Chapter 29 · Organic chemicals

2933

Heterocyclic compounds with nitrogen hetero-atom(s) only

144 lines · 2026 HTS Revision 22

Lines of 2933

  1. Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure
  2. 2933.11.00.00Phenazone (Antipyrine) and its derivatives6.5%
  3. 2933.19Other
  4. Aromatic or modified aromatic
  5. 2933.19.04.00Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone)Free
  6. 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%
  7. 2933.19.15.001,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)Free
  8. 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
  9. Other
  10. 2933.19.23.00Pesticides6.5%
  11. 2933.19.30Photographic chemicals6.5%
  12. 2933.19.30.10Couplers, for use in color negative photographic paper
  13. 2933.19.30.95Other
  14. 2933.19.35.00Drugs6.5%
  15. Other
  16. 2933.19.37.00Products described in additional U.S. note 3 to section VI6.5%
  17. 2933.19.43.00Other6.5%
  18. Other
  19. 2933.19.45.00Drugs3.7%
  20. Other
  21. 2933.19.70.003-Methyl-5-pyrazoloneFree
  22. 2933.19.90.00Other6.5%
  23. Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure
  24. 2933.21.00.00Hydantoin and its derivatives6.5%
  25. 2933.29Other
  26. Aromatic or modified aromatic
  27. 2933.29.05.001-[1-((4-Chloro-2-(trifluoromethyl)phenyl)- imino)-2-propoxyethyl]-1H-imidazole (Triflumizole); and Ethylene thioureaFree
  28. 2933.29.10.002-Phenylimidazole5.8%
  29. Other
  30. 2933.29.20.00Drugs6%
  31. Other
  32. 2933.29.35.00Products described in additional U.S. note 3 to section VI6.5%
  33. 2933.29.43.00Other6.5%
  34. Other
  35. 2933.29.45.00Drugs3.7%
  36. Other
  37. 2933.29.60.00ImidazoleFree
  38. 2933.29.90.00Other6.5%
  39. Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure
  40. 2933.31.00.00Pyridine and its saltsFree
  41. 2933.32Piperidine and its salts
  42. 2933.32.10.00Piperidine6.5%
  43. 2933.32.50.00Other6.5%
  44. 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
  45. 2933.34.00.00Other fentanyls and their derivatives6.5%
  46. 2933.35.00.003-Quinuclidinol5.8%
  47. 2933.36.00.004-Anilino-N-phenethylpiperidine (ANPP)6.5%
  48. 2933.37.00.00N-Phenethyl-4-piperidone (NPP)6.5%
  49. 2933.39Other
  50. 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
  51. 2933.39.10.00Collidines, lutidines and picolinesFree
  52. 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%
  53. Other
  54. Pesticides
  55. 2933.39.21.00Fungicides6.5%
  56. Herbicides
  57. 2933.39.23.00o-Paraquat dichloride6.5%
  58. 2933.39.25.00Other6.5%
  59. 2933.39.27.00Other6.5%
  60. Drugs
  61. 2933.39.31.00Antidepressants, tranquilizers and other psychotherapeutic agents6.5%
  62. 2933.39.41.00Other6.5%
  63. Other
  64. 2933.39.61Products described in additional U.S. note 3 to section VI6.5%
  65. 2933.39.61.103-Quinuclidinyl benzilate
  66. 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)
  67. 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)
  68. Other
  69. 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 thereof
  70. 2933.39.61.92Other
  71. 2933.39.92.00Other6.5%
  72. Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused
  73. 2933.41.00.00Levorphanol (INN) and its saltsFree
  74. 2933.49Other
  75. 2933.49.08.004,7-Dichloroquinoline6.5%
  76. 2933.49.10.00Ethoxyquin (1,2-Dihydro-6-ethoxy-2,2,4- trimethylquinoline)6.5%
  77. 2933.49.15.008-Methylquinoline and Isoquinoline5.8%
  78. 2933.49.17.00Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylateFree
  79. Other
  80. Drugs
  81. 2933.49.20.005-Chloro-7-iodo-8-quinolinol (Iodo chlo rhydroxy quin); Deco quinate; Diiodo hydroxy quin; and Oxy quinoline sulfate6.5%
  82. 2933.49.26.00Other6.5%
  83. 2933.49.30.00Pesticides6.5%
  84. Other
  85. 2933.49.60.00Products described in additional U.S. note 3 to section VI6.5%
  86. 2933.49.70.00Other6.5%
  87. Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure
  88. 2933.52Malonylurea (Barbituric acid) and its salts
  89. 2933.52.10.00Malonylurea (barbituric acid)Free
  90. 2933.52.90.00OtherFree
  91. 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
  92. 2933.54.00.00Other derivatives of malonylurea (barbituric acid); salts thereof3.7%
  93. 2933.55.00.00Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereofFree
  94. 2933.59Other
  95. Pesticides
  96. Aromatic or modified aromatic
  97. 2933.59.10.00Herbicides6.5%
  98. 2933.59.15.00Other6.5%
  99. 2933.59.18.00Other6.5%
  100. Drugs
  101. Aromatic or modified aromatic
  102. 2933.59.21.00Antihistamines, including those principally used as anti-nauseants6.5%
  103. Anti-infective agents
  104. 2933.59.22.00Nicarbazin; and Trimethoprim6.5%
  105. 2933.59.36.00Other6.5%
  106. 2933.59.46.00Antidepressants, tranquilizers and other psychotherapeutic agents6.5%
  107. 2933.59.53.00Other6.5%
  108. 2933.59.59.00Other3.7%
  109. Other
  110. Aromatic or modified aromatic
  111. 2933.59.70.00Products described in additional U.S. note 3 to section VI6.5%
  112. 2933.59.80.00Other6.5%
  113. Other
  114. 2933.59.85.002-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracilFree
  115. 2933.59.95.00Other6.5%
  116. Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure
  117. 2933.61.00.00Melamine3.5%
  118. 2933.69Other
  119. 2933.69.20.002,4-Diamino-6-phenyl-1,3,5-triazineFree
  120. 2933.69.50.00Hexamethylenetetramine6.3%
  121. 2933.69.60Other3.5%
  122. 2933.69.60.10Cyanuric chloride
  123. Pesticides
  124. 2933.69.60.15Sodium dichloroisocyanurate and trichloroisocyanuric acid
  125. 2933.69.60.21Other
  126. 2933.69.60.30Products used principally for rubber processing
  127. 2933.69.60.50Other
  128. Lactams
  129. 2933.71.00.006-Hexanelactam (ε-Caprolactam)6.5%
  130. 2933.72.00.00Clobazam (INN) and methyprylon (INN)Free
  131. 2933.79Other lactams
  132. Aromatic or modified aromatic
  133. 2933.79.04.002,5-Dihydro-3,6-diphenylpyrrolo-(3,4-c)- pyrrole-1,4-dioneFree
  134. Other
  135. 2933.79.08.00Products described in additional U.S. note 3 to section VI6.5%
  136. 2933.79.15.00Other6.5%
  137. Other
  138. 2933.79.20.00N-Methyl-2-pyrrolidone; and 2-Pyrrolidone4.2%
  139. 2933.79.30.00N-Vinyl-2-pyrrolidone, monomer5.5%
  140. 2933.79.40.0012-Aminododecanoic acid lactamFree
  141. 2933.79.85.00Other6.5%
  142. Other
  143. 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
  144. 2933.91.00.10Lorazepam (INN); salts thereof
  145. 2933.91.00.50Other
  146. 2933.92.00.00Azinphos-methylFree
  147. 2933.99Other
  148. Aromatic or modified aromatic
  149. 2933.99.01.00Butyl (R)-2-[4-(5-trifluoromethyl-2- pyridinyloxy)phenoxy]propanoateFree
  150. 2933.99.02.002-[4-[(6-Chloro-2-quinoxalinyl)oxy]phenoxy]- propionic acid, ethyl esterFree
  151. 2933.99.05.00Acridine and indoleFree
  152. 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%
  153. 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
  154. 2933.99.11.00CarbazoleFree
  155. 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%
  156. Other
  157. Pesticides
  158. 2933.99.14.005-Amino-4-chloro-α-phenyl-3- pyridazinone6.5%
  159. 2933.99.16.00o-Diquat dibromide (1,1'-Ethylene- 2,2'-dipyridylium dibromide)Free
  160. Other
  161. 2933.99.17.01Insecticides6.5%
  162. 2933.99.22.00Other6.5%
  163. 2933.99.24.00Photographic chemicals6.5%
  164. Drugs
  165. 2933.99.26.00Antihistamines6.5%
  166. Anti-infective agents
  167. 2933.99.42.00Acriflavine; Acriflavine hydrochloride; Carbadox; and PyrazinamideFree
  168. 2933.99.46.00Other6.5%
  169. Cardiovascular drugs
  170. 2933.99.51.00Hydralazine hydrochlorideFree
  171. 2933.99.53.00Other6.5%
  172. Drugs primarily affecting the central nervous system
  173. 2933.99.55Analgesics, antipyretics and nonhormonal anti-inflammatory agents6.5%
  174. 2933.99.55.10Tolmetin
  175. 2933.99.55.20Tolmetin sodium dihydrate
  176. 2933.99.55.30Tolmetin sodium (anhydrous)
  177. 2933.99.55.90Other
  178. Antidepressants, tranquilizers and other psychotherapeutic agents
  179. 2933.99.58.00Droperidol; and Imipramine hydrochlorideFree
  180. 2933.99.61.00Other6.5%
  181. 2933.99.65.00Anticonvulsants, hypnotics and sedatives6.5%
  182. 2933.99.70.00Other6.5%
  183. 2933.99.75.00Other6.5%
  184. Other
  185. 2933.99.79.00Products described in additional U.S. note 3 to section VI6.5%
  186. 2933.99.82Other6.5%
  187. 2933.99.82.10Benzotriazole (CAS No. 95-14-7)
  188. 2933.99.82.20Tolyltriazole (CAS No. 29385-43-1)
  189. 2933.99.82.90Other
  190. Other
  191. 2933.99.85.003-Amino-1,2,4-triazole3.7%
  192. 2933.99.89.00HexamethyleneimineFree
  193. Other
  194. 2933.99.90.00Drugs3.7%
  195. 2933.99.97.01Other6.5%