United States · Heading· 27 subheadings· 133 codes

2933Heterocyclic compounds with nitrogen heteroatom(s) only

Subheadings (6-digit WCO)

293311Phenazone (antipyrin) and its derivates→293319- - Other→293321Hydantoin and its derivatives→293329- - Other→293331- - Pyridine and its salts→293332- - Piperidine and its salts→293333Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure→293334Other fentanyls and their derivatives→2933353-Quinuclidinol→2933364-Anilino-N-phenethylpiperidine(ANPP)→293337N-Phenethyl-4-piperidone (NPP)→293339Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure→293341- - Levorphanol (INN) and its salts→293349Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused→293352Malonylurea (barbituric acid) and its salts→293353Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure→293354Other derivatives of malonylurea (barbituric acid); salts thereof→293355Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN);salts thereof→293359Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure→293361Melamine→293369- - Other→2933716-Hexanelactam (epsilon-caprolactam)→293372Clobazam (INN) and methyprylon (INN)→293379- - Other lactams→293391Other→293392Azinphos-methyl (ISO)→293399Other→

United States tariff lines (10-digit)

All national sub-divisions in United States's tariff schedule

HS CodeDescriptionPrimary rate
2933.11.00.00Phenazone (Antipyrine) and its derivatives6.5%
2933.19.04.00Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone)Free
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 Sulfinpyrazone5.8%
2933.19.15.001,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)Free
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 pyrazoloneFree
2933.19.23.00Pesticides6.5%
2933.19.30Photographic chemicals6.5%
2933.19.30.10Couplers, for use in color negative photographic paper6.5%
2933.19.30.95Other6.5%
2933.19.35.00Drugs6.5%
2933.19.37.00Products described in additional U.S. note 3 to section VI6.5%
2933.19.43.00Other6.5%
2933.19.45.00Drugs3.7%
2933.19.70.003-Methyl-5-pyrazoloneFree
2933.19.90.00Other6.5%
2933.21.00.00Hydantoin and its derivatives6.5%
2933.29.05.001-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thioureaFree
2933.29.10.002-Phenylimidazole5.8%
2933.29.20.00Drugs6%
2933.29.35.00Products described in additional U.S. note 3 to section VI6.5%
2933.29.43.00Other6.5%
2933.29.45.00Drugs3.7%
2933.29.60.00ImidazoleFree
2933.29.90.00Other6.5%
2933.31.00.00Pyridine and its saltsFree
2933.32.10.00Piperidine6.5%
2933.32.50.00Other6.5%
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 thereofFree
2933.34.00.00Other fentanyls and their derivatives6.5%
2933.35.00.003-Quinuclidinol5.8%
2933.36.00.004-Anilino-N-phenethylpiperidine (ANPP)6.5%
2933.37.00.00N-Phenethyl-4-piperidone (NPP)6.5%
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 chlorideFree
2933.39.10.00Collidines, lutidines and picolinesFree
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 acid5.8%
2933.39.21.00Fungicides6.5%
2933.39.23.00o-Paraquat dichloride6.5%
2933.39.25.00Other6.5%
2933.39.27.00Other6.5%
2933.39.31.00Antidepressants, tranquilizers and other psychotherapeutic agents6.5%
2933.39.41.00Other6.5%
2933.39.61Products described in additional U.S. note 3 to section VI6.5%
2933.39.61.103-Quinuclidinyl benzilate6.5%
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)6.5%
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)6.5%
2933.39.61.91Other6.5%
2933.39.92.00Other6.5%
2933.41.00.00Levorphanol (INN) and its saltsFree
2933.49.08.004,7-Dichloroquinoline6.5%
2933.49.10.00Ethoxyquin (1,2-Dihydro-6-ethoxy-2,2,4- trimethylquinoline)6.5%
2933.49.15.008-Methylquinoline and Isoquinoline5.8%
2933.49.17.00Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylateFree
2933.49.20.005-Chloro-7-iodo-8-quinolinol (Iodo chlo rhydroxy quin); Deco quinate; Diiodo hydroxy quin; and Oxy quinoline sulfate6.5%
2933.49.26.00Other6.5%
2933.49.30.00Pesticides6.5%
2933.49.60.00Products described in additional U.S. note 3 to section VI6.5%
2933.49.70.00Other6.5%
2933.52.10.00Malonylurea (barbituric acid)Free
2933.52.90.00OtherFree
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 thereofFree
2933.54.00.00Other derivatives of malonylurea (barbituric acid); salts thereof3.7%
2933.55.00.00Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereofFree
2933.59.10.00Herbicides6.5%
2933.59.15.00Other6.5%
2933.59.18.00Other6.5%
2933.59.21.00Antihistamines, including those principally used as anti-nauseants6.5%
2933.59.22.00Nicarbazin; and Trimethoprim6.5%
2933.59.36.00Other6.5%
2933.59.46.00Antidepressants, tranquilizers and other psychotherapeutic agents6.5%
2933.59.53.00Other6.5%
2933.59.59.00Other3.7%
2933.59.70.00Products described in additional U.S. note 3 to section VI6.5%
2933.59.80.00Other6.5%
2933.59.85.002-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracilFree
2933.59.95.00Other6.5%
2933.61.00.00Melamine3.5%
2933.69.20.002,4-Diamino-6-phenyl-1,3,5-triazineFree
2933.69.50.00Hexamethylenetetramine6.3%
2933.69.60Other3.5%
2933.69.60.10Cyanuric chloride3.5%
2933.69.60.15Sodium dichloroisocyanurate and trichloroisocyanuric acid3.5%
2933.69.60.21Other3.5%
2933.69.60.30Products used principally for rubber processing3.5%
2933.69.60.50Other3.5%
2933.71.00.006-Hexanelactam (ε-Caprolactam)6.5%
2933.72.00.00Clobazam (INN) and methyprylon (INN)Free
2933.79.04.002,5-Dihydro-3,6-diphenylpyrrolo-(3,4-c)- pyrrole-1,4-dioneFree
2933.79.08.00Products described in additional U.S. note 3 to section VI6.5%
2933.79.15.00Other6.5%
2933.79.20.00N-Methyl-2-pyrrolidone; and 2-Pyrrolidone4.2%
2933.79.30.00N-Vinyl-2-pyrrolidone, monomer5.5%
2933.79.40.0012-Aminododecanoic acid lactamFree
2933.79.85.00Other6.5%
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 thereofFree
2933.91.00.10Lorazepam (INN); salts thereofFree
2933.91.00.50OtherFree
2933.92.00.00Azinphos-methylFree
2933.99.01.00Butyl (R)-2-[4-(5-trifluoromethyl-2- pyridinyloxy)phenoxy]propanoateFree
2933.99.02.002-[4-[(6-Chloro-2-quinoxalinyl)oxy]phenoxy]- propionic acid, ethyl esterFree
2933.99.05.00Acridine and indoleFree
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)6.5%
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-methyleneindolineFree
2933.99.11.00CarbazoleFree
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, monomer5.8%
2933.99.14.005-Amino-4-chloro-α-phenyl-3- pyridazinone6.5%
2933.99.16.00o-Diquat dibromide (1,1'-Ethylene- 2,2'-dipyridylium dibromide)Free
2933.99.17.01Insecticides6.5%
2933.99.22.00Other6.5%
2933.99.24.00Photographic chemicals6.5%
2933.99.26.00Antihistamines6.5%
2933.99.42.00Acriflavine; Acriflavine hydrochloride; Carbadox; and PyrazinamideFree
2933.99.46.00Other6.5%
2933.99.51.00Hydralazine hydrochlorideFree
2933.99.53.00Other6.5%
2933.99.55Analgesics, antipyretics and nonhormonal anti-inflammatory agents6.5%
2933.99.55.10Tolmetin6.5%
2933.99.55.20Tolmetin sodium dihydrate6.5%
2933.99.55.30Tolmetin sodium (anhydrous)6.5%
2933.99.55.90Other6.5%
2933.99.58.00Droperidol; and Imipramine hydrochlorideFree
2933.99.61.00Other6.5%
2933.99.65.00Anticonvulsants, hypnotics and sedatives6.5%
2933.99.70.00Other6.5%
2933.99.75.00Other6.5%
2933.99.79.00Products described in additional U.S. note 3 to section VI6.5%
2933.99.82Other6.5%
2933.99.82.10Benzotriazole (CAS No. 95-14-7)6.5%
2933.99.82.20Tolyltriazole (CAS No. 29385-43-1)6.5%
2933.99.82.90Other6.5%
2933.99.85.003-Amino-1,2,4-triazole3.7%
2933.99.89.00HexamethyleneimineFree
2933.99.90.00Drugs3.7%
2933.99.97.01Other6.5%
United States HS 2933 · Heterocyclic compounds with nitrogen heteroatom(s) only · Treayo · 全球关税