PhenoCarb-Ethyl™ Research Grade Phenothiazine Derivative
PhenoCarb-Ethyl™ is a research-grade ethyl (1H-phenothiazin-2,4,1)carbamate supplied in small quantities for medicinal chemistry and SAR studies. Its defined phenothiazine-carbamate structure falls under 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 |
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 product is not a pure phenothiazine derivative
Other heterocyclic compounds may apply if the structure is not precisely defined.
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 labeled for research use only to avoid pharmaceutical regulations
• Provide a material safety data sheet for customs clearance
• Verify if the product requires an import permit under the Canadian Environmental Protection Act
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.