Harmonized Tariff Schedule of the U.S. › Chapter 38 Miscellaneous chemical products
3822.19.00.10Tariff line
Classification path
Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, other than those of heading 3006; certified reference materials
3822
Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits
Other
Containing antigens or antisera
Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride
3822.19.00.10
Rates of duty
General rate (Column 1)Free
Special—
Column 225%
Unitkg
Printed page 1671
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 3822.19.00 is not on Lists 1–4B or the four-year-review lists
- PGAFDA FD1APHIS Core AQ1
Confirmed total 12.5% · max 12.5%Full duty breakdown →