Harmonized Tariff Schedule of the U.S. › Chapter 29 Organic chemicals
2930.90.49.40Tariff line
Classification path
Organo-sulfur compounds
2930
Other
Other
Other
Acids
Other
Mercaptocarboxylic acids
Acetylcysteine (INN) and its salts
2930.90.49.40
Rates of duty
General rate (Column 1)4.2%
SpecialFree (A+, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
Unitkg
Free (A+, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1533
Measure flags
for origin CN, entry date 2026-10-26 · base rate 4.2%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2930.90.49 is on L3
- PGAEPA EP7
Confirmed total 41.7% · max 41.7%Full duty breakdown →