Phenothiazine API USP Grade from Japan
Phenothiazine API USP Grade is the parent compound of the phenothiazine ring-system, used as a building block for drug synthesis. It is a separate chemically defined organic compound with a phenothiazine ring-system that is not further fused, qualifying for tariff item 2934.30.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm the product meets USP grade specifications and is not mixed with other substances
• Have the certificate of analysis and safety data sheet available
• Verify if the product is intended for pharmaceutical use, which may require Health Canada notification