Indole-3-Propionic Acid from Germany
Indole-3-Propionic Acid features a three-carbon carboxylic acid chain attached to the indole ring. It is classified under tariff item 2933.99.00 because the indole heterocyclic structure takes precedence over the carboxylic acid function. This compound is used as a neurotransmitter precursor and antioxidant in research applications.
Duty Rate — Germany → Canada
0%
Import Tips
• Provide the CAS number (830-96-6) and purity analysis on shipping documents
• If the product is for research use only, indicate this on the invoice to avoid unnecessary regulatory scrutiny
• Verify that the product is not formulated for pharmaceutical retail sale