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Harmonized Tariff Schedule (2025 HTS Revision 6 (04/02/2025))

Heading Duty(general) Duty(china) Article Description Compare Code
2935     Sulfonamides: --
2935.10.00.00 6.5%    N-Methyl perfluorooctane sulfonamide vs-2935
2935.20.00.00 6.5%    N-Ethyl perfluorooctane sulfonamide vs-2935100000
2935.30.00.00 6.5%    N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide vs-2935200000
2935.40.00.00 6.5%    N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamide vs-2935300000
2935.50.00.00 6.5%    Other perfluorooctane sulfonamides vs-2935400000
2935.90     Other: vs-2935500000
2935.90.06.00 6.5%    4-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam) vs-293590
2935.90.10.00 6.5%     2-Amino-N-ethylbenzenesulfonanilide; 5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide; Benzenesulfonamide; Benzenesulfonyl hydrazide; 2-Chloro-4-amino-5-hydroxybenzenesulfonamide; 2,5-Dimethoxysulfanilanilide; and Metanilamide vs-2935900600
2935.90.13.00 Free    (5‐[2‐Chloro‐4‐ (trifluoromethyl)phenoxy]‐N‐ (methylsulfonyl)‐2‐nitrobenzamide) (Fomesafen); N‐(2,6‐Dichloro‐3‐ methylphenyl)‐5‐ amino‐1,3,4‐triazole‐2‐sulfonamide; 2,4‐Dichloro‐5‐ sulfamoylbenzoic acid; N‐Ethyl‐o‐ toluenesulfonamide; N‐Ethyl‐p‐toluenesulfonamide; 7-(Hexadecylsulfonylamino) ‐1H‐indole; Methyl 5‐{[(4,6‐dimethoxy‐2‐pyrimidinyl)amino]‐ carbonylaminosulfonyl} ‐3‐chloro‐1‐methyl‐1H‐pyrazole‐4‐carboxylate (Halosulfuron methyl); and Mixtures of ortho‐ and para-toluenesulfonamides vs-2935901000
2935.90.15.00 6.5%    o-Toluenesulfonamide
Other:
vs-2935901300
2935.90.20.00 6.5%    Fast color bases and fast color salts
Drugs:
Anti-infective agents:
vs-2935901500
2935.90.29.00 Free    Acetylsulfaguanidine vs-2935902000
2935.90.30.00 Free    Sulfamethazine vs-2935902900
2935.90.32.00 6.5%    Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium vs-2935903000
2935.90.33.00 Free    Sulfathiazole and Sulfathiazole, sodium vs-2935903200
2935.90.42.00 Free    Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine vs-2935903300
2935.90.48.00 6.5%    Other vs-2935904200
2935.90.60.00 6.5%    Other
Other:
vs-2935904800
2935.90.75.00 6.5%     Products described in additional U.S. note 3 to section VI vs-2935906000