HS heading 29.33: Heterocyclic compounds with nitrogen hetero-atom(s) only

HS heading 29.33 covers heterocyclic compounds with nitrogen hetero-atom(s) only. It is in chapter 29 (organic chemicals). It is split into 27 subheadings: 2933.11 (compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives), 2933.19 (compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other), 2933.21 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives), 2933.29 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other), 2933.31 (compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure, pyridine and its salts), 2933.32 (compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure, piperidine and its salts) and 21 others. National tariff lines under heading 29.33 are live on border.bot for the United States (128 lines, also used by 1 other country).

• 2933.11Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: Phenazone (antipyrin) and its derivatives
• 2933.19Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: Other
• 2933.21Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Hydantoin and its derivatives
• 2933.29Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Other
• 2933.31Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Pyridine and its salts
• 2933.32Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Piperidine and its salts
• 2933.33Compounds 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), 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 thereof
• 2933.34Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other fentanyls and their derivatives
• 2933.35Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: 3-Quinuclidinol
• 2933.36Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: 4-Anilino-N-phenethylpiperidine (ANPP)
• 2933.37Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: N-Phenethyl-4-piperidone (NPP)
• 2933.39Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other
• 2933.41Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: Levorphanol (INN) and its salts
• 2933.49Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: Other
• 2933.52Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Malonylurea (barbituric acid) and its salts
• 2933.53Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: 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
• 2933.54Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other derivatives of malonylurea (barbituric acid); salts thereof
• 2933.55Compounds 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
• 2933.59Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other
• 2933.61Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: Melamine
• 2933.69Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: Other
• 2933.71Lactams: 6-Hexanelactam (epsilon-caprolactam)
• 2933.72Lactams: Clobazam (INN) and methyprylon (INN)
• 2933.79Lactams: Other lactams
• 2933.91Other: Alprazolam (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 thereof
• 2933.92Other: Azinphos-methyl (ISO)
• 2933.99Other: Other

• 29.01Acyclic hydrocarbons
• 29.02Cyclic hydrocarbons
• 29.03Halogenated derivatives of hydrocarbons
• 29.04Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated
• 29.05Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.06Cyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.07Phenols; phenol-alcohols
• 29.08Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols
• 29.09Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.10Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.11Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.12Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde
• 29.13Halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 29.12
• 29.14Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.15Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.16Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.17Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.18Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.19Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.20Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives
• 29.21Amine-function compounds
• 29.22Oxygen-function amino-compounds
• 29.23Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined
• 29.24Carboxyamide-function compounds; amide-function compounds of carbonic acid
• 29.25Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds
• 29.26Nitrile-function compounds
• 29.27Diazo-, azo- or azoxy-compounds
• 29.28Organic derivatives of hydrazine or of hydroxylamine
• 29.29Compounds with other nitrogen function
• 29.30Organo-sulphur compounds
• 29.31Other organo-inorganic compounds
• 29.32Heterocyclic compounds with oxygen hetero-atom(s) only
• 29.34Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
• 29.35Sulphonamides
• 29.36Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent
• 29.37Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones
• 29.38Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives
• 29.39Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives
• 29.40Sugars, chemically pure, other than sucrose, lactose, maltose, glucose and fructose; sugar ethers, sugar acetals and sugar esters, and their salts, other than products of heading 2937, 2938 or 2939
• 29.41Antibiotics
• 29.42Other organic compounds

• United States128 lines, used by 1 other country