Harmonized Tariff Schedule of the U.S. › Chapter 38 Miscellaneous chemical products
3821.00.00.90Tariff line
Classification path
Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells
3821
Other
3821.00.00.90
Rates of duty
General rate (Column 1)5%
SpecialFree (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 225%
Unitkg
Free (A+, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1671
Measure flags
for origin CN, entry date 2026-10-26 · base rate 5%
- 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 3821.00.00 is not on Lists 1–4B or the four-year-review lists
- PGAFDA FD1APHIS Core AQ1EPA EP7
Confirmed total 17.5% · max 17.5%Full duty breakdown →