D(-)-p-Hydroxyphenylglycine Tromethamine Salt from United States
D(-)-p-Hydroxyphenylglycine Tromethamine Salt is an organic salt formed between the amino-acid-phenol and tromethamine, classified per Chapter 29 note (C)(2) with the later numerical heading. It is used for pH-buffered pharma formulations.
Duty Rate — United States → Canada
0%
Import Tips
• Classify the tromethamine salt with the parent compound
• Provide the salt's composition and intended use to CBSA for accurate tariff assessment