Chapter 29: Organic chemicals

HTS heading 2933: Heterocyclic compounds with nitrogen hetero-atom(s) only

145 numbered lines under heading 2933, including 128 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 2933
HTS codeDescriptionUnitGeneralSpecialColumn 2
2933Heterocyclic compounds with nitrogen hetero-atom(s) only:
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%
2933.19Other:
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%
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%
2933.19.15.001,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)kgFree15.4¢/kg + 48.5%
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%
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%
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%
2933.19.30.10Couplers, for use in color negative photographic paperkg
2933.19.30.95Otherkg
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%
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%
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%
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%
Other:
2933.19.70.003-Methyl-5-pyrazolonekgFree30.5%
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%
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%
2933.29Other:
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%
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%
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%
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%
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%
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%
Other:
2933.29.60.00ImidazolekgFree30.5%
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%
Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure:
2933.31.00.00Pyridine and its saltskgFreeFree
2933.32Piperidine and its salts:
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%
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%
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%
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%
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%
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%
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%
2933.39Other:
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%
2933.39.10.00Collidines, lutidines and picolineskgFreeFree
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%
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%
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%
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%
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%
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%
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%
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%
2933.39.61.103-Quinuclidinyl benzilatekg
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)kg
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)kg
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 thereofkg
2933.39.61.92Otherkg
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%
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%
2933.49Other:
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%
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%
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%
2933.49.17.00Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylatekgFree15.4¢/kg + 52%
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%
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%
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%
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%
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%
Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure:
2933.52Malonylurea (Barbituric acid) and its salts:
2933.52.10.00Malonylurea (barbituric acid)kgFree25%
2933.52.90.00OtherkgFree50%
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%
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%
2933.55.00.00Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereofkgFree15.4¢/kg + 149.5%
2933.59Other:
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
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%
Other:
2933.59.85.002-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracilkgFree30.5%
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%
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%
2933.69Other:
2933.69.20.002,4-Diamino-6-phenyl-1,3,5-triazinekgFree25%
2933.69.50.00Hexamethylenetetraminekg6.3%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)58%
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%
2933.69.60.10Cyanuric chloridekg
Pesticides:
2933.69.60.15Sodium dichloroisocyanurate and trichloroisocyanuric acidkg
2933.69.60.21Otherkg
2933.69.60.30Products used principally for rubber processingkg
2933.69.60.50Otherkg
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%
2933.72.00.00Clobazam (INN) and methyprylon (INN)kgFree15.4¢/kg + 52%
2933.79Other lactams:
Aromatic or modified aromatic:
2933.79.04.002,5-Dihydro-3,6-diphenylpyrrolo-(3,4-c)- pyrrole-1,4-dionekgFree15.4¢/kg + 52%
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%
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%
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%
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%
2933.79.40.0012-Aminododecanoic acid lactamkgFree30.5%
2933.79.85.00OtherNote: See 9903.90.08.kg6.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG)30.5%
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%
2933.91.00.10Lorazepam (INN); salts thereofkg
2933.91.00.50Otherkg
2933.92.00.00Azinphos-methylkgFree15.4¢/kg + 64.5%
2933.99Other:
Aromatic or modified aromatic:
2933.99.01.00Butyl (R)-2-[4-(5-trifluoromethyl-2- pyridinyloxy)phenoxy]propanoatekgFree15.4¢/kg + 50%
2933.99.02.002-[4-[(6-Chloro-2-quinoxalinyl)oxy]phenoxy]- propionic acid, ethyl esterkgFree15.4¢/kg + 64.5%
2933.99.05.00Acridine and indolekgFreeFree
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%
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%
2933.99.11.00CarbazolekgFree15.4¢/kg + 39.5%
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%
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%
2933.99.16.00o-Diquat dibromide (1,1'-Ethylene- 2,2'-dipyridylium dibromide)kgFree15.4¢/kg + 40.5%
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%
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%
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%
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%
Anti-infective agents:
2933.99.42.00Acriflavine; Acriflavine hydrochloride; Carbadox; and PyrazinamidekgFree15.4¢/kg + 46%
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%
Cardiovascular drugs:
2933.99.51.00Hydralazine hydrochloridekgFree15.4¢/kg + 47.5%
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%
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%
2933.99.55.10Tolmetinkg
2933.99.55.20Tolmetin sodium dihydratekg
2933.99.55.30Tolmetin sodium (anhydrous)kg
2933.99.55.90Otherkg
Antidepressants, tranquilizers and other psychotherapeutic agents:
2933.99.58.00Droperidol; and Imipramine hydrochloridekgFree15.4¢/kg + 45.5%
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%
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%
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%
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%
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%
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%
2933.99.82.10Benzotriazole (CAS No. 95-14-7)kg
2933.99.82.20Tolyltriazole (CAS No. 29385-43-1)kg
2933.99.82.90Otherkg
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%
2933.99.89.00HexamethyleneiminekgFree30.5%
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%
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%

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.