tariffs.help
Log in Create free account

Code 2933 79 · Heading 2933

Lactams other than epsilon-caprolactam, clobazam and methyprylon, plus inorganic or organic mercury compounds

This code covers lactams, except 6-hexanlactam (epsilon-caprolactam), clobazam and methyprylon. It also covers inorganic or organic compounds of mercury.

Save Browse the codes below
See the official tariff text

Official tariff text

Lactams (excl. 6-hexanelactam "epsilon-caprolactam", clobazam "INN", methyprylon "INN", and inorganic or organic compounds of mercury)

Full 8-digit codes

Pick the description that best matches your product.

1 code 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.

  • 29.33.7909

    Other lactams

    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 79 00 15

    Ethyl N-(tert-Butoxycarbonyl)-L-pyroglutamate (CAS RN 144978-12-1)

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

  • 2933 79 00 23

    (S)-2-Amino-3-[(S)-2-oxopyrrolidin-3-yl]propanamide hydrochloride (CAS RN 2628280-48-6) 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 79 00 25

    Methyl 2-oxo-2,3-dihydro-1H-indole-6-carboxylate (CAS RN 14192-26-8)

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

  • 2933 79 00 30

    5-Vinyl-2-pyrrolidone (CAS RN 7529-16-0)

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

  • 2933 79 00 45

    1-phenyl-3H-indol-2-one (CAS RN 3335-98-6) 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 79 00 55

    (3S,4R)-3-Amino-4-hydroxypyrrolidin-2-one hydrochloride (CAS RN 2446872-13-3) 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 79 00 65

    1-Dodecyl-2-pyrrolidone (CAS RN 2687-96-9) 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 79 00 75

    N-(n-octyl)-2-pyrrolidone (CAS RN 2687-94-7) 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.
Show all 10 lines

  • 2933 79 00 85

    3,5-Dibromo-1-methyl-2(1H)-pyridinone (CAS RN 14529-54-5) 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 79 00 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 72

Clobazam "INN" and methyprylon "INN"
you are here 2933 79

Lactams (excl. 6-hexanelactam "epsilon-caprolactam", clobazam "INN", …

Next code 2933 91

Alprazolam "INN", camazepam "INN", chlordiazepoxide "INN", clonazepam…

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.