Sulfathiazole USP Reference Standard
Certified reference material of sulfathiazole USP for analytical laboratory testing and quality control in pharmaceutical manufacturing. Classifies under HTS 2935.90.3300 as the named sulfonamide anti-infective even when used as standard. Provided in small quantities with CoA verifying identity and purity.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If diagnostic reagents containing sulfathiazole
Lab reagents for analysis may classify under 3822 if primary function is diagnostic rather than chemical reference.
If incorporated into finished laboratory analytical instruments
Chemical standards physically incorporated into lab equipment classify as parts of instruments.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include USP certificate and intended use documentation to justify reference standard status
• Package in child-resistant containers if quantity exceeds lab use thresholds
• Declare exact quantity and purity to avoid scrutiny as commercial drug quantities
Related Products under HTS 2935.90.33.00
Sulfathiazole Powder USP
Pharmaceutical-grade sulfathiazole powder meeting USP standards, a synthetic sulfonamide antibiotic used primarily as an anti-infective agent against bacterial infections. Classified under HTS 2935.90.3300 as a separate chemically defined organic sulfonamide compound typically used in drug formulations. It falls within the sulfonamides subheading for anti-infective drugs.
Sulfathiazole Sodium API
Sodium salt of sulfathiazole, a water-soluble sulfonamide anti-infective agent used in injectable drug formulations. Specifically named in HTS 2935.90.3300 as a bulk active pharmaceutical ingredient (API) under the sulfonamides category for anti-infective drugs. Meets Chapter 29 requirements for chemically defined organic compounds.
Sulfathiazole Bulk Pharmaceutical Chemical
High-purity bulk sulfathiazole for compounding into veterinary and human anti-bacterial medications. As a sulfonamide anti-infective drug, it precisely matches HTS 2935.90.3300 classification for separate chemically defined compounds. Supplied as fine white powder for further pharmaceutical processing.
Sodium Sulfathiazole Injectable Grade
Pharmaceutical grade sodium sulfathiazole optimized for sterile injectable applications against susceptible bacterial infections. Specifically enumerated in HTS 2935.90.3300 as a bulk API sulfonamide anti-infective per the drugs subheading. Supplied as lyophilized powder requiring reconstitution.
Sulfathiazole Veterinary Grade Powder
Veterinary-grade sulfathiazole powder for compounding antibiotic treatments in livestock and companion animals. Falls under HTS 2935.90.3300 as the named sulfonamide typically used as anti-infective drug substance. Chemically defined per Chapter 29 requirements without Chapter exclusions.