Sulfadiazine API

Sulfadiazine is an aromatic imine-function sulfonamide antibiotic used for toxoplasmosis and bacterial infections. It qualifies under HTS 2925.29.20.00 as a drug with primary imine characteristics in its molecular structure. Bulk imported for hospital pharmacy compounding.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³China6.5%+25.0%31.5%
πŸ‡²πŸ‡½Mexico6.5%β€”6.5%
πŸ‡¨πŸ‡¦Canada6.5%β€”6.5%
πŸ‡©πŸ‡ͺGermany6.5%β€”6.5%
πŸ‡―πŸ‡΅Japan6.5%β€”6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2935Lower: 16.5% vs 31.5%

If sulfathiazole salt form predominates

Sulfonamides specifically provided for in 2935 take precedence over imine classification.

2941.10.50.00Lower: Free vs 31.5%

If when classified as penicillin derivative

Penicillin and derivatives in 2941 supersede Chapter 29 classification.

3003.39Lower: 10% vs 31.5%

If in bulk medicinal packages over 3kg

Bulk medicaments for further manufacture classified in Chapter 30.

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Import Tips & Compliance

β€’ Submit Type II DMF with bacterial endotoxin specifications for injectable formulations

β€’ Include sulfonamide hypersensitivity warnings in safety data sheets

β€’ Verify 'drugs' specification through pharmacopeial monograph reference