2933.59: Compounds containing a pyrimidine ring: other

1. 2933 59 00 00 Other
2. 2933 59 10 00 Diazinon (iso) Free
3. 2933 59 20 00 1.4-diazabicyclo[2.2.2]octane (triethylenediamine) Free
4. 2933 59 95 00 Other
5. 2933 59 95 10 6-amino-1.3-dimethyluracil (cas rn 6642-31-5) Free
6. 2933 59 95 13 2-diethylamino-6-hydroxy-4-methylpyrimidine (cas rn 42487-72-9) Free
7. 2933 59 95 14 2-chloro-7-cyclopentyl-n,n-dimethyl-7h-pyrrolo[2.3-d]pyrimidine-6-carboxamide (cas rn 1211443-61-6) with a purity by weight of 97% or more Free
8. 2933 59 95 16 Tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate (cas rn 571188-59-5) with a purity by weight of 98% or more Free
9. 2933 59 95 19 Tert-butyl 4-[(2-chloropyrimidin-5-yl)oxy]butanoate (cas rn 945771-55-1) with a purity by weight of 95% or more Free
10. 2933 59 95 20 2.4-diamino-6-chloropyrimidine (cas rn 156-83-2) Free
11. 2933 59 95 27 2-[(2-amino-6-oxo-1.6-dihydro-9h-purin-9-yl)methoxy]-3-hydroxypropylacetate (cas rn 88110-89-8) Free
12. 2933 59 95 29 2-amino-4-(4-methylpiperazin-1-yl) benzoic acid tert-butyl ester (cas rn 1034975-35-3) with a purity by weight of 95% or more Free
13. 2933 59 95 31 Sotorasib (inn) (cas rn 2296729-00-3) with a purity by weight of 99% or more Free
14. 2933 59 95 32 5-chloro-3-nitropyrazolo[1.5-a]pyrimidine (cas rn 1363380-51-1) with a purity by weight of 98% or more Free
15. 2933 59 95 33 4.6-dichloro-5-fluoropyrimidine (cas rn 213265-83-9) Free
16. 2933 59 95 34 6-chloro-1.3-dimethyluracil (cas rn 6972-27-6) with a purity by weight of 97% or more Free
17. 2933 59 95 35 3-iodo-1h-pyrazolo[3.4-d]pyrimidin-4-amine (cas rn 151266-23-8) with a purity by weight of 98% or more Free
18. 2933 59 95 36 1-(cyclopropylcarbonyl)piperazine hydrochloride (cas rn 1021298-67-8) with a purity by weight of 98% or more Free
19. 2933 59 95 38 5-(5-chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1.6-dihydro-7h-pyrazolo[4.3-d]pyrimidin-7-one (cas no 139756-22-2) with a purity by weight of 98% or more Free
20. 2933 59 95 40 Pirimiphos-methyl (iso) (cas rn 29232-93-7) with a purity by weight of 90% or more Free
21. 2933 59 95 41 2-(4-phenoxyphenyl)-7-(piperidin-4-yl)-4.5,6.7-tetrahydropyrazolo[1.5-a]pyrimidine-3-carbonitrile (cas rn 2190506-57-9) with a purity by weight of 98% or more Free
22. 2933 59 95 44 1.4,5.6-tetrahydro-1.2-dimethylpyrimidine (cas rn 4271-96-9) with a purity by weight of 98% or more Free
23. 2933 59 95 45 1-[3-(hydroxymethyl)pyridin-2-yl]-4-methyl-2-phenylpiperazine (cas rn 61337-89-1) Free
24. 2933 59 95 46 Trilaciclib (cas rn 1374743-00-6) with a purity by weight of 99% or more Free
25. 2933 59 95 47 6-methyl-2-oxoperhydropyrimidin-4-ylurea (cas rn 1129-42-6) with a purity of 94% or more Free
26. 2933 59 95 50 2-(2-piperazin-1-ylethoxy)ethanol (cas rn 13349-82-1) Free
27. 2933 59 95 51 (1r,5s)-8-benzyl-3.8-diazabicyclo[3.2.1]octane; 4-(4-hydroxyphenyl)phenol (2:1) (cas rn 2642049-87-2) with a purity by weight of 95% or more Free
28. 2933 59 95 52 6-benzyladenine (cas rn 1214-39-7) with a purity by weight of 97% or more Free
29. 2933 59 95 54 2-chloro-4-methylpyrimidine (cas rn 13036-57-2) with a purity by weight of 99% or more Free
30. 2933 59 95 56 Ruxolitinib phosphate (innm) (cas rn 1092939-17-7) with a purity by weight of 99% or more Free
31. 2933 59 95 58 Sitagliptin phosphate monohydrate (innm) (cas rn 654671-77-9) with a purity by weight of 95% or more, and containing by weight not more than 1% of a stabiliser Free
32. 2933 59 95 60 2.6-dichloro-4.8-dipiperidinopyrimido[5.4-d]pyrimidine (cas rn 7139-02-8) Free
33. 2933 59 95 61 4-methyl-7h-pyrrolo[2.3-d]pyrimidine (cas rn 945950-37-8) with a purity by weight of 98% or more Free
34. 2933 59 95 63 1-(3-chlorophenyl) piperazine (cas rn 6640-24-0) Free
35. 2933 59 95 64 Thiopental (innm) (cas rn 76-75-5) with a purity by weight of 98% or more Free
36. 2933 59 95 65 1-chloromethyl-4-fluoro-1.4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) (cas rn 140681-55-6) Free
37. 2933 59 95 66 Piperazin-2-one (cas rn 5625-67-2) with a purity by weight of 96% or more Free
38. 2933 59 95 68 Guanine (cas rn 73-40-5) with a purity by weight of 99% or more Free
39. 2933 59 95 70 N-(4-ethyl-2.3-dioxopiperazin-1-ylcarbonyl)-d-2-phenylglycine (cas rn 63422-71-9) Free
40. 2933 59 95 77 3-(trifluoromethyl)-5.6,7.8-tetrahydro[1.2,4]triazolo[4.3-a]pyrazine hydrochloride (1:1) (cas rn 762240-92-6) Free
41. 2933 59 95 82 Ametoctradin (iso) (cas rn 865318-97-4) with a purity by weight of 98% or more Free
42. 2933 59 95 87 5-bromo-2.4-dichloropyrimidine (cas rn 36082-50-5) Free
43. 2933 59 95 90 Other Free

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Preferential rates by country

UK: imports by month

last 12 months£306.7m-21.1% · previous 12 months

Average import price£58.45 per kg

Main suppliers, last 12 months

Country	Value	Share	Change
Italy	£84.3m	27.5%	-39.5%
Ireland	£63.6m	20.7%	+4.6%
China	£46.9m	15.3%	+33.8%
Germany	£33.9m	11.1%	+23.3%
Singapore	£29.4m	9.6%	-63.3%
Switzerland	£17.5m	5.7%	-15.8%
Japan	£8.9m	2.9%	+46.9%
India	£7.5m	2.5%	+3.4%

Same subheading in other tariffs

EU Free – 6.5% Third-country duty 3 tariff lines · average 2.2% Türkiye Free – 6.5% Third-country duty 20 tariff lines · average 5.8% USA Free – 6.5% General (MFN) 13 tariff lines · average 5.8% Canada Free General (MFN) 3 tariff lines Mexico Free – 5% General (MFN) 10 tariff lines · average 0.5% Brazil Free – 12.6% General (MFN) 26 tariff lines · average 4.6% Argentina Free – 12.6% General (MFN) 58 tariff lines · average 2% Peru Free General (MFN) 7 tariff lines New Zealand Free General (MFN) 8 tariff lines Japan Free – 3.1% General (MFN) 3 tariff lines · average 2.1% Taiwan 5% General (MFN) 6 tariff lines GCC 5% General (MFN) 1 tariff line Switzerland Free General (MFN) 1 tariff line Norway Free General (MFN) 1 tariff line North Macedonia Free General (MFN) 3 tariff lines Nigeria 5% General (MFN) 1 tariff line

World trade in 2024

Top exporters

Rank	Country	Value	Share
1	Switzerland	US$6.8bn	29.9%
2	Ireland	US$6.1bn	26.8%
3	China	US$4.2bn	18.4%
4	United States	US$1.1bn	4.7%
5	India	US$764m	3.4%
6	Singapore	US$725m	3.2%
7	Spain	US$523m	2.3%
8	Italy	US$494m	2.2%
9	United Kingdom	US$450m	2%
10	Belgium	US$337m	1.5%

Top importers

Rank	Country	Value	Share
1	Slovenia	US$6.8bn	29.9%
2	United States	US$6.3bn	27.6%
3	Germany	US$3.3bn	14.6%
4	Belgium	US$856m	3.8%
5	Switzerland	US$492m	2.2%
6	Italy	US$428m	1.9%
7	Ireland	US$407m	1.8%
8	United Kingdom	US$397m	1.8%
9	India	US$387m	1.7%
10	Japan	US$287m	1.3%

Import duty on this product around the world 165

The most-favoured-nation (MFN) duty each country applies to goods of this HS subheading: the average over its national tariff lines, with the lowest and highest line where they differ. Goods from countries with a trade agreement often pay less.

• 5%median duty
• 57number of duty-free countries (MFN)
• 45%highest: Bahamas, Bermuda, Cayman Islands

165

Importing country	MFN duty	lines from – to	data year
Afghanistan	5%		2018 · HS 2012
Albania	0%		2023
Algeria	15%		2023
Angola	0%		2023 · HS 2017
Anguilla	10%		2021 · HS 2017
Antigua & Barbuda	5%		2021 · HS 2007
Argentina	6.3%	2% – 14%	2023 · HS 2017
Armenia	1%	0% – 3%	2023
Aruba	6%		2021 · HS 2012
Australia	0%		2023
Azerbaijan	0%		2023 · HS 2017
Bahamas	45%		2022
Bahrain	5%		2023
Bangladesh	2.5%	0% – 5%	2023 · HS 2017
Barbados	5%		2022 · HS 2017
Belarus	1%	0% – 3%	2021 · HS 2017
Belize	5%		2023
Benin	5%		2023
Bermuda	25%		2023
Bhutan	10%		2022
Bolivia	5%		2023 · HS 2017
Bosnia & Herzegovina	0%		2022
Botswana	5%	0% – 10%	2023
Brazil	6.3%	2% – 14%	2023 · HS 2017
Brunei	0%		2023 · HS 2017
Burkina Faso	5%		2023
Burundi	0%		2023
Cambodia	7%		2023 · HS 2017
Cameroon	10%		2023
Canada	0%		2023
Cape Verde	5%		2023 · HS 2017
Cayman Islands	22%		2021 · HS 2002
Central African Republic	10%		2023
Chad	10%		2023
Chile	6%		2023 · HS 2017
China	6.5%		2023
Colombia	0%		2023 · HS 2017
Comoros	20%		2021 · HS 2017
Congo - Brazzaville	10%		2023
Cook Islands	0%		2022 · HS 2017
Costa Rica	0%		2023
Côte d’Ivoire	5%		2023 · HS 2017
Cuba	10%		2023 · HS 2017
Dominica	5%		2023 · HS 2017
Dominican Republic	0%		2023
Ecuador	0%		2023 · HS 2017
Egypt	2%		2019 · HS 2017
El Salvador	0%		2022
Equatorial Guinea	10%		2023
Eswatini	5%	0% – 10%	2023
Ethiopia	10%		2021 · HS 2017
European Union (27 countries)	2.2%	0% – 6.5%	2023
Fiji	5%		2023
French Polynesia	8%		2023
Gabon	10%		2023
Gambia	5%		2023
Georgia	0%		2022 · HS 2017
Ghana	5%		2023
Gibraltar	12%		2023 · HS 2017
Grenada	5%		2023 · HS 2012
Guatemala	0%		2023
Guinea	5%		2023
Guinea-Bissau	5%		2023
Guyana	5%		2023 · HS 2017
Haiti	3.5%		2020 · HS 2017
Honduras	0%		2023
Hong Kong SAR China	0%		2023
Iceland	0%		2023
India	7.5%		2023
Indonesia	5%		2023
Iran	11%	5% – 26%	2020 · HS 2017
Israel	0%		2022 · HS 2017
Jamaica	0%		2023
Japan	1%	0% – 1.6%	2023
Jordan	0%		2023
Kazakhstan	1%	0% – 3%	2023
Kenya	0%		2023
Kiribati	0%		2023 · HS 2002
Kuwait	5%		2023
Kyrgyzstan	1%	0% – 3%	2021 · HS 2017
Laos	5%		2023 · HS 2017
Lebanon	5%		2020 · HS 2017
Lesotho	5%	0% – 10%	2023
Liberia	5%		2023
Libya	5%		2021 · HS 2017
Liechtenstein	0%		2021 · HS 2017
Macao SAR China	0%		2023
Madagascar	5%		2023
Malawi	0%		2021 · HS 2017
Malaysia	0%		2023
Maldives	15%		2023
Mali	5%		2023
Mauritania	5%		2023 · HS 2017
Mauritius	0%		2023
Mexico	2.5%	0% – 5%	2023 · HS 2017
Micronesia	4%		2021 · HS 2017
Moldova	0%		2023 · HS 2017
Mongolia	5%		2023
Montserrat	0%		2023 · HS 2017
Morocco	2.5%		2023
Mozambique	2.5%		2023
Myanmar (Burma)	3%		2023 · HS 2017
Namibia	5%	0% – 10%	2023
Nauru	10%		2021 · HS 2017
Nepal	10%		2023
New Zealand	0%		2023
Nicaragua	0%		2023
Niger	5%		2023
Nigeria	5%		2023
North Macedonia	0%		2023
Norway	0%		2023
Oman	5%		2023
Pakistan	8.5%	0% – 20%	2023
Palau	3%		2023 · HS 2012
Palestinian Territories	0%		2017 · HS 2017
Panama	0%		2023
Papua New Guinea	0%		2023
Paraguay	6.2%	2% – 14%	2023 · HS 2017
Peru	0%		2023 · HS 2017
Philippines	1%		2023
Qatar	5%		2023
Russia	1%	0% – 3%	2021 · HS 2017
Rwanda	0%		2023
Samoa	8%		2020 · HS 2017
São Tomé & Príncipe	10%		2019 · HS 2017
Saudi Arabia	5%		2023
Senegal	5%		2023
Seychelles	0%		2023
Sierra Leone	5%		2023
Singapore	0%		2023 · HS 2017
Solomon Islands	5%		2023 · HS 2017
Somalia	5%		2023 · HS 2017
South Africa	5%	0% – 10%	2023
South Korea	5%	2% – 6.5%	2023
Sri Lanka	0%		2023
St Kitts & Nevis	0%		2023
St Lucia	5%		2023 · HS 2012
St Pierre & Miquelon	8%		2021 · HS 2017
St Vincent & the Grenadines	5%		2023
Sudan	3%		2021 · HS 2017
Suriname	5%		2023 · HS 2007
Switzerland	0%		2023
Syria	1%		2020 · HS 2012
Tajikistan	0%		2021 · HS 2012
Tanzania	0%		2023
Thailand	0%		2023
Togo	5%		2023
Tonga	15%		2023 · HS 2017
Trinidad & Tobago	0%		2023 · HS 2012
Türkiye	2.2%	0% – 6.5%	2023
Tuvalu	0%		2017 · HS 2017
Uganda	0%		2023
Ukraine	0%		2023 · HS 2017
United Arab Emirates	5%		2023
United Kingdom	0%		2023
United States	5.8%	0% – 6.5%	2023
Uruguay	6.3%	2% – 14%	2023 · HS 2017
Uzbekistan	0%		2021 · HS 2017
Vanuatu	5%		2023
Venezuela	5.9%	2% – 14%	2023 · HS 2017
Vietnam	0%		2023
Wallis & Futuna	6%		2021 · HS 2012
Yemen	5%		2017 · HS 2017
Zambia	0%		2023
Zimbabwe	0%		2023

Tariff data years 2017–2023; rates may have changed since. · UNCTAD TRAINS, accessed via WITS (World Bank)

Classifications and correspondences

Where this HS subheading sits in the United Nations' statistical classifications, and which codes it had in earlier editions of the Harmonized System.

SITC Rev. 4

51576 Heterocyclic compounds containing a pyrimidine ring

End use (BEC Rev. 5)

Intermediate goods · BEC 211220

CPC 2.1 product

35230 Lactones n.e.c., heterocyclic compounds with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring, a pyrimidine ring, a piperazine ring, an unfused triazine ring or a phenothiazine ring system not further fused; hydantoin and its derivatives; sulphonamides

ISIC Rev. 4 activity

2100 Manufacture of pharmaceuticals, medicinal chemical and botanical products

Earlier HS editions

Correspondence tables of the United Nations Statistics Division (UNSD)

Binding rulings for similar goods 23

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.

1. Tariff change 23 September 2026

   Guidance and Procedures for Implementing Tariff Adjustments for Specialty Pharmaceuticals and Associated Pharmaceutical Ingredients and Technical Corrections to the Harmonized Tariff Schedule of the United States for Duties Imposed Under Proclamation 11020

   FR Doc. 2026-19498 · 91 FR 60360 · Source: federalregister.gov

2. Import and export controls 20 July 2026

   Notice of Action: Brazil's Acts, Policies, and Practices Related to Digital Trade and Electronic Payment Services; Unfair, Preferential Tariffs; Anti-Corruption Enforcement; Intellectual Property Protection; Ethanol Market Access; and Illegal Deforestation

   FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov

3. Suspension 30 June 2026 · Applies from: 16 July 2026

   Council Regulation (EU) 2026/1463 of 25 June 2026 amending Regulation (EU) 2021/2278 suspending the Common Customs Tariff duties referred to in Article 56(2), point (c), of Regulation (EU) No 952/2013 of the European Parliament and of the Council on certain agricultural and industrial products

   CELEX 32026R1463 · Source: eur-lex.europa.eu

4. Quota 30 June 2026 · Applies from: 12 July 2026

   Council Regulation (EU) 2026/1465 of 25 June 2026 amending Regulation (EU) 2021/2283 opening and providing for the management of autonomous tariff quotas of the Union for certain agricultural and industrial products

   CELEX 32026R1465 · Source: eur-lex.europa.eu

5. Other 30 June 2026

   Update to Commodity Code structure to maintain dynamic alignment with the EU – 30 June 2026

   Trade Tariff news 6995 · Source: trade-tariff.service.gov.uk

6. Tariff change 4 June 2026

   Notice of Determination and Request for Comments Concerning Action Pursuant to Section 301: Brazil's Acts, Policies, and Practices Related to Digital Trade and Electronic Payment Services; Unfair, Preferential Tariffs; Anti-Corruption Enforcement; Intellectual Property Protection; Ethanol Market Access; and Illegal Deforestation

   FR Doc. 2026-11158 · 91 FR 33854 · Source: federalregister.gov

Rule changes →

Questions and answers