Dyphylline API from Japan
Dyphylline is 7-(2,3-dihydroxypropyl)theophylline, a theophylline derivative used as a bronchodilator. It is a separate chemically defined compound, classified under tariff item 2939.59.00 as 'Other' theophylline derivatives. The product is a pure active pharmaceutical ingredient (API).
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the API meets pharmacopoeial standards (e.g
• USP) to avoid customs delays
• Provide a letter of attestation for the product's intended use
• Verify if a Drug Establishment Licence (DEL) is required for the importer