Other
Heterocyclic compounds with oxygen hetero-atom(s) only. > Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: > Other fentanyls and their derivatives > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2935.90.00
2,4-Dichloro-5-Sulfamoylbenzoic Acid
2,4-Dichloro-5-sulfamoylbenzoic acid is a key intermediate in sulfonamide herbicide synthesis and pharmaceutical manufacturing. As a chemically defined organic compound with a sulfonamide group, it falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified.
2,5-Dimethoxysulfanilanilide
2,5-Dimethoxysulfanilanilide is a methoxylated sulfonanilide derivative, a chemically defined organic compound with sulfonamide functionality. Used in dye chemistry, it falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified.
2-Amino-N-ethylbenzenesulfonanilide
2-Amino-N-ethylbenzenesulfonanilide is a complex sulfonamide derivative with amino, ethyl, and anilino substitutions on a benzenesulfonamide core. As a chemically defined organic compound, it falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified.
2-Chloro-4-amino-5-hydroxybenzenesulfonamide
2-Chloro-4-amino-5-hydroxybenzenesulfonamide is a halogenated and hydroxylated sulfonamide, a chemically defined organic compound. Used as an intermediate in pharmaceutical synthesis, it falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified.
4-Amino-6-chloro-m-benzenedisulfonamide
4-Amino-6-chloro-m-benzenedisulfonamide is a chemically defined organic compound containing sulfonamide groups, used primarily as an intermediate in pharmaceutical synthesis. It falls under tariff item 2935.90.00 as a sulfonamide compound not elsewhere specified.
4-Amino-6-chloro-m-benzenedisulfonamide Technical Grade
Technical grade 4-Amino-6-chloro-m-benzenedisulfonamide (95-98% purity) qualifies as a chemically defined organic compound containing sulfonamide groups, even with impurities. Used as an intermediate in pharmaceutical synthesis, it falls under tariff item 2935.90.00 as a sulfonamide compound not elsewhere specified.
5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide
5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide is a fluorinated disulfonamide with a trifluoromethyl group and dual sulfonamide functionalities. As a chemically defined organic compound, it falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified.
7-(Hexadecylsulfonylamino)-1H-Indole
7-(Hexadecylsulfonylamino)-1H-indole is a specialty sulfonamide used in pharmaceutical intermediate synthesis and organic electronics research. As a chemically defined organic compound, it falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified.
Asulam (Methyl-4-aminobenzenesulfonylcarbamate)
Asulam (Methyl-4-aminobenzenesulfonylcarbamate) is a sulfonamide herbicide used for broadleaf weed control in cereals and turf. As a chemically defined organic compound with a sulfonamide group, it falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified.
Asulam Sodium Salt
Asulam sodium salt is the sodium salt form of Methyl-4-aminobenzenesulfonylcarbamate, a sulfonamide herbicide. Per Chapter 29 note 5(C)(1), inorganic salts of organic compounds are classified in the heading appropriate to the organic compound, so it falls under tariff item 2935.90.00.
Asulam Stabilized with Anticaking Agent
Asulam stabilized with an anticaking agent (silica, <1%) falls under tariff item 2935.90.00 as a sulfonamide compound. Chapter 29 note 1(f) allows added stabilizers necessary for preservation or transport, provided they do not render the product suitable for a specific use.
Benzenesulfonamide
Benzenesulfonamide is a chemically defined organic compound with a sulfonamide functional group attached to a benzene ring. It falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified, used in various chemical syntheses.
Benzenesulfonyl Hydrazide
Benzenesulfonyl hydrazide is a sulfonamide derivative consisting of a benzene ring linked to a sulfonyl hydrazide group. As a chemically defined organic compound, it falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified.
Fomesafen Sodium Salt
Fomesafen sodium salt is the water-soluble form of the fomesafen herbicide active ingredient, used in liquid herbicide formulations. As a salt of a sulfonamide compound, it falls under tariff item 2935.90.00 per Chapter 29 note 5(C)(1).
Metanilamide
Metanilamide (3-aminobenzenesulfonamide) is a specific sulfonamide isomer, a chemically defined organic compound. It falls under tariff item 2935.90.00 as a sulfonamide not elsewhere specified, used as an intermediate in pharmaceutical synthesis.