Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2935.90.42.00Tariff line
Classification path
Sulfonamides
2935
Other
Other
Drugs
Anti-infective agents
Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine
2935.90.42.00
Rates of duty
General rate (Column 1)Free
Special—
Column 215.4¢/kg + 128.5%
Unitkg
Printed page 1570
Measure flags
for origin CN, entry date 2026-10-25 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301: not on any listN/A—8-digit subheading 2935.90.42 is not on Lists 1–4B or the four-year-review lists
- PGAFDA FD2 · required
Confirmed total 12.5% · max 12.5%Full duty breakdown →