenothiazine anticholinergic used to relieve symptoms of Parkinson's disease. Its structure features a phenothiazine ring-system that is not further fused, making it classifiable under tariff item 2934.30.00.