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Code 2933 39 · Heading 2933

Other nitrogen-only heterocyclic compounds with a non-fused pyridine ring, including hydrogenated forms

This code covers nitrogen-only heterocyclic compounds whose structure includes a non-fused pyridine ring, including hydrogenated forms. It applies when the product is not one of the specifically listed products or product groups in the more detailed lines below this group.

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See the official tariff text

Official tariff text

Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused pyridine ring, whether or not hydrogenated, in the structure, n.e.s.

This is the catch-all under 2933: it covers what the sibling codes below do not.

This is the remainder for nitrogen-only heterocyclic compounds with a non-fused pyridine ring, including hydrogenated forms, that are not specifically named in the other child lines.

Full 8-digit codes

Pick the description that best matches your product.

9 codes below this one

Compare the sibling codes

Classification decides the rate here: from 0.0% to 6.5%.

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

  • 29.33.3903

    3-Quinuclidinone

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU origin to use this rate.

  • 29.33.3904

    1-[N,N-Dialkyl (≤C10) -N-(hydroxyl, cyano, acetoxy)alkyl (≤C10)) ammonio]-n-(N-3-dimethylcarbamoxy-α-picolyl)-N,N-dialkyl (≤C10) ammonio]decane dibromide (n=1-8)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU origin to use this rate.

  • 29.33.3905

    1,n-Bis(N-(3-dimethylcarbamoxy-a-picolyl)-N,N-dialkyl (≤C10) ammonio]-alkane-(2,(n-1)-dione) dibromide (n=2-12)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU origin to use this rate.

  • 29.33.3908

    Other

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 9, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

  • 2933 39 10 00

    Iproniazid (INN); ketobemidone hydrochloride (INNM); pyridostigmine bromide (INN)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 20 00

    2,3,5,6-Tetrachloropyridine

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 25 00

    3,6-Dichloropyridine-2-carboxylic acid

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 35 00

    2-Hydroxyethylammonium-3,6-dichloropyridine-2-carboxylate

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 40 00

    2-Butoxyethyl(3,5,6-trichloro-2-pyridyloxy)acetate

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 45 00

    3,5-Dichloro-2,4,6-trifluoropyridine

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 50 00

    Fluroxypyr (ISO), methyl ester

    Ordinary duty
    4.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 55 00

    4-Methylpyridine

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
Show all 79 lines

  • 2933 39 99 01

    N-phenylpiperidin-4-amine (4-AP) (CAS RN 23056-29-3)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 02

    Tert-butyl 4-anilinopiperidine-1-carboxylate (1-boc-4-AP) (CAS RN 125541-22-2)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 03

    N-phenyl-N-(piperidin-4-yl)propanamide (norfentanyl) (CAS RN 1609-66-1)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 04

    Methyl 4-aminopicolinate (CAS RN 71469-93-7) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 05

    2,6-Bis-[1-(2-tert-butylphenylimino)-ethyl]pyridine (CAS RN 204203-17-8) with a purity by weight of 95 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 06

    Tert-butyl (3S)-3-hydroxypiperidine-1-carboxylate (CAS RN 143900-44-1) with a purity by weight of 97 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 07

    5-Bromo-2-methoxypyridine (CAS RN 13472-85-0) with a purity by weight of 99 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 08

    Fluazinam (ISO) (CAS RN 79622-59-6) with a purity by weight of 97 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 09

    2-(2-Pyridyl)ethanol (CAS RN 103-74-2) with a purity by weight of 99 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 10

    2-Aminopyridin-4-ol hydrochloride (CAS RN 1187932-09-7)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 11

    2-(Chloromethyl)-4-(3-methoxypropoxy)-3-methylpyridine hydrochloride(CAS RN 153259-31-5)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 12

    2,3-Dichloropyridine (CAS RN 2402-77-9)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 13

    Imazamox (ISO) (CAS RN 114311-32-9) with a purity by weight of 95 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 15

    (S)-6-Bromo-2-(4-(3-(1,3-dioxoisoindolin-2-yl)propyl)-2,2-dimethylpyrrolidin-1-yl)nicotinamide (CAS RN 2606972-45-4) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 16

    Tert-butyl (3R)-3-aminopiperidine-1-carboxylate (CAS RN 188111-79-7) with a purity by weight of 96 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 17

    2,4-Dichloro-3-nitropyridine (CAS RN 5975-12-2) with a purity by weight of 99 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 18

    Perfluorophenyl 6-fluoropyridine-2-sulfonate (CAS RN 2608048-81-1) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 19

    5-Chloro-1-(4-piperidyl)-1H-benzimidazol-2(3H)-one (CAS RN 53786-28-0) with a purity by weight of 99 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 22

    N-(5-bromo-3-methylpyridin-2-yl)-N-methylbenzamide (CAS RN 446299-80-5) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 24

    2-Chloromethyl-4-methoxy-3,5-dimethylpyridine hydrochloride (CAS RN 86604-75-3)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 27

    Pyridine-2,6-dicarboxylic acid (CAS RN 499-83-2)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 28

    Ethyl-3-[(3-amino-4-methylamino-benzoyl)-pyridin-2-yl-amino]-propionate (CAS RN 212322-56-0)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 31

    2-(Chloromethyl)-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine hydrochloride(CAS RN 127337-60-4)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 32

    2-(Chloromethyl)-3,4-dimethoxypyridine hydrochloride (CAS RN 72830-09-2)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 33

    5-(3-chlorophenyl)-3-methoxypyridine-2-carbonitrile (CAS RN 1415226-39-9)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 34

    Pyridin-3-ol (CAS RN 109-00-2) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 35

    Aminopyralid (ISO) (CAS RN 150114-71-9)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 36

    1-[2-[5-Methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]acetyl]piperidine-4-carbothioamide (CAS RN 1003319-95-6)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 37

    Aqueous solution of pyridine-2-thiol-1-oxide, sodium salt (CAS RN 3811-73-2)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 38

    (2-chloropyridin-3-yl) methanol (CAS RN 42330-59-6)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 40

    2-Hydroxypyridine-N-oxide (CAS RN 13161-30-3) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 42

    Glasdegib maleate (INN) (CAS RN 2030410-25-2) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 44

    Fluroxypyr-meptyl (CAS RN 81406-37-3) with a purity by weight of 95 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 45

    2,4-Dichloropyridine-3-carboxaldehyde (CAS RN 134031-24-6) with a purity by weight of 95 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 46

    Fluopicolide (ISO) (CAS RN 239110-15-7) with a content by weight of 97% or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 47

    (-)-trans-4-(4'-Fluorophenyl)-3-hydroxymethyl-N-methylpiperidine (CAS RN 105812-81-5)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 48

    Flonicamid (ISO) (CAS RN 158062-67-0)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 49

    2-Phenyl-2-(2-pyridyl)acetamide (CAS RN 7251-52-7) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 50

    N,4-Dimethyl-1-(phenylmethyl)- 3-piperidinamine hydrochloride (1:2) (CAS RN 1228879-37-5) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 51

    2-Amino-3-bromo-5-nitropyridine (CAS RN 15862-31-4) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 53

    5-Methyl-2-pyridylamine (CAS RN 1603-41-4) with a purity by weight of 99 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 54

    2,5-Dichloro-4,6-dimethylpyridine-3-carbonitrile (CAS RN 91591-63-8) with a purity by weight of 99 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 55

    Pyriproxyfen (ISO) (CAS RN 95737-68-1) of a purity by weight of 97 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 56

    2-[[[3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulfanyl]1H-benzimidazole (CAS RN 103577-40-8) with a purity by weight of 99 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 57

    Tert-butyl 3-(6-amino-3-methylpyridin-2-yl)benzoate (CAS RN 1083057-14-0)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 58

    Tert-butyl N-[5-(trifluoromethyl)pyridin-3-yl]carbamate (CAS RN 1187055-61-3) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 60

    2-Fluoro-6-(trifluoromethyl)pyridine (CAS RN 94239-04-0)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 62

    Ethyl 2,6-Dichloronicotinate (CAS RN 58584-86-4)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 63

    1-Methyl-4-piperidone (CAS RN 1445-73-4) with a purity by weight of 97 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 65

    Acetamiprid (ISO) (CAS RN 135410-20-7)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 66

    (2S,4S)-4-Ethoxy-2-[4-(methoxycarbonyl)phenyl]piperidin-1-ium(2Z)-3-carboxyprop-2-enoate (CAS RN 2408761-21-5) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 68

    1-(3-Chloropyridin-2-yl)-3-[[5-(trifluoromethyl)-2H-tetrazol-2-yl]methyl]-1H-pyrazole-5-carboxylic acid (CAS RN 1352319-02-8) with a purity by weight of 85 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 70

    2,3-Dichloro-5-trifluoromethylpyridine, (CAS RN 69045-84-7)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 72

    N-[(1S,5R)-8-Benzyl-8-azabicyclo[3.2.1]octane-3-yl]-2-methylpropanamide (CAS RN 376348-67-3) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 73

    6-Chloro-4-(4-fluoro-2-methylphenyl)pyridin-3-amine hydrochloride

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 75

    Clodinafop-propargyl (ISO) (CAS RN 105512-06-9) with a purity by weight of 90 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 76

    Apalutamide (INN) (CAS RN 956104-40-8)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 78

    Niraparib tosylate monohydrate (INNM) (CAS RN 1613220-15-7)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 80

    Tert-Butyl (3R)-3-(4-amino-2-oxo-2,3-dihydro-1H-imidazo[4, 5-c]pyridin-1-yl)piperidine-1-carboxylate (CAS RN 1971921-33-1) with a purity by weight of 95 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 81

    4-Hydroxy-3-pyridinesulphonic acid (CAS RN 51498-37-4) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 82

    Picloram (ISO) (CAS RN 1918-02-1) containing by weight not more than 15 % of water and with a dry weight purity of 92 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 84

    Diethyl(3-pyridyl)borane (CAS RN 89878-14-8) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 85

    2-Chloro-5-chloromethylpyridine (CAS RN 70258-18-3)

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 88

    (1R,2S,4R)-2-Benzhydrylquinuclidin-3-one (2R,3R)-2,3-dihydroxysuccinate (CAS RN 683206-54-4) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 89

    1-Benzyl-4-phenylpiperidine-4-carbonitrile monohydrochloride (CAS RN 71258-18-9) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 91

    Piperidin-4-one CAS No 41661-47-6

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 92

    Tert-butyl 4-oxopiperidine-1-carboxylate CAS No 79099-07-3

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 93

    Boscalid (ISO) (CAS RN 188425-85-6) with a purity by weight of 98 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 94

    Cyantraniliprole (ISO) (CAS RN 736994-63-1) with a purity by weight of 90 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 95

    Fluopyram (ISO) (CAS RN 658066-35-4) with a purity by weight of 96,5 % or more

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 39 99 99

    Other

    Ordinary duty
    Depends on the product details
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1576, last checked Aug. 9, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 27 codes at this level
Previous code 2933 37

N-Phenethyl-4-piperidone "NPP"
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Heterocyclic compounds with nitrogen hetero-atom[s] only, containing …

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Levorphanol "INN" and its salts

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.