Sulfathiazole USP Reference Standard from China
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.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• 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