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

2933.11 Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives

• 2933.11.00.00 Phenazone (Antipyrine) and its derivatives6.5%

2933.19 Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other than henazone (antipyrin) and its derivatives

• Aromatic or modified aromatic
• 2933.19.04.00 Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone)Free
• 2933.19.08.00 3-(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%
• 2933.19.15.00 1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)Free
• 2933.19.18.00 2-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
• Other
• 2933.19.23.00 Pesticides6.5%
• Photographic chemicals
• 2933.19.30.10 Couplers, for use in color negative photographic paper6.5%
• 2933.19.30.95 Other6.5%
• 2933.19.35.00 Drugs6.5%
• Other
• 2933.19.37.00 Products described in additional U.S. note 3 to section VI6.5%
• 2933.19.43.00 Other6.5%
• Other
• 2933.19.45.00 Drugs3.7%
• Other
• 2933.19.70.00 3-Methyl-5-pyrazoloneFree
• 2933.19.90.00 Other6.5%

2933.21 Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives

• 2933.21.00.00 Hydantoin and its derivatives6.5%

2933.29 Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives

• Aromatic or modified aromatic
• 2933.29.05.00 1-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thioureaFree
• 2933.29.10.00 2-Phenylimidazole5.8%
• Other
• 2933.29.20.00 Drugs6%
• Other
• 2933.29.35.00 Products described in additional U.S. note 3 to section VI6.5%
• 2933.29.43.00 Other6.5%
• Other
• 2933.29.45.00 Drugs3.7%
• Other
• 2933.29.60.00 ImidazoleFree
• 2933.29.90.00 Other6.5%

2933.31 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, pyridine and its salts

• 2933.31.00.00 Pyridine and its saltsFree

2933.32 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, piperidine and its salts

• 2933.32.10.00 Piperidine6.5%
• 2933.32.50.00 Other6.5%

2933.33 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN)

• 2933.33.01.00 Alfentanil (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 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other fentanyls and their derivatives

• 2933.34.00.00 Other fentanyls and their derivatives6.5%

2933.35 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 3-quinuclidinol

• 2933.35.00.00 3-Quinuclidinol5.8%

2933.36 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 4-anilino-N-phenethylpiperidine (ANPP)

• 2933.36.00.00 4-Anilino-N-phenethylpiperidine (ANPP)6.5%

2933.37 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP)

• 2933.37.00.00 N-Phenethyl-4-piperidone (NPP)6.5%

2933.39 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3

• 2933.39.08.00 1-(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
• 2933.39.10.00 Collidines, lutidines and picolinesFree
• 2933.39.20.00 p-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%
• Other
• Pesticides
• 2933.39.21.00 Fungicides6.5%
• Herbicides
• 2933.39.23.00 o-Paraquat dichloride6.5%
• 2933.39.25.00 Other6.5%
• 2933.39.27.00 Other6.5%
• Drugs
• 2933.39.31.00 Antidepressants, tranquilizers and other psychotherapeutic agents6.5%
• 2933.39.41.00 Other6.5%
• Other
• Products described in additional U.S. note 3 to section VI
• 2933.39.61.10 3-Quinuclidinyl benzilate6.5%
• 2933.39.61.20 1-[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%
• 2933.39.61.30 1,n-Bis[N-(3-dimethylcarbamoxy-α-picolyl)- N,N-dialkyl (≤ C10) ammonio]-alkane-(2,(n-1)- dione) dibromide (n=2-12)6.5%
• Other
• 2933.39.61.40 N-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 thereof6.5%
• 2933.39.61.92 Other6.5%
• 2933.39.92.00 Other6.5%

2933.41 Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, levorphanol (INN) and its salts

• 2933.41.00.00 Levorphanol (INN) and its saltsFree

2933.49 Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, other than levorphanol (INN) and its salts

• 2933.49.08.00 4,7-Dichloroquinoline6.5%
• 2933.49.10.00 Ethoxyquin (1,2-Dihydro-6-ethoxy-2,2,4- trimethylquinoline)6.5%
• 2933.49.15.00 8-Methylquinoline and Isoquinoline5.8%
• 2933.49.17.00 Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylateFree
• Other
• Drugs
• 2933.49.20.00 5-Chloro-7-iodo-8-quinolinol (Iodo chlo rhydroxy quin); Deco quinate; Diiodo hydroxy quin; and Oxy quinoline sulfate6.5%
• 2933.49.26.00 Other6.5%
• 2933.49.30.00 Pesticides6.5%
• Other
• 2933.49.60.00 Products described in additional U.S. note 3 to section VI6.5%
• 2933.49.70.00 Other6.5%

2933.52 Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, malonylurea (barbituric acid) and its salts

• 2933.52.10.00 Malonylurea (barbituric acid)Free
• 2933.52.90.00 OtherFree

2933.53 Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof

• 2933.53.00.00 Allobarbital (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 Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other derivatives of malonylurea (barbituric acid) and salts thereof, n.e.c. in 2933.53

• 2933.54.00.00 Other derivatives of malonylurea (barbituric acid); salts thereof3.7%

2933.55 Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure; loprazolam (INN), mecloqualone (INN), methaqualone (INN), and zipeprol (INN); salts thereof

• 2933.55.00.00 Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereofFree

2933.59 Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, (other than malonylurea and its derivatives, loprazolam, mecloqualone, methaqualone, zipeprol, and salts thereof) n.e.c. in 2933.5

• Pesticides
• Aromatic or modified aromatic
• 2933.59.10.00 Herbicides6.5%
• 2933.59.15.00 Other6.5%
• 2933.59.18.00 Other6.5%
• Drugs
• Aromatic or modified aromatic
• 2933.59.21.00 Antihistamines, including those principally used as anti-nauseants6.5%
• Anti-infective agents
• 2933.59.22.00 Nicarbazin; and Trimethoprim6.5%
• 2933.59.36.00 Other6.5%
• 2933.59.46.00 Antidepressants, tranquilizers and other psychotherapeutic agents6.5%
• 2933.59.53.00 Other6.5%
• 2933.59.59.00 Other3.7%
• Other
• Aromatic or modified aromatic
• 2933.59.70.00 Products described in additional U.S. note 3 to section VI6.5%
• 2933.59.80.00 Other6.5%
• Other
• 2933.59.85.00 2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracilFree
• 2933.59.95.00 Other6.5%

2933.61 Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine

• 2933.61.00.00 Melamine3.5%

2933.69 Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, others excluding melamine

• 2933.69.20.00 2,4-Diamino-6-phenyl-1,3,5-triazineFree
• 2933.69.50.00 Hexamethylenetetramine6.3%
• Other
• 2933.69.60.10 Cyanuric chloride3.5%
• Pesticides
• 2933.69.60.15 Sodium dichloroisocyanurate and trichloroisocyanuric acid3.5%
• 2933.69.60.21 Other3.5%
• 2933.69.60.30 Products used principally for rubber processing3.5%
• 2933.69.60.50 Other3.5%

2933.71 Heterocyclic compounds; lactams; 6-hexanelactam (epsilon-caprolactam)

• 2933.71.00.00 6-Hexanelactam (ε-Caprolactam)6.5%

2933.72 Heterocyclic compounds; lactams; clobazam (INN) and methyprylon (INN)

• 2933.72.00.00 Clobazam (INN) and methyprylon (INN)Free

2933.79 Heterocyclic compounds; lactams; other than 6-hexanelactam (epsilon caprolactam) and clobazam (INN) and methyprylon (INN)

• Aromatic or modified aromatic
• 2933.79.04.00 2,5-Dihydro-3,6-diphenylpyrrolo-(3,4-c)- pyrrole-1,4-dioneFree
• Other
• 2933.79.08.00 Products described in additional U.S. note 3 to section VI6.5%
• 2933.79.15.00 Other6.5%
• Other
• 2933.79.20.00 N-Methyl-2-pyrrolidone; and 2-Pyrrolidone4.2%
• 2933.79.30.00 N-Vinyl-2-pyrrolidone, monomer5.5%
• 2933.79.40.00 12-Aminododecanoic acid lactamFree
• 2933.79.85.00 Other6.5%

2933.91 Heterocyclic compounds; alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), (cont)

• 2933.91.00.10 Lorazepam (INN); salts thereofFree
• 2933.91.00.50 OtherFree

2933.92 Heterocyclic compounds; azinphos-methyl (ISO)

• 2933.92.00.00 Azinphos-methylFree

2933.99 Heterocyclic compounds; n.e.c. in headings no. 2933

• Aromatic or modified aromatic
• 2933.99.01.00 Butyl (R)-2-[4-(5-trifluoromethyl-2- pyridinyloxy)phenoxy]propanoateFree
• 2933.99.02.00 2-[4-[(6-Chloro-2-quinoxalinyl)oxy]phenoxy]- propionic acid, ethyl esterFree
• 2933.99.05.00 Acridine and indoleFree
• 2933.99.06.00 α-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%
• 2933.99.08.00 Aceto 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
• 2933.99.11.00 CarbazoleFree
• 2933.99.12.00 6-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%
• Other
• Pesticides
• 2933.99.14.00 5-Amino-4-chloro-α-phenyl-3- pyridazinone6.5%
• 2933.99.16.00 o-Diquat dibromide (1,1'-Ethylene- 2,2'-dipyridylium dibromide)Free
• Other
• 2933.99.17.01 Insecticides6.5%
• 2933.99.22.00 Other6.5%
• 2933.99.24.00 Photographic chemicals6.5%
• Drugs
• 2933.99.26.00 Antihistamines6.5%
• Anti-infective agents
• 2933.99.42.00 Acriflavine; Acriflavine hydrochloride; Carbadox; and PyrazinamideFree
• 2933.99.46.00 Other6.5%
• Cardiovascular drugs
• 2933.99.51.00 Hydralazine hydrochlorideFree
• 2933.99.53.00 Other6.5%
• Drugs primarily affecting the central nervous system
• Analgesics, antipyretics and nonhormonal anti-inflammatory agents
• 2933.99.55.10 Tolmetin6.5%
• 2933.99.55.20 Tolmetin sodium dihydrate6.5%
• 2933.99.55.30 Tolmetin sodium (anhydrous)6.5%
• 2933.99.55.90 Other6.5%
• Antidepressants, tranquilizers and other psychotherapeutic agents
• 2933.99.58.00 Droperidol; and Imipramine hydrochlorideFree
• 2933.99.61.00 Other6.5%
• 2933.99.65.00 Anticonvulsants, hypnotics and sedatives6.5%
• 2933.99.70.00 Other6.5%
• 2933.99.75.00 Other6.5%
• Other
• 2933.99.79.00 Products described in additional U.S. note 3 to section VI6.5%
• Other
• 2933.99.82.10 Benzotriazole (CAS No. 95-14-7)6.5%
• 2933.99.82.20 Tolyltriazole (CAS No. 29385-43-1)6.5%
• 2933.99.82.90 Other6.5%
• Other
• 2933.99.85.00 3-Amino-1,2,4-triazole3.7%
• 2933.99.89.00 HexamethyleneimineFree
• Other
• 2933.99.90.00 Drugs3.7%
• 2933.99.97.01 Other6.5%