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Code 2934 20 · Heading 2934

Benzothiazole-ring compounds, including hydrogenated forms, with no other fused rings and excluding mercury components

This covers heterocyclic compounds whose structure includes a benzothiazole ring, including hydrogenated forms. They must not have other fused rings, and inorganic or organic mercury components are excluded.

For example

  • Benzothiazole
See the official tariff text

Official tariff text

Heterocyclic compounds containing in the structure a benzothiazole ring-system, whether or not hydrogenated, but not further fused (excl. inorganic or organic compounds of mercury)

How we got to this code

  1. VI
  2. 29
  3. 2934
  4. 2934 20
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Pick the 8-digit code

Pick the description that best matches your product.

Import duty on the codes below: 6.5%

2 codes below this one

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See all 6 codes at this level

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

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

  • Their lines1 Norwegian line

29.34.2000 Compounds containing in the structure a benzothiazole ringsystem

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

The rate depends on the line.

  • Their lines6 British lines
  • EU originDuty free

2934 20 20 00 Di(benzothiazol-2-yl)disulphide; benzothiazole-2-thiol (mercaptobenzothiazole)

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

10.0%

Estimated from published US measures

  • Their lines9 US lines
  • Entry dateSept. 17, 2026

2934.20.05.00 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 1 Norwegian line

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

  • 29.34.2000

    Compounds containing in the structure a benzothiazole ringsystem (whether or not hydrogenated), not further fused

    Ordinary duty
    Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

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

See the 6 British lines

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

  • 2934 20 20 00

    Di(benzothiazol-2-yl)disulphide; benzothiazole-2-thiol (mercaptobenzothiazole) and its salts

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

  • 2934 20 80 15

    Benthiavalicarb-isopropyl (ISO) (CAS RN 177406-68-7)

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

  • 2934 20 80 25

    1,2-Benzisothiazol-3(2H)-one (CAS RN 2634-33-5) in the form of a powder with a purity by weight of 95 % or more, or in an aqueous mixture containing by weight 20 % or more of 1,2-benzisothiazol-3(2H)-one

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

  • 2934 20 80 35

    3-Methyl-1,2-benzothiazole-1,1-dioxide (CAS RN 34989-82-7) 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.

  • 2934 20 80 70

    N,N-Bis(1,3-benzothiazol-2-ylsulphanyl)-2-methylpropan-2-amine (CAS RN 3741-80-8)

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

  • 2934 20 80 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 v4.0.1599, last checked Sept. 13, 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).

See the 9 US lines

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

  • 2934.20.05.00

    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, N-tert-Butyl-2-benzothiazolesulfenamide

    General rate
    6.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2934.20.10.00

    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, 2,2'-Dithiobisbenzothiazole

    General rate
    6.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2934.20.15.00

    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, 2-Mercaptobenzothiazole; andN-(Oxydiethylene)benzothiazole-2-sulfenamide

    General rate
    6.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2934.20.20.00

    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, 2-Mercaptobenzothiazole, sodium salt (2-Benzothiazolethiol, sodium salt)

    General rate
    6.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2934.20.25.00

    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, 2-Amino-5,6-dichloro benzo thiazole; 2-(4-Amino phenyl)-6-methyl benzo thiazole-7- sulfonic acid; 2-Amino-6-nitro benzo thiazole; andN,N-Di cyclo hexyl-2-benzo thiazole sulfenamide

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2934.20.30.00

    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, 2-Amino-6-methoxy benzo thiazole; 2-Amino-6-methyl benzo thiazole; 6-Ethoxy-2-benzo thiazo lethiol; 3-Methyl benzo thiazole-2-hydrazone; and Primuline base

    General rate
    5.8%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2934.20.35.00

    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, Other, Pesticides

    General rate
    6.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2934.20.40.00

    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, Other, Products described in additional U.S. note 3 to section VI

    General rate
    6.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
Show all 9 lines

  • 2934.20.80.00

    Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, Other

    General rate
    6.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, 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.