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HTS 2933

Heterocyclic compounds with nitrogen hetero-atom(s) only

144 lines US HTS, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20

CodeDescriptionUnitGeneralSpecialColumn 2Source
Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure
2933.11.00.00Phenazone (Antipyrine) and its derivativeskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 49.5%USITC
2933.19OtherUSITC
Aromatic or modified aromatic
2933.19.04.00Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone)kgFree15.4¢/kg + 39.5%USITC
2933.19.08.003-(5-Amino-3-methyl-1H-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;p-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(m-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazonekg5.8%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 39.5%USITC
2933.19.15.001,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)kgFree15.4¢/kg + 48.5%USITC
2933.19.18.002-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;m-Sulfaminopyrazolone (m-Sulfamido- phenyl methyl pyrazolone); and 1-(p-Sulfophenyl)-3-methyl pyrazolonekgFree15.4¢/kg + 52%USITC
Other
2933.19.23.00Pesticideskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2933.19.30Photographic chemicals6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 50%USITC
2933.19.30.10Couplers, for use in color negative photographic paperkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 50%USITC
2933.19.30.95Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 50%USITC
2933.19.35.00Drugskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 47.5%USITC
Other
2933.19.37.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.19.43.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 52%USITC
Other
2933.19.45.00Drugskg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
Other
2933.19.70.003-Methyl-5-pyrazolonekgFree30.5%USITC
2933.19.90.00Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)30.5%USITC
Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure
2933.21.00.00Hydantoin and its derivativeskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 63%USITC
2933.29OtherUSITC
Aromatic or modified aromatic
2933.29.05.001-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thioureakgFree15.4¢/kg + 52%USITC
2933.29.10.002-Phenylimidazolekg5.8%Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 39.5%USITC
Other
2933.29.20.00Drugskg6%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 51%USITC
Other
2933.29.35.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.29.43.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
Other
2933.29.45.00Drugskg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
Other
2933.29.60.00ImidazolekgFree30.5%USITC
2933.29.90.00Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)30.5%USITC
Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure
2933.31.00.00Pyridine and its saltskgFreeFreeUSITC
2933.32Piperidine and its saltsUSITC
2933.32.10.00Piperidinekg6.5%Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.32.50.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.33.01.00Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN), remifentanil (INN) and trimeperidine (INN); salts thereofkgFree15.4¢/kg + 149.5%USITC
2933.34.00.00Other fentanyls and their derivativeskg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.35.00.003-Quinuclidinolkg5.8%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 39.5%USITC
2933.36.00.004-Anilino-N-phenethylpiperidine (ANPP)kg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.37.00.00N-Phenethyl-4-piperidone (NPP)kg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.39OtherUSITC
2933.39.08.001-(3-Sulfo propyl) pyridinium hydroxide;N,N'-Bis (2,2,6,6-tetra methyl-4-piperidinyl)-1,6- hexane diamine; 3,5-Dimethyl-2-hydroxy methyl-4-methoxy- pyridine (pyrmethyl alcohol); Dipenta methylene thiuram tetra sulfide; 2H-Indol-2-one,1,3-dihydro-1-phenyl-3-(4- pyridinyl methylene); 4-Picolyl chloride hydro chloride; and Piperidino ethyl chloride hydro chloridekgFree15.4¢/kg + 52%USITC
2933.39.10.00Collidines, lutidines and picolineskgFreeFreeUSITC
2933.39.20.00p-Chloro-2-benzylpyridine; 4-Chloro-1-methylpiperidine hydrochloride; 1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one; Di-(2,2,6,6-tetramethyl-4-hydroxy- piperidine)sebacate; 2-Methyl-5-ethylpyridine; 4-Phenylpropylpyridine; α-Phenylpyridylacetic acid, methyl ester; Picolinic acid; 2-Pyridinecarboxaldehyde; and 2,5-Pyridinedicarboxylic acidkg5.8%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 39.5%USITC
Other
Pesticides
2933.39.21.00Fungicideskg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 40%USITC
Herbicides
2933.39.23.00o-Paraquat dichloridekg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 40.5%USITC
2933.39.25.00Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2933.39.27.00Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 64.5%USITC
Drugs
2933.39.31.00Antidepressants, tranquilizers and other psychotherapeutic agentskg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 149.5%USITC
2933.39.41.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 65%USITC
Other
2933.39.61Products described in additional U.S. note 3 to section VI6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.39.61.103-Quinuclidinyl benzilatekg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.39.61.201-[N,N-Dialkyl (≤C10)-N-(n-(hydroxyl, cyano, acetoxy)alkyl (≤C10)) ammonio]-n-n-[N-(3- dimethylcarbamoxy-α-picolinyl)-N,N-dialkyl (≤C10) ammonio]decane dibromide (n=1-8)kg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.39.61.301,n-Bis[N-(3-dimethylcarbamoxy-α-picolyl)- N,N-dialkyl (≤ C10) ammonio]-alkane-(2,(n-1)- dione) dibromide (n=2-12)kg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
Other
2933.39.61.40N-phenyl-4-piperidinamine (4-AP), tert-butyl 4-(phenylamino)piperidine-1-carboxylate (tert-butyl 4-anilinopiperidine-1-carboxylate, 1-boc-4-AP), norfentanyl (N-phenyl-N-(4-piperidyl)propionamide), piperidin-4-one (4-piperidone) and tert-butyl 4-oxopiperidine-1-carboxylate (1-boc-4-piperidone); salts thereofkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.39.61.92Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.39.92.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused
2933.41.00.00Levorphanol (INN) and its saltskgFree15.4¢/kg + 67.5%USITC
2933.49OtherUSITC
2933.49.08.004,7-Dichloroquinolinekg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.49.10.00Ethoxyquin (1,2-Dihydro-6-ethoxy-2,2,4- trimethylquinoline)kg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 55%USITC
2933.49.15.008-Methylquinoline and Isoquinolinekg5.8%Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 39.5%USITC
2933.49.17.00Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylatekgFree15.4¢/kg + 52%USITC
Other
Drugs
2933.49.20.005-Chloro-7-iodo-8-quinolinol (Iodo chlo rhydroxy quin); Deco quinate; Diiodo hydroxy quin; and Oxy quinoline sulfatekg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 46%USITC
2933.49.26.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 67.5%USITC
2933.49.30.00Pesticideskg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 40%USITC
Other
2933.49.60.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.49.70.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D, E,IL,JO,K, KR,L,MA,OM,P, PA,PE,S,SG)15.4¢/kg + 52%USITC
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure
2933.52Malonylurea (Barbituric acid) and its saltsUSITC
2933.52.10.00Malonylurea (barbituric acid)kgFree25%USITC
2933.52.90.00OtherkgFree50%USITC
2933.53.00.00Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereofkgFree50%USITC
2933.54.00.00Other derivatives of malonylurea (barbituric acid); salts thereofkg3.7%Free (A+,AU,BH,CL,CO,D, E,IL, JO,K,KR, L,MA,OM,P, PA,PE,S,SG)50%USITC
2933.55.00.00Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereofkgFree15.4¢/kg + 149.5%USITC
2933.59OtherUSITC
Pesticides
Aromatic or modified aromatic
2933.59.10.00Herbicideskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2933.59.15.00Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 64.5%USITC
2933.59.18.00Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)30.5%USITC
Drugs
Aromatic or modified aromatic
2933.59.21.00Antihistamines, including those principally used as anti-nauseantskg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 82%USITC
Anti-infective agents
2933.59.22.00Nicarbazin; and Trimethoprimkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 46%USITC
2933.59.36.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 67.5%USITC
2933.59.46.00Antidepressants, tranquilizers and other psychotherapeutic agentskg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 149.5%USITC
2933.59.53.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 45%USITC
2933.59.59.00Otherkg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
Other
Aromatic or modified aromatic
2933.59.70.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.59.80.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
Other
2933.59.85.002-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracilkgFree30.5%USITC
2933.59.95.00Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)30.5%USITC
Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure
2933.61.00.00Melaminekg3.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2933.69OtherUSITC
2933.69.20.002,4-Diamino-6-phenyl-1,3,5-triazinekgFree25%USITC
2933.69.50.00Hexamethylenetetraminekg6.3%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)58%USITC
2933.69.60Other3.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)25%USITC
2933.69.60.10Cyanuric chloridekg3.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)25%USITC
Pesticides
2933.69.60.15Sodium dichloroisocyanurate and trichloroisocyanuric acidkg3.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)25%USITC
2933.69.60.21Otherkg3.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)25%USITC
2933.69.60.30Products used principally for rubber processingkg3.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)25%USITC
2933.69.60.50Otherkg3.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)25%USITC
Lactams
2933.71.00.006-Hexanelactam (ε-Caprolactam)kg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 40%USITC
2933.72.00.00Clobazam (INN) and methyprylon (INN)kgFree15.4¢/kg + 52%USITC
2933.79Other lactamsUSITC
Aromatic or modified aromatic
2933.79.04.002,5-Dihydro-3,6-diphenylpyrrolo-(3,4-c)- pyrrole-1,4-dionekgFree15.4¢/kg + 52%USITC
Other
2933.79.08.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.79.15.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
Other
2933.79.20.00N-Methyl-2-pyrrolidone; and 2-Pyrrolidonekg4.2%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2933.79.30.00N-Vinyl-2-pyrrolidone, monomerkg5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)40%USITC
2933.79.40.0012-Aminododecanoic acid lactamkgFree30.5%USITC
2933.79.85.00Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)30.5%USITC
Other
2933.91.00Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), flurazepam (INN), halazepam (INN), lorazepam (INN), lormetazepam (INN), mazindol (INN), medazepam (INN), midazolam (INN), nimetazepam (INN), nitrazepam (INN), nordazepam (INN), oxazepam (INN), pinazepam (INN), prazepam (INN), pyrovalerone (INN), temazepam (INN), tetrazepam (INN) and triazolam (INN); salts thereofFree15.4¢/kg + 149.5%USITC
2933.91.00.10Lorazepam (INN); salts thereofkgFree15.4¢/kg + 149.5%USITC
2933.91.00.50OtherkgFree15.4¢/kg + 149.5%USITC
2933.92.00.00Azinphos-methylkgFree15.4¢/kg + 64.5%USITC
2933.99OtherUSITC
Aromatic or modified aromatic
2933.99.01.00Butyl (R)-2-[4-(5-trifluoromethyl-2- pyridinyloxy)phenoxy]propanoatekgFree15.4¢/kg + 50%USITC
2933.99.02.002-[4-[(6-Chloro-2-quinoxalinyl)oxy]phenoxy]- propionic acid, ethyl esterkgFree15.4¢/kg + 64.5%USITC
2933.99.05.00Acridine and indolekgFreeFreeUSITC
2933.99.06.00α-Butyl-α-(4-chlorophenyl)-1H-1,2,4- triazole-1- propanenitrile (Myclobutanil); andα-[2-(4-Chlorophenyl)ethyl]-α-phenyl-1H- 1,2,4-triazole-1-propanenitrile (Fenbuconazole)kg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 64.5%USITC
2933.99.08.00Aceto acetyl-5-amino benz imidazolone; 3-(2H-Benzo triazol-2-yl)-5-(tert-butyl)-4- hydroxy benzene propanoic acid, C7-C9 branched or linear alkyl esters; 2-(2H-Benzotriazol-2-yl)-6-dodecyl-4- methyl phenol, in liquid form, branched and linear; and 1,3,3-Trimethyl-2-methyleneindolinekgFree15.4¢/kg + 52%USITC
2933.99.11.00CarbazolekgFree15.4¢/kg + 39.5%USITC
2933.99.12.006-Bromo-5-methyl-1H-imidazo[4,5-b]- pyridine; 2-sec-Butyl-4-tert-butyl-6-(benzotriazol-2- yl)phenol; 2-tert-Butyl-4-methyl-6-(5-chlorobenzotri- azol-2-yl)phenol; 2,4-Di-tert-butyl-6-(benzotriazol-2-yl)phenol; 2,4-Di-tert-butyl-6-(5-chlorobenzotriazol-2- yl)phenol; 2,3-Dichloro-6-quinoxalinecarbonyl chloride; 1-Hydroxy-2-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid; 2-Hydroxy-3-carbazolecarboxylic acid, sodium salt; Iminodibenzyl(10,11-dihydro-5H-dibenz- [b,f]azepine); Indoline; 3-Methylbenzo[f]quinoline; 2-Methylindoline; 2-Methylmercaptobenzimidazole; 1-Methyl-2-phenylindole; 1-Methylpyrazine; 2,4-Methylpyrazolic acid; 2-Phenylbenzimidazole; 2-Phenylindole; Tetramethylpyrazine; 2,3,5-Triphenyltetrazolium chloride;dl-Tryptophan; and Vinylcarbazole, monomerkg5.8%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 39.5%USITC
Other
Pesticides
2933.99.14.005-Amino-4-chloro-α-phenyl-3- pyridazinonekg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 40.5%USITC
2933.99.16.00o-Diquat dibromide (1,1'-Ethylene- 2,2'-dipyridylium dibromide)kgFree15.4¢/kg + 40.5%USITC
Other
2933.99.17.01Insecticideskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 64.5%USITC
2933.99.22.00Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 64.5%USITC
2933.99.24.00Photographic chemicalskg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 50%USITC
Drugs
2933.99.26.00Antihistamineskg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 45%USITC
Anti-infective agents
2933.99.42.00Acriflavine; Acriflavine hydrochloride; Carbadox; and PyrazinamidekgFree15.4¢/kg + 46%USITC
2933.99.46.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 67.5%USITC
Cardiovascular drugs
2933.99.51.00Hydralazine hydrochloridekgFree15.4¢/kg + 47.5%USITC
2933.99.53.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 65%USITC
Drugs primarily affecting the central nervous system
2933.99.55Analgesics, antipyretics and nonhormonal anti-inflammatory agents6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +47.5%USITC
2933.99.55.10Tolmetinkg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +47.5%USITC
2933.99.55.20Tolmetin sodium dihydratekg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +47.5%USITC
2933.99.55.30Tolmetin sodium (anhydrous)kg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +47.5%USITC
2933.99.55.90Otherkg6.5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg +47.5%USITC
Antidepressants, tranquilizers and other psychotherapeutic agents
2933.99.58.00Droperidol; and Imipramine hydrochloridekgFree15.4¢/kg + 45.5%USITC
2933.99.61.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 149.5%USITC
2933.99.65.00Anticonvulsants, hypnotics and sedativeskg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%USITC
2933.99.70.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 58.5%USITC
2933.99.75.00Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 45%USITC
Other
2933.99.79.00Products described in additional U.S. note 3 to section VIkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.99.82Other6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.99.82.10Benzotriazole (CAS No. 95-14-7)kg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.99.82.20Tolyltriazole (CAS No. 29385-43-1)kg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
2933.99.82.90Otherkg6.5%Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)15.4¢/kg + 52%USITC
Other
2933.99.85.003-Amino-1,2,4-triazolekg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2933.99.89.00HexamethyleneiminekgFree30.5%USITC
Other
2933.99.90.00Drugskg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG)25%USITC
2933.99.97.01Otherkg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)30.5%USITC

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Source: USITC, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20, effective 28 September 2026. Heading 2933 at USITC

Not shown: the additional duties of Chapter 99 (such as Section 301 and Section 232), anti-dumping and countervailing duties, quotas and the legal notes.

This page is general information, not legal advice and not a classification decision. Tariff texts and rates change: check the publisher's current schedule, and ask the customs authority for a binding ruling where the answer matters.

All headings of chapter 29: Organic chemicals