NOW FOR USA HTS Harmonized Tariff Schedule (2025 Basic Edition)
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Harmonized Tariff Schedule (2025 Basic Edition)

Heading Duty(general) Duty(china) Article Description Compare Code
3821.00.00.10 5%    Viral transport media --
3821.00.00.90 5%    Other vs-3821000010
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 than those of heading 3006; certified reference materials:
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:
vs-3821000090
3822.11.00.00 Free    For malaria vs-3822
3822.12.00.00 Free    For Zika and other diseases transmitted by mosquitoes of the genus Aedes vs-3822110000
3822.13.00.00 Free    For blood-grouping vs-3822120000
3822.19.00 Free    Other
Containing antigens or antisera:
vs-3822130000
3822.19.00.10 Free    Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride vs-38221900
3822.19.00.30 Free    Other
Other:
vs-3822190010
3822.19.00.40 Free    Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride vs-3822190030
3822.19.00.80 Free    Other vs-3822190040
3822.90.00.00 Free    Certified reference materials vs-3822190080
3823     Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols:
Industrial monocarboxylic fatty acids; acid oils from refining:
vs-3822900000
3823.11.00.00 2.1¢/kg + 3.8%  The duty provided in the applicable subheading + 7.5%  Stearic acid vs-3823
3823.12.00.00 2.1¢/kg + 3.2%  The duty provided in the applicable subheading + 7.5%  Oleic acid vs-3823110000
3823.13.00 3.2%  The duty provided in the applicable subheading + 7.5%  Tall oil fatty acids vs-3823120000
3823.13.00.20 3.2%  The duty provided in the applicable subheading + 7.5%  Containing less than two percent rosin vs-38231300
3823.13.00.40 3.2%  The duty provided in the applicable subheading + 7.5%  Other vs-3823130020
3823.19     Other: vs-3823130040
3823.19.20.00 2.3%  The duty provided in the applicable subheading + 7.5%  Derived from coconut, palm-kernel or palm oil vs-382319