Subheading · Chapter 29 · Heading 2934
2934.20: Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused
Subheading 2934.20 belongs to heading 2934 (nucleic acids and their salts) in chapter 29.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 2934 20 00 00 Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused
- 2934 20 20 00 Di(benzothiazol-2-yl)disulphide; benzothiazole-2-thiol (mercaptobenzothiazole) and its salts 6%
- 2934 20 80 00 Other
- 2934 20 80 15 Benthiavalicarb-isopropyl (iso) (cas rn 177406-68-7) 6%
- 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 6%
- 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 6%
- 2934 20 80 70 N,n-bis(1.3-benzothiazol-2-ylsulphanyl)-2-methylpropan-2-amine (cas rn 3741-80-8) 6%
- 2934 20 80 90 Other Free
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 3
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 833
- Documents
- 9018
- Duty suspensionSuspension - goods for certain categories of ships, boats and other vessels and for drilling or production platforms Free
- Applies to goods from
- all countries
- Legal act
- 2020 No. 1431
- Documents
- C990 End use authorisation ships and platforms (Column 8c, Annex A of Delegated Regulation (EU) 2015/2446)
- Duty suspensionAutonomous tariff suspension Free
- Applies to goods from
- all countries
- In force
- until 31 December 2028
- Legal act
- 2020 No. 1435
- Documents
- 9Y12
- Tariff lines
- on 4 of 6 lines
Import requirements 1
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Ukraine
- Legal act
- S.I. 2022/395
- Documents
- 9009
- 9010
- 9017
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free – 6% |
| DCTS Comprehensive | Afghanistan, Angola, Bangladesh, Benin and 38 moreAfghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia | Free |
| European Union (including code " EU") | Free | |
| DCTS Enhanced | Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 moreAlgeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu | Free |
| CARIFORUM | Antigua & Barbuda, Bahamas, Barbados, Belize and 10 moreAntigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago | Free |
| OCTs (Overseas Countries and Territories) | Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 moreAnguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands | Free |
| Central America | Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama | Free |
| SADC EPA | Botswana, Eswatini, Lesotho, Mozambique, Namibia | Free |
| Eastern and Southern Africa States | Madagascar, Mauritius, Seychelles, Zimbabwe | Free |
| CPTPP | Brunei, Malaysia | Free |
| UK–Andorra agreement | Andorra | Free |
| UK–Albania agreement | Albania | Free |
| UK–Australia agreement | Australia | Free |
| UK–Canada agreement | Canada | Free |
| UK–Switzerland agreement | Switzerland | Free |
| UK–Côte d’Ivoire agreement | Côte d’Ivoire | Free |
| UK–Chile agreement | Chile | Free |
| UK–Cameroon agreement | Cameroon | Free |
| UK–Colombia agreement | Colombia | Free |
| UK–Ceuta & Melilla agreement | Ceuta & Melilla | Free |
| UK–Ecuador agreement | Ecuador | Free |
| UK–Egypt agreement | Egypt | Free |
| UK–Fiji agreement | Fiji | Free |
| UK–Faroe Islands agreement | Faroe Islands | Free |
| UK–Georgia agreement | Georgia | Free |
| UK–Ghana agreement | Ghana | Free |
| DCTS Standard | Indonesia | Free |
| UK–Israel agreement | Israel | Free |
| UK–India agreement | India | Free |
| UK–Iceland agreement | Iceland | Free |
| UK–Jordan agreement | Jordan | Free |
| UK–Japan agreement | Japan | Free |
| UK–Kenya agreement | Kenya | Free |
| UK–South Korea agreement | South Korea | Free |
| UK–Lebanon agreement | Lebanon | Free |
| UK–Liechtenstein agreement | Liechtenstein | Free |
| UK–Morocco agreement | Morocco | Free |
| UK–Moldova agreement | Moldova | Free |
| UK–North Macedonia agreement | North Macedonia | Free |
| UK–Mexico agreement | Mexico | Free |
| UK–Norway agreement | Norway | Free |
| UK–New Zealand agreement | New Zealand | Free |
| UK–Peru agreement | Peru | Free |
| UK–Papua New Guinea agreement | Papua New Guinea | Free |
| UK–Palestinian Territories agreement | Palestinian Territories | Free |
| UK–Serbia agreement | Serbia | Free |
| UK–Solomon Islands agreement | Solomon Islands | Free |
| UK–Singapore agreement | Singapore | Free |
| UK–San Marino agreement | San Marino | Free |
| UK–Tunisia agreement | Tunisia | Free |
| UK–Türkiye agreement | Türkiye | Free |
| UK–Ukraine agreement | Ukraine | Free |
| UK–Vietnam agreement | Vietnam | Free |
| UK–Samoa agreement | Samoa | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–South Africa agreement | South Africa | Free |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 China | £3.4m | 66.7% | -10.9% |
 Spain | £1m | 20.3% | +0.1% |
 Belgium | £369k | 7.2% | -27.1% |
 United States | £154k | 3% | -10% |
 Italy | £78k | 1.5% | +3,286.6% |
 India | £31k | 0.6% | -79.9% |
 France | £27k | 0.5% | +196% |
 Netherlands | £8k | 0.2% | -76.9% |
Same subheading in other tariffs
EU
TürkiyeWorld trade in 2024
Trade value (US$) no reported trade < US$128kUS$128k+US$1m+US$12m+> US$81m
Exports: 69
- China: US$350m
- Belgium: US$81m
- United States: US$29m
- India: US$26m
- Spain: US$25m
- Slovakia: US$21m
- Germany: US$12m
- Japan: US$11m
- Italy: US$5m
- Netherlands: US$4m
- France: US$4m
- Taiwan: US$3m
- Ireland: US$2m
- United Kingdom: US$2m
- South Korea: US$2m
- Poland: US$1m
- Malta: US$918k
- Sweden: US$776k
- Singapore: US$698k
- Brazil: US$606k
- Australia: US$595k
- Canada: US$517k
- Portugal: US$356k
- Norway: US$316k
- Thailand: US$316k
- Switzerland: US$246k
- Ukraine: US$243k
- Czechia: US$238k
- Türkiye: US$182k
- Mexico: US$168k
- Hungary: US$161k
- Vietnam: US$128k
- Indonesia: US$119k
- Russia: US$98k
- Uruguay: US$71k
- Malaysia: US$62k
- Hong Kong SAR China: US$59k
- Finland: US$54k
- Serbia: US$33k
- Latvia: US$32k
- Israel: US$30k
- Greece: US$28k
- Denmark: US$28k
- Romania: US$28k
- Uzbekistan: US$26k
- Peru: US$22k
- Colombia: US$22k
- Bulgaria: US$21k
- Croatia: US$19k
- South Africa: US$19k
- Guatemala: US$15k
- Chile: US$14k
- Estonia: US$14k
- Lithuania: US$10k
- Saudi Arabia: US$8k
- Austria: US$8k
- Slovenia: US$7k
- Kazakhstan: US$4k
- Dominican Republic: US$3k
- Cyprus: US$2k
Trade value (US$) no reported trade < US$237kUS$237k+US$4m+US$12m+> US$30m
Imports: 123
- United States: US$108m
- Brazil: US$41m
- Germany: US$40m
- Mexico: US$30m
- Japan: US$29m
- India: US$29m
- Thailand: US$25m
- Vietnam: US$23m
- South Korea: US$23m
- Italy: US$22m
- Türkiye: US$21m
- Belgium: US$14m
- Canada: US$12m
- Slovakia: US$12m
- Russia: US$11m
- France: US$10m
- Spain: US$10m
- Czechia: US$10m
- United Kingdom: US$8m
- Argentina: US$8m
- Poland: US$8m
- Hungary: US$8m
- Indonesia: US$6m
- Netherlands: US$6m
- Taiwan: US$6m
- Portugal: US$5m
- Romania: US$5m
- Cambodia: US$5m
- Luxembourg: US$5m
- Serbia: US$4m
- China: US$4m
- Switzerland: US$3m
- Finland: US$3m
- Singapore: US$2m
- Philippines: US$2m
- United Arab Emirates: US$2m
- Egypt: US$2m
- Pakistan: US$2m
- Greece: US$2m
- Malaysia: US$2m
- Colombia: US$1m
- Peru: US$1m
- Australia: US$1m
- Slovenia: US$1m
- Uruguay: US$917k
- Hong Kong SAR China: US$838k
- South Africa: US$826k
- Ukraine: US$698k
- Iran: US$640k
- Saudi Arabia: US$570k
- Austria: US$498k
- Ecuador: US$454k
- Chile: US$430k
- Algeria: US$407k
- Bangladesh: US$402k
- Sweden: US$372k
- Oman: US$364k
- Costa Rica: US$326k
- Nigeria: US$308k
- Sri Lanka: US$307k
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | China | US$350m | 59.9% |
| 2 | Belgium | US$81m | 13.9% |
| 3 | United States | US$29m | 5% |
| 4 | India | US$26m | 4.4% |
| 5 | Spain | US$25m | 4.3% |
| 6 |  Slovakia | US$21m | 3.6% |
| 7 |  Germany | US$12m | 2.1% |
| 8 |  Japan | US$11m | 1.9% |
| 9 | Italy | US$5m | 0.8% |
| 10 | Netherlands | US$4m | 0.6% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$108m | 18.5% |
| 2 |  Brazil | US$41m | 7% |
| 3 | Germany | US$40m | 6.9% |
| 4 |  Mexico | US$30m | 5.1% |
| 5 | Japan | US$29m | 5% |
| 6 | India | US$29m | 5% |
| 7 |  Thailand | US$25m | 4.3% |
| 8 |  Vietnam | US$23m | 4% |
| 9 |  South Korea | US$23m | 3.9% |
| 10 | Italy | US$22m | 3.8% |
Binding rulings for similar goods 1
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N291959 U.S. CBP
The tariff classification of Lurasidone (CAS No. 367514-87-2) in bulk powder form, from Italy
Recent rule changes mentioning this code
Acts whose text cites this code or its heading. Check the act itself: a code can be cited for reasons other than a change of its duty.
- Anti-dumping
FR Doc. 2026-21143 · 91 FR 65776 · Source: federalregister.gov
- Anti-dumping
FR Doc. 2026-20692 · 91 FR 64337 · Source: federalregister.gov
- Tariff change
FR Doc. 2026-19498 · 91 FR 60360 · Source: federalregister.gov
- Import and export controls
FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov
- Tariff change
FR Doc. 2026-11158 · 91 FR 33854 · Source: federalregister.gov
- Countervailing duty
FR Doc. 2026-11001 · 91 FR 32946 · Source: federalregister.gov
- Anti-dumping
FR Doc. 2026-09337 · 91 FR 25923 · Source: federalregister.gov
The UK Global Tariff divides subheading 2934.20 into 6 tariff lines; the duty is between 0% and 6% (average 5%). 1 of them is duty-free.
In the EU Combined Nomenclature, subheading 2934.20 covers 2 tariff lines and the duty is 6.5%.
174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of Free – 6%.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of these goods into the UK came to £5.2m between September 2025 and August 2026 (down 12% on the year before); China supplied 67%, followed by Spain.
In 2024, countries exported these goods worth US$585m (+0.4% year on year).
The largest exporter was China (US$350m), followed by Belgium.
Questions and answers
What is the HS code for compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused?
Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused fall under HS subheading 2934.20, part of heading 2934, in section VI of the Harmonized System.
What is the import duty on compounds containing in the structure a… in the UK?
Under the UK Global Tariff, imports under 2934.20 from countries without a preferential agreement are charged at 0% to 6%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on compounds containing in the structure a… in the EU?
Under the EU Combined Nomenclature, imports under 2934.20 from countries without a preferential agreement are charged at 6.5%. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most compounds containing in the structure a…?
China, with US$350m in 2024 (59.9% of world exports).
Which countries can export these goods to the UK duty-free?
174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of Free – 6% applies. Pick a country above to see its rate.
Is there anti-dumping duty on these goods?
The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.
Where does the UK import these goods from?
In the 12 months to August 2026, the largest suppliers were China (67%), Spain (20%) and Belgium (7%), out of total imports of £5.2m.