4-Amino-6-chloro-m-benzenedisulfonamide from Mexico
This is a specific sulfonamide compound classified under HTS 2935.90.06.00 as a chemically defined organic compound containing sulfonamide groups. It is primarily used as an intermediate in pharmaceutical synthesis for carbonic anhydrase inhibitors and in agricultural chemical production. The product falls under Chapter 29 heading 2935 for sulfonamides other than those of subheading 2935.10.
Duty Rate — Mexico → United States
Rate breakdown
Import Tips
• Provide detailed chemical analysis (NMR, HPLC) certificates confirming identity as 4-Amino-6-chloro-m-benzenedisulfonamide to match exact HTS specification
• Include Safety Data Sheets (SDS) and confirm <99% purity to avoid pharmaceutical finished product classification under Chapter 30
• Declare intended use as chemical intermediate; mixtures exceeding Chapter 29 notes may shift to heading 3824