# European Union tariff line 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

> In the European Union tariff, line 2933 59 95 44 covers compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, 1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine (CAS RN 4271-96-9) with a purity by weight of 98 % or more. The general (MFN) duty rate is 6.5%. It falls under HS subheading 2933.59 in heading 29.33 (chapter 29).

Source: https://border.bot/countries/european-union/hs-codes/2933599544
Last updated: 11 October 2026

[Countries](https://border.bot/countries) / [European Union](https://border.bot/countries/european-union) / [Chapter 29](https://border.bot/countries/european-union/hs-codes/29) / [2933.59](https://border.bot/countries/european-union/hs-codes/293359) / [2933 59 95 44](https://border.bot/countries/european-union/hs-codes/2933599544)

## Key facts

- Tariff line: 2933 59 95 44
- Covers: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, 1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine (CAS RN 4271-96-9) with a purity by weight of 98 % or more
- Duty (MFN): 6.5%
- Preferential rates: From 0% (58 programmes or origins)
- Additional duties: None recorded
- Restrictions: None recorded
- Import VAT/GST in the European Union: VAT 21%
- De minimis in the European Union: Flat €3 duty up to €150; tax always charged
- Tariff: [European Union](https://border.bot/countries/european-union)
- HS subheading: [2933.59](https://border.bot/hs-codes/293359)

## What this line covers

In the European Union tariff, line 2933 59 95 44 covers compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, 1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine (CAS RN 4271-96-9) with a purity by weight of 98 % or more.

Its legal text is “1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine (CAS RN 4271-96-9) with a purity by weight of 98 % or more”, read under “Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure”, “Other” and “Other”.

## How it is structured

It falls under HS subheading 2933.59 in heading 29.33 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the European Union tariff.

- Chapter 29: Organic chemicals
- Heading 29.33: Heterocyclic compounds with nitrogen hetero-atom(s) only
- Subheading 2933.59: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure
- Within the subheading: Other
- Within the subheading: Other
- Line 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

## Duty

The general (MFN) duty rate is 6.5%.

Duty-free entry applies to goods that qualify under 5 programmes, and to goods from 52 origins.

A preferential rate of 5.2% applies to goods from Mercosur.

- 0%: EU-Switzerland agreement: re-imported goods (1007)
- 0%: CARIFORUM (1033)
- 0%: Eastern and Southern Africa States (1034)
- 0%: SADC EPA (1035)
- 0%: Preferential origin in accordance with the Agreement in the form of an Exchange of Letters between the European Union and the Kingdom of Morocco on the amendment of Protocols 1 and 4 to the Euro-Mediterranean Agreement establishing an association between the European Communities and their Member St… (2000)
- 0%: GSP-EBA (Special arrangement for the least-developed countries - Everything But Arms) (2005)
- 0%: EEA - European Economic Area (2012)
- 0%: GSP - General arrangements (2020)
- 0%: GSP+ (incentive arrangement for sustainable development and good governance) (2027)
- 0%: OCTs (Overseas Countries and Territories) (2080)
- 0%: Central America (2200)
- 0%: Andorra (AD)
- 0%: Albania (AL)
- 0%: Bosnia and Herzegovina (BA)
- 0%: Canada (CA)
- 0%: Switzerland (CH)
- 0%: Côte d'Ivoire (CI)
- 0%: Chile (CL)
- 0%: Cameroon (CM)
- 0%: Colombia (CO)
- 0%: Algeria (DZ)
- 0%: Ecuador (EC)
- 0%: Egypt (EG)
- 0%: Fiji (FJ)
- 0%: Faroe Islands (FO)
- 0%: United Kingdom (GB)
- 0%: Georgia (GE)
- 0%: Ghana (GH)
- 0%: Israel (IL)
- 0%: Jordan (JO)
- 0%: Japan (JP)
- 0%: Kenya (KE)
- 0%: South Korea (KR)
- 0%: Lebanon (LB)
- 0%: Morocco (MA)
- 0%: Moldova (MD)
- 0%: Montenegro (ME)
- 0%: North Macedonia (MK)
- 0%: Mexico (MX)
- 0%: New Zealand (NZ)
- 0%: Peru (PE)
- 0%: Papua New Guinea (PG)
- 0%: Palestine (PS)
- 0%: Solomon Islands (SB)
- 0%: Singapore (SG)
- 0%: Syria (SY)
- 0%: Tunisia (TN)
- 0%: Türkiye (TR)
- 0%: Ukraine (UA)
- 0%: United States (US)
- 0%: Vietnam (VN)
- 0%: Samoa (WS)
- 0%: a group of origins (TARIC area XC) (XC)
- 0%: Kosovo (XK)
- 0%: a group of origins (TARIC area XL) (XL)
- 0%: Serbia (XS)
- 0%: South Africa (ZA)
- 5.2%: Mercosur (5500)

## Import VAT and de minimis in the European Union

The European Union charges VAT on imports at a standard rate of 21%.

From 1 July 2026 until 1 July 2028, consignments sold to buyers in the European Union worth up to €150 pay a flat customs duty of €3 per tariff classification in the consignment instead of the tariff rate. Import tax is charged whatever the value.

## In other countries

National tariff lines under 2933.59 are live on border.bot for the United States (13 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/293359): 13 lines, used by 1 other country
- [The Harmonized System text for 2933.59](https://border.bot/hs-codes/293359)

## Other lines under 2933.59

- [2933 59 10 00](https://border.bot/countries/european-union/hs-codes/2933591000) Diazinon (ISO)
- [2933 59 20 00](https://border.bot/countries/european-union/hs-codes/2933592000) 1,4-Diazabicyclo[2.2.2]octane (triethylenediamine)
- [2933 59 95 10](https://border.bot/countries/european-union/hs-codes/2933599510) 6-Amino-1,3-dimethyluracil (CAS RN 6642-31-5)
- [2933 59 95 13](https://border.bot/countries/european-union/hs-codes/2933599513) 2-Diethylamino-6-hydroxy-4-methylpyrimidine (CAS RN 42487-72-9)
- [2933 59 95 14](https://border.bot/countries/european-union/hs-codes/2933599514) 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
- [2933 59 95 16](https://border.bot/countries/european-union/hs-codes/2933599516) Tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate (CAS RN 571188-59-5) with a purity by weight of 98 % or more
- [2933 59 95 19](https://border.bot/countries/european-union/hs-codes/2933599519) Tert-butyl 4-[(2-chloropyrimidin-5-yl)oxy]butanoate (CAS RN 945771-55-1) with a purity by weight of 95 % or more
- [2933 59 95 20](https://border.bot/countries/european-union/hs-codes/2933599520) 2,4-Diamino-6-chloropyrimidine (CAS RN 156-83-2)
- [2933 59 95 27](https://border.bot/countries/european-union/hs-codes/2933599527) 2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]-3-hydroxypropylacetate (CAS RN 88110-89-8)
- [2933 59 95 29](https://border.bot/countries/european-union/hs-codes/2933599529) 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
- [2933 59 95 31](https://border.bot/countries/european-union/hs-codes/2933599531) Sotorasib (INN) (CAS RN 2296729-00-3) with a purity by weight of 99 % or more
- [2933 59 95 32](https://border.bot/countries/european-union/hs-codes/2933599532) 5-Chloro-3-nitropyrazolo[1,5-a]pyrimidine (CAS RN 1363380-51-1) with a purity by weight of 98 % or more
- [2933 59 95 33](https://border.bot/countries/european-union/hs-codes/2933599533) 4,6-Dichloro-5-fluoropyrimidine (CAS RN 213265-83-9)
- [2933 59 95 34](https://border.bot/countries/european-union/hs-codes/2933599534) 6-chloro-1,3-dimethyluracil (CAS RN 6972-27-6) with a purity by weight of 97 % or more
- [2933 59 95 35](https://border.bot/countries/european-union/hs-codes/2933599535) 3-Iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS RN 151266-23-8) with a purity by weight of 98 % or more
- [2933 59 95 36](https://border.bot/countries/european-union/hs-codes/2933599536) 1-(Cyclopropylcarbonyl)piperazine hydrochloride (CAS RN 1021298-67-8) with a purity by weight of 98 % or more
- [2933 59 95 38](https://border.bot/countries/european-union/hs-codes/2933599538) 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
- [2933 59 95 40](https://border.bot/countries/european-union/hs-codes/2933599540) Pirimiphos-methyl (ISO) (CAS RN 29232-93-7) with a purity by weight of 90 % or more
- [2933 59 95 41](https://border.bot/countries/european-union/hs-codes/2933599541) 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
- [2933 59 95 45](https://border.bot/countries/european-union/hs-codes/2933599545) 1-[3-(Hydroxymethyl)pyridin-2-yl]-4-methyl-2-phenylpiperazine (CAS RN 61337-89-1)
- [2933 59 95 46](https://border.bot/countries/european-union/hs-codes/2933599546) Trilaciclib (CAS RN 1374743-00-6) with a purity by weight of 99 % or more
- [2933 59 95 47](https://border.bot/countries/european-union/hs-codes/2933599547) 6-Methyl-2-oxoperhydropyrimidin-4-ylurea (CAS RN 1129-42-6) with a purity of 94 % or more
- [2933 59 95 50](https://border.bot/countries/european-union/hs-codes/2933599550) 2-(2-Piperazin-1-ylethoxy)ethanol (CAS RN 13349-82-1)
- [2933 59 95 51](https://border.bot/countries/european-union/hs-codes/2933599551) (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
- [2933 59 95 52](https://border.bot/countries/european-union/hs-codes/2933599552) 6-Benzyladenine (CAS RN 1214-39-7) with a purity by weight of 97 % or more
- [2933 59 95 54](https://border.bot/countries/european-union/hs-codes/2933599554) 2-Chloro-4-methylpyrimidine (CAS RN 13036-57-2) with a purity by weight of 99 % or more
- [2933 59 95 56](https://border.bot/countries/european-union/hs-codes/2933599556) Ruxolitinib phosphate (INNM) (CAS RN 1092939-17-7) with a purity by weight of 99 % or more
- [2933 59 95 58](https://border.bot/countries/european-union/hs-codes/2933599558) 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
- [2933 59 95 60](https://border.bot/countries/european-union/hs-codes/2933599560) 2,6-Dichloro-4,8-dipiperidinopyrimido[5,4-d]pyrimidine (CAS RN 7139-02-8)
- [2933 59 95 61](https://border.bot/countries/european-union/hs-codes/2933599561) 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS RN 945950-37-8) with a purity by weight of 98 % or more
- [2933 59 95 63](https://border.bot/countries/european-union/hs-codes/2933599563) 1-(3-Chlorophenyl) piperazine (CAS RN 6640-24-0)
- [2933 59 95 64](https://border.bot/countries/european-union/hs-codes/2933599564) Thiopental (INNM) (CAS RN 76-75-5) with a purity by weight of 98 % or more
- [2933 59 95 65](https://border.bot/countries/european-union/hs-codes/2933599565) 1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) (CAS RN 140681-55-6)
- [2933 59 95 66](https://border.bot/countries/european-union/hs-codes/2933599566) Piperazin-2-one (CAS RN 5625-67-2) with a purity by weight of 96 % or more
- [2933 59 95 68](https://border.bot/countries/european-union/hs-codes/2933599568) Guanine (CAS RN 73-40-5) with a purity by weight of 99 % or more
- [2933 59 95 70](https://border.bot/countries/european-union/hs-codes/2933599570) N-(4-Ethyl-2,3-dioxopiperazin-1-ylcarbonyl)-D-2-phenylglycine (CAS RN 63422-71-9)
- [2933 59 95 77](https://border.bot/countries/european-union/hs-codes/2933599577) 3-(Trifluoromethyl)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyrazine hydrochloride (1:1) (CAS RN 762240-92-6)
- [2933 59 95 82](https://border.bot/countries/european-union/hs-codes/2933599582) Ametoctradin (ISO) (CAS RN 865318-97-4) with a purity by weight of 98 % or more
- [2933 59 95 87](https://border.bot/countries/european-union/hs-codes/2933599587) 5-Bromo-2,4-dichloropyrimidine (CAS RN 36082-50-5)
- [2933 59 95 90](https://border.bot/countries/european-union/hs-codes/2933599590) Other

- Previous line: [2933 59 95 41](https://border.bot/countries/european-union/hs-codes/2933599541) 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
- Next line: [2933 59 95 45](https://border.bot/countries/european-union/hs-codes/2933599545) 1-[3-(Hydroxymethyl)pyridin-2-yl]-4-methyl-2-phenylpiperazine (CAS RN 61337-89-1)

## Frequently asked questions

### What does tariff line 2933 59 95 44 cover in the European Union tariff?

In the European Union tariff, line 2933 59 95 44 covers compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, 1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine (CAS RN 4271-96-9) with a purity by weight of 98 % or more.

### What is the general (MFN) duty on 2933 59 95 44 in the European Union?

The general (MFN) duty rate is 6.5%.

### Which preferential rates apply to 2933 59 95 44?

Duty-free entry applies to goods that qualify under 5 programmes: EU-Switzerland agreement: re-imported goods, Preferential origin in accordance with the Agreement in the form of an Exchange of Letters between the European Union and the Kingdom of Morocco on the amendment of Protocols 1 and 4 to the Euro-Mediterranean Agreement establishing an association between the European Communities and their Member St…, EEA - European Economic Area, a group of origins (TARIC area XC) and a group of origins (TARIC area XL), and to goods from CARIFORUM, the Eastern and Southern Africa States, SADC EPA, GSP-EBA (Special arrangement for the least-developed countries - Everything But Arms), GSP - General arrangements, GSP+ (incentive arrangement for sustainable development and good governance), OCTs (Overseas Countries and Territories), Central America, Andorra, Albania, Bosnia and Herzegovina, Canada, Switzerland, Côte d'Ivoire, Chile, Cameroon, Colombia, Algeria, Ecuador, Egypt, Fiji, the Faroe Islands, the United Kingdom, Georgia, Ghana, Israel, Jordan, Japan, Kenya, South Korea, Lebanon, Morocco, Moldova, Montenegro, North Macedonia, Mexico, New Zealand, Peru, Papua New Guinea, Palestine, the Solomon Islands, Singapore, Syria, Tunisia, Türkiye, Ukraine, the United States, Vietnam, Samoa, Kosovo, Serbia and South Africa. A preferential rate of 5.2% applies to goods from Mercosur.

## Sources and updates

The tariff lines for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The duty rates for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The trade programmes for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The import taxes for the European Union come from border.bot release 1, imported from a file, and have been live since 9 October 2026.

The de minimis thresholds for the European Union come from border.bot release 2, entered by border.bot, and have been live since 11 October 2026.

This page was last updated on 11 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://circabc.europa.eu/sd/a/9e277705-ac42-441d-8580-90cd730d9bc6/Geographical%20areas%20composition.xlsx
- https://circabc.europa.eu/sd/a/bfb94607-8b4c-40c3-ad33-1efef11bb80a/Duties%20Import%2001-99.xlsx
- https://circabc.europa.eu/sd/a/4b3c682c-947c-4f34-932d-0b8d192537bd/Measure%20exclusions.xlsx
- https://circabc.europa.eu/sd/a/13694f84-6980-4966-8c91-22459447b52b/Nomenclature%20EN.xlsx

Machine-readable: https://border.bot/countries/european-union/hs-codes/2933599544.json