Promethazine Hydrochloride USP from United States
Promethazine hydrochloride USP is a phenothiazine derivative used as an antihistamine, antiemetic, and sedative. It contains a phenothiazine ring-system that is not further fused, qualifying for tariff item 2934.30.00.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product meets USP grade specifications and is a separate chemically defined compound
• Provide the certificate of analysis and structural formula to CBSA
• Check if the product requires a Drug Identification Number for importation