Pharmaceutical Grade Chlorosulfuric Acid from Japan
Ultra-pure chlorosulfuric acid meeting cGMP standards for sulfonation in active pharmaceutical ingredient (API) synthesis, such as sulfonamide antibiotics. It is a separate chemically defined compound, classifiable under Chapter 28 Note 1(a), and not excluded by Chapter 28 Note 3.
Duty Rate — Japan → Canada
0%
Import Tips
• Maintain documentation proving cGMP compliance and purity for health-related imports
• Ensure the product is labeled with proper hazard warnings and that the importer holds any necessary permits for controlled substances if applicable