Pharma-Grade Tetramethylguanidine Base from Germany
Pharmaceutical-grade tetramethylguanidine base meeting USP standards, a chemically defined imine-function compound used as a drug synthesis intermediate. It is classified under tariff item 2925.29.00 as an imine derivative, and is not excluded by Chapter 29 notes as an immunological product.
Duty Rate — Germany → Canada
0%
Import Tips
• Ensure the product is accompanied by a certificate of analysis confirming USP grade and chemical identity to support classification under 2925.29.00
• Declare the end use as a pharmaceutical intermediate to avoid queries from CBSA
• Keep records of the manufacturing process to prove it is chemically defined and not a mixture