NOW FOR USA HTS Harmonized Tariff Schedule (2024 HTS Revision 9)
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Harmonized Tariff Schedule (2024 HTS Revision 9)

Heading Duty(general) Duty(china) Article Description Compare Code
2934     Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: --
2934.10     Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure:
Aromatic or modified aromatic:
vs-2934
2934.10.10.00 6.5%   The duty provided in the applicable subheading + 25%  Products described in additional U.S. note 3 to section VI vs-293410
2934.10.20.00 6.5%  The duty provided in the applicable subheading + 25%  Other
Other:
vs-2934101000
2934.10.70.00 Free  The duty provided in the applicable subheading + 15%  4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-n-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride vs-2934102000
2934.10.90.00 6.5%   The duty provided in the applicable subheading + 25%  Other vs-2934107000
2934.20     Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused: vs-2934109000
2934.20.05.00 6.5%  The duty provided in the applicable subheading + 15%  N-tert-Butyl-2-benzothiazolesulfenamide vs-293420
2934.20.10.00 6.5%  The duty provided in the applicable subheading + 25%  2,2'-Dithiobisbenzothiazole vs-2934200500
2934.20.15.00 6.5%  The duty provided in the applicable subheading + 25%  2-Mercaptobenzothiazole; andN-(Oxydiethylene)benzothiazole-2-sulfenamide vs-2934201000
2934.20.20.00 6.5%  The duty provided in the applicable subheading + 25%  2-Mercaptobenzothiazole, sodium salt (2-Benzothiazolethiol, sodium salt) vs-2934201500
2934.20.25.00 Free  The duty provided in the applicable subheading + 25%  2-Amino-5,6-dichloro benzo thiazole; 2-(4-Amino phenyl)-6-methyl benzo thiazole-7- sulfonic acid; 2-Amino-6-nitro benzo thiazole; andN,N-Di cyclo hexyl-2-benzo thiazole sulfenamide vs-2934202000
2934.20.30.00 5.8%  The duty provided in the applicable subheading + 25%  2-Amino-6-methoxy benzo thiazole; 2-Amino-6-methyl benzo thiazole; 6-Ethoxy-2-benzo thiazo lethiol; 3-Methyl benzo thiazole-2-hydrazone; and Primuline base
Other:
vs-2934202500
2934.20.35.00 6.5%  The duty provided in the applicable subheading + 25%  Pesticides
Other:
vs-2934203000
2934.20.40.00 6.5%   The duty provided in the applicable subheading + 25%  Products described in additional U.S. note 3 to section VI vs-2934203500
2934.20.80.00 6.5%  The duty provided in the applicable subheading + 15%  Other vs-2934204000
2934.30     Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fused: vs-2934208000
2934.30.12.00 6.5%    2-(Trifluoromethyl)phenothiazine vs-293430
2934.30.18.00 Free    Ethyl (1H-phenothiazin-2,4,1)carbamate
Other:
Drugs:
vs-2934301200
2934.30.23.00 6.5%    Antidepressants, tranquilizers and other psychotherapeutic agents vs-2934301800