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Code 2933 19 · Heading 2933

Nitrogen-only heterocyclic compounds with a non-fused pyrazole ring, including hydrogenated forms, excluding phenazone and its derivatives

This code covers heterocyclic compounds whose only heteroatoms are nitrogen and whose structure contains a non-fused pyrazole ring, including hydrogenated forms. Phenazone and its derivatives are excluded; phenylbutazone is the specifically named product in one of this code’s children.

For example

  • Phenylbutazone (INN)
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See the official tariff text

Official tariff text

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)

Full 8-digit codes

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2 codes below this one

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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.

  • 29.33.1900

    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 19 10 00

    Phenylbutazone (INN)

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

  • 2933 19 90 15

    Pyrasulfotole (ISO) (CAS RN 365400-11-9) with a purity by weight of 96 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 27

    3-(3,3,3-trifluoro-2,2-dimethylpropoxy)-1H-pyrazole-4-carboxylic acid (CAS RN 2229861-20-3) with a purity by weight of 95 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 33

    Fipronil (ISO) (CAS RN 120068-37-3) with a purity by weight of 95 % or more for the use in the manufacture of veterinary medicine

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 38

    4,5-Dimethyl-1H-pyrazole-3-carboxylic acid (CAS RN 89831-40-3) with a purity by weight of 98 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 40

    Edaravone (INN) (CAS RN 89-25-8)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 45

    5-Amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-1H-pyrazole-3-carbonitrile (CAS RN 120068-79-3)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 48

    1-(3-iodo-1-isopropyl-1H-pyrazol-4-yl)ethanone (CAS RN 1269440-49-4) with a purity by weight of 98 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
Show all 19 lines

  • 2933 19 90 50

    Fenpyroximate (ISO) (CAS RN 134098-61-6)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 53

    3-[2-(Dispiro[2.0.2⁴.1³]heptan-7-yl)ethoxy]-1H-pyrazole-4-carboxylic acid (CAS RN 2608048-67-3) with a purity by weight of 98 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 58

    1H-Pyrazole (CAS RN 288-13-1) with a purity by weight of 98 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 60

    Pyraflufen-ethyl (ISO) (CAS RN 129630-19-9)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 63

    3-Difluoromethyl-1-methyl-1H-pyrazole-4-carboxylic acid (CAS RN 176969-34-9) with a purity by weight of 97 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 68

    1-Methyl-1H-pyrazol-4-amine hydrochloride (CAS RN 127107-23-7) with a purity by weight of 95 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 70

    4,5-Diamino-1-(2-hydroxyethyl)-pyrazolsulphate (CAS RN 155601-30-2)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 73

    2,4-Dihydro-2,5-dimethyl-3H-pyrazol-3-one (CAS RN 2749-59-9) with a purity by weight of 99 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 78

    3-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS RN 119-17-5) with a purity by weight of 95 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 83

    Isomeric mixture containing by weight 97 % or more of the two isomers -2-(3,4-Dimethyl-1H-pyrazol-1-yl)succinic acid and -2-(4,5-Dimethyl-1H-pyrazol-1-yl)succinic acid (CAS RN 2241455-89-8)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2933 19 90 90

    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. 3, 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 11

Phenazone "antipyrin" and its derivatives
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Heterocyclic compounds with nitrogen hetero-atom[s] only, containing …

Next code 2933 21

Hydantoin and its derivatives

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.