Heading 2933 · Chapter 29
Heterocyclic compounds with nitrogen as the only heteroatom
This heading covers heterocyclic compounds whose only heteroatoms are nitrogen atoms. The detailed categories include compounds with named ring structures, lactams and specifically listed substances.
For example
- Pyridine
- Melamine
- Hydantoin
- 6-Hexanlactam (epsilon-caprolactam)
See the official tariff text
Official tariff text
Heterocyclic compounds with nitrogen hetero-atom[s] only
More detailed codes
Pick the description that best matches your product.
27 codes below this one
- 2933 11 Phenazone "antipyrin" and its derivatives 0.0–6.5%* Save
- 2933 19 Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused pyrazole ring, whether or not hydrogenated, in the structure (excl. phenazone "antipyrin" and its derivatives) 0.0%* Save
- 2933 21 Hydantoin and its derivatives No rate on file Save
- 2933 29 Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused imidazole ring, whether or not hydrogenated, in the structure (excl. hydantoin and its derivatives, and products of subheading 3002 10) 0.0–6.5%* Save
- 2933 31 Pyridine and its salts 5.3%* Save
- 2933 32 Piperidine and its salts 6.5%* Save
- 2933 33 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", pipradol "INN", piritramide "INN", propiram "INN", remifentanil "INN", and trimeperidine "INN", and salts thereof 0.0%* Save
- 2933 34 Fentanyls and their derivatives, with nitrogen hetero-atom[s] only, containing an unfused pyridine ring, whether or not hydrogenated, in the structure (excl. products of 2933.33) 0.0%* Save
- 2933 35 3-Quinuclidinol 6.5%* Save
- 2933 36 4-Anilino-N-phenethylpiperidine "ANPP" 6.5%* Save
- 2933 37 N-Phenethyl-4-piperidone "NPP" 6.5%* Save
- 2933 39 Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused pyridine ring, whether or not hydrogenated, in the structure, n.e.s. 0.0–4.0%* Save
- 2933 41 Levorphanol "INN" and its salts 0.0%* Save
- 2933 49 Heterocyclic compounds with nitrogen hetero-atom[s] only, containing in the structure a quinoline or isoquinoline ring-system, whether or not hydrogenated, but not further fused (excl. levorphanol "INN" and its salts, and inorganic or organic compounds of mercury) 0.0–5.5%* Save
- 2933 52 Malonylurea "barbituric acid" and its salts 6.5%* Save
- 2933 53 Allobarbital "INN", amobarbital "INN", barbital "INN", butalbital "INN", butobarbital "INN", cyclobarbital "INN", methylphenobarbital "INN", pentobarbital "INN", phenobarbital "INN", secbutabarbital "INN", secobarbital "INN" and vinylbital "INN", and salts thereof 0.0%* Save
- 2933 54 Derivatives of malonylurea "barbituric acid" and salts thereof (excl. salts of malonylurea) 6.5%* Save
- 2933 55 Loprazolam "INN", mecloqualone "INN", methaqualone "INN" and zipeprol "INN", and salts thereof 0.0%* Save
- 2933 59 Heterocyclic compounds with nitrogen hetero-atom[s] only, containing a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure (excl. malonylurea "barbituric acid" and its derivatives, allobarbital "INN", amobarbital "INN", barbital "INN", butalbital "INN", butobarbital "INN", cyclobarbital "INN", methylphenobarbital "INN", pentobarbital "INN", phenobarbital "INN", secbutabarbital "INN", secobarbital "INN", vinylbital "INN", loprazolam "INN", mecloqualone "INN", methaqualone "INN" and zipeprol "INN", and salts thereof) 0.0%* Save
- 2933 61 Melamine 6.5%* Save
- 2933 69 Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused triazine ring, whether or not hydrogenated, in the structure (excl. melamine) 0.0–5.5%* Save
- 2933 71 6-Hexanelactam "epsilon-caprolactam" 6.5%* Save
- 2933 72 Clobazam "INN" and methyprylon "INN" 0.0%* Save
- 2933 79 Lactams (excl. 6-hexanelactam "epsilon-caprolactam", clobazam "INN", methyprylon "INN", and inorganic or organic compounds of mercury) 6.5%* Save
- 2933 91 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", and salts thereof 0.0%* Save
- 2933 92 Azinphos-methyl "ISO" 6.5%* Save
- 2933 99 Heterocyclic compounds with nitrogen hetero-atom[s] only (excl. those containing an unfused pyrazole, imidazole, pyridine or triazine ring, whether or not hydrogenated, a quinoline or isoquinoline ring-system, not further fused, whether or not hydrogenated, a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, and lactams, 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 and azinphos-methyl "ISO") 0.0–6.5%* Save
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Compare the sibling codes
Classification decides the rate here: from 0.0% to 6.5%.
- 2901 Acyclic hydrocarbons 0.0%*
- 2902 Cyclic hydrocarbons 0.0%*
- 2903 Halogenated derivatives of hydrocarbons 0.0–5.5%*
- 2904 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated 5.5%*
- 2905 Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives 0.0–9.6%*
- 2906 Cyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives 0.0–5.5%*
- 2907 Phenols; phenol-alcohols 0.0–5.5%*
- 2908 Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols 0.0–5.5%*
- 2909 Ethers, 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 0.0–5.5%*
- 2910 Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives 0.0–5.5%*
- 2911 Acetaler og hemiacetaler, også med andre oxygenholdige grupper, samt halogen-, sulfo-, nitro- eller nitrosoderivater deraf (undtagen acetal- og hemiacetalperoxider) 5.0%*
- 2912 Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde 5.5%*
- 2913 Halogen-, sulfo-, nitro- eller nitrosoderivater af aldehyder, af cycliske polymere af aldehyder eller af formaldehyd No rate on file
- 2914 Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives 0.0–5.5%*
- 2915 Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives 0.0–5.5%*
- 2916 Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives 0.0–6.5%*
- 2917 Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives 0.0–6.5%*
- 2918 Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives 0.0–6.5%*
- 2919 Phosphoric esters and their salts, incl. lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives 6.5%*
- 2920 Esters of inorganic acids of non-metals and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. esters of hydrogen halides and of phosphoric esters, their salts and their halogenated, sulphonated, nitrated or nitrosated derivatives) 6.5%*
- 2921 Amine-function compounds 0.0–6.5%*
- 2922 Oxygen-function amino-compounds 0.0–6.5%*
- 2923 Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined 0.0–6.5%*
- 2924 Carboxyamide-function compounds; amide-function compounds of carbonic acid 0.0–6.5%*
- 2925 Carboxyimide-function compounds, incl. saccharin and its salts, and imine-function compounds 0.0–6.5%*
- 2926 Nitrile-function compounds 6.0–6.5%*
- 2927 Diazo-, azo- og azoxyforbindelser 6.5%*
- 2928 Organiske derivater af hydrazin eller hydroxylamin 0.0%*
- 2929 Compounds with other nitrogen function (excl. amine-function compounds; oxygen-function amino-compounds; quaternary ammonium salts and hydroxides; lecithin and other phosphoaminolipids; carboxyamide-function compounds; amide-function compounds of carbonic acid; carboxyimide-function, imine-function or nitrile-function compounds; diazo-, azo- or azoxy-compounds; organic derivatives of hydrazine or of hydroxylamine) 6.5%*
- 2930 Organo-sulphur compounds 0.0–6.5%*
- 2931 Separate chemically defined organo-inorganic compounds (excl. organo-sulphur compounds and those of mercury) 0.0–6.5%*
- 2932 Heterocyclic compounds with oxygen hetero-atom[s] only 0.0–6.5%*
-
2933 Heterocyclic compounds with nitrogen hetero-atom[s] only you are here 0.0–6.5%*
- 2934 Nucleic acids and their salts, whether or not chemically defined; heterocyclic compounds (excl. with oxygen only or with nitrogen hetero-atom[s] only) 0.0–6.5%*
- 2935 Sulphonamides 0.0–6.5%*
- 2936 Provitamins and vitamins, natural or reproduced by synthesis, incl. natural concentrates, derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent 0.0%*
- 2937 Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof "incl. chain modified polypeptides", used primarily as hormones 0.0%*
- 2938 Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives 0.0–6.5%*
- 2939 Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives 0.0%*
- 2940 Sukkerarter, kemisk rene (undtagen saccharose, lactose, maltose, glucose og fructose); sukkerethere, sukkeracetaler og sukkerestere samt salte deraf (undtagen naturlige eller syntetisk reproducerede provitaminer, vitaminer, hormoner, glycosider og plantealkaloider samt salte, ethere, estere og andre derivater deraf) No rate on file
- 2941 Antibiotics 0.0–5.3%*
- 2942 Isolerede, kemisk definerede organiske forbindelser, i.a.n. 6.5%*
Check the neighbouring codes
The codes just before and after this one, in case a nearby group fits better.
Heterocyclic compounds with oxygen hetero-atom[s] only
Heterocyclic compounds with nitrogen hetero-atom[s] only
Nucleic acids and their salts, whether or not chemically defined; het…
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