UK Global Tariff · commodity code · HS 2934.99
2934 99 90 48: Other heterocyclic compounds: Propan-2-ol -- 2-methyl-4-(4-methylpiperazin-1-yl)-10h-thieno[2.3-b][1.5]benzodiazepine (1:2) dihydrate, (cas rn 864743-41-9)
Other heterocyclic compounds
✓ Can be used in a customs declaration Data: UK Global Tariff · checked on 24 October 2026
- 2934 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
- Other
- 2934 99 00 00 Other
- 2934 99 90 00 Other
- 2934 99 90 48 Propan-2-ol -- 2-methyl-4-(4-methylpiperazin-1-yl)-10h-thieno[2.3-b][1.5]benzodiazepine (1:2) dihydrate, (cas rn 864743-41-9)
What you pay
Importing into UK
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 suspensionAutonomous tariff suspension Free
- Applies to goods from
- all countries
- In force
- until 31 December 2028
- Legal act
- 2020 No. 1435
- 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)
Import requirements 4
- Prohibition or restrictionImport prohibition
- Applies to goods from
- North Korea
- Legal act
- S.I. 2019/411
- Import controlHome Office Controlled Drugs (import)
- Applies to goods from
- all countries
- Legal act
- 2001 No. 3998
- Documents
- 9113
- 913Y
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Syria, Ukraine
- Legal act
- S.I. 2019/792, S.I. 2022/395
- Documents
- 9009
- 9010
- 9017
- Import controlImport control on restricted goods and technologies
- Applies to goods from
- Iran, Libya, North Korea, Russia
- Legal act
- S.I. 2019/461, S.I. 2019/411, 2020 No. 1665, S.I. 2019/855
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | 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 |
Footnotes
TN701 According to the Council Regulation (EU) No 692/2014 (OJ L183, p. 9), as retained in UK La…
The prohibition shall not apply in respect of:
(a) the execution until 26 September 2014, of trade contracts concluded before 25 June 2014, or of ancillary contracts necessary for the execution of such contracts, provided that the natural or legal persons, entity or body seeking to perform the contract have notified, at least 10 working days in advance, the activity or transaction to the competent authority of the Member State in which they are established.
(b) goods originating in Crimea or Sevastopol which have been made available to the Ukrainian authorities for examination, for which compliance with the conditions conferring entitlement to preferential origin has been verified and for which a certificate of origin has been issued in accordance with Regulation (EU) No 978/2012 and Regulation (EU) No 374/2014, as retained in UK Law, or in accordance with the EU-Ukraine Association Agreement
TN702 According to the Council Regulation (EU) No 1351/2014 (OJ L365, p. 46), the export of good…
(a) to any natural or legal person, entity or body in Crimea or Sevastopol, or
(b) for use in Crimea or Sevastopol.
The prohibitions shall be without prejudice to the execution until 21 March 2015 of an obligation arising from a contract concluded before 20 December 2014, or by ancillary contracts necessary for the execution of such contracts, provided that the competent authority has been informed at least five working days in advance.
When related to the use in Crimea or Sevastopol, the prohibitions do not apply where there are no reasonable grounds to determine that the goods and technology or the services are to be used in Crimea or Sevastopol.
UK: imports by month · HS 2934.99
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
| £117.4m | 26.8% | +36.5% | |
| £88.4m | 20.2% | -11.2% | |
| £75.5m | 17.3% | +44.6% | |
| £54.3m | 12.4% | -19.1% | |
| £51.7m | 11.8% | +2.8% | |
| £17.6m | 4% | -44.1% | |
| £5.6m | 1.3% | -84.8% | |
| £4.5m | 1% | -24.2% |
Same subheading in other tariffs
2934.99 Nucleic acids and their salts, whether or not chemically: other, other
UK lines: 2934.99
- 2934 99 60 00Chlorprothixene (inn); thenalidine (inn) and its tartrates and maleates; furazolidone (inn); 7-aminocephalosporanic acid; salts and esters of (6r,7r)-3-acetoxymethyl-7-[(r)-2-formyloxy-2-phenylacetamido]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; 1-[2-(1.3-dioxan-2-yl)ethyl]-2-methylpyridinium bromide
- 2934 99 90 04Silthiofam (iso) (cas rn 175217-20-6) with a purity by weight of 98% or more
- 2934 99 90 05(s)-2-methyl-1-(6-nitropyridin-3-yl)-4-(oxetan-3-yl)piperazine (cas rn 1895867-67-0) with a purity by weight of 97% or more
- 2934 99 90 06Cis-[2-(2.4-dichlorodiphenyl)-2-(1h-imidazol-1-ylmethyl)-1.3-dioxolan-4yl]methyl-4-methylbenzenesulfonate (cas rn 134071-44-6) with a purity by weight of 99% or more
- 2934 99 90 07Cedazuridine (inn) (cas rn 1141397-80-9) with a purity by weight of 99% or more
- 2934 99 90 08(r)-tert-butyl 2-(6-(5-chloro-2-((tetrahydro-2h-pyran-4-yl)amino)pyrimidin-4-yl)-1-oxoisoindolin-2-yl)propanoate (cas rn 2095665-45-3) with a purity by weight of 98% or more
- 2934 99 90 093-[2-{(2r,3s)-3-[(1r)-1-{[tert-butyl(dimethyl)silyl]oxy}ethyl]-4-oxoazetidin-2-yl}propanoyl]-4.4-dimethyl-1.3-oxazolidin-2-one (isomeric mixture of cas rns 114341-89-8 and 114418-63-2) with a purity by weight of 99% or more
- 2934 99 90 10Fluralaner (inn) (cas rn 864731-61-3)
- 2934 99 90 11Aqueous solution of d(p-thio)(t-g-a-c-t-g-t-g-a-a-c-g-t-t-c-g-a-g-a-t-g-a) deoxyribonucleic acid (cas rn 937402-51-2), containing by weight 15% or more, but not more than 25% of oligodeoxynucleotide
- 2934 99 90 12Dimethomorph (iso) (cas rn 110488-70-5)
- 2934 99 90 13(6s)-6-methyl-5.6-dihydro-4h-thieno[2.3-b]thiopyran4-one-7.7-dioxide (cas rn 148719-91-9) with a purity by weight of 98% or more
- 2934 99 90 142-mercaptoadenosine (cas rn 43157-50-2) with a purity by weight of 98% or more
- 2934 99 90 16Difenoconazole (iso) (cas rn 119446-68-3)
- 2934 99 90 17(s)-4-(tert-butoxycarbonyl)-1.4-oxazepane-2-carboxylic acid (cas rn 1273567-44-4) with a purity by weight of 95% or more
- 2934 99 90 18Methyl (1r,3r)-1-(1.3-benzodioxol-5-yl)-2-(2-chloroacetyl)-1.3,4.9-tetrahydropyrido[5.4-b]indole-3-carboxylate (cas rn 171489-59-1) with a purity by weight of 99% or more
- 2934 99 90 19(4r,6s)-6-methyl-7.7-dioxo-5.6-dihydro-4h-thieno[2.3-b]thiopyran-4-ol (cas rn 147128-77-6) with a purity by weight of 94% or more
- 2934 99 90 20Thiophene (cas rn 110-02-1)
- 2934 99 90 21Acesulfame potassium (potassium salt of 6-methyl-1.2,3-oxathiazin-4(3h)-one 2.2-dioxide; cas rn 55589-62-3) ace-k
- 2934 99 90 224-(oxiran-2-ylmethoxy)-9h-carbazole (cas rn 51997-51-4) with a purity by weight of 97% or more
- 2934 99 90 24Flufenacet (iso) (cas rn 142459-58-3) with a purity by weight of 95% or more
- 2934 99 90 264-methylmorpholine 4-oxide in an aqueous solution (cas rn 7529-22-8)
- 2934 99 90 272-(4-hydroxyphenyl)-1-benzothiophene-6-ol (cas rn 63676-22-2)
- 2934 99 90 2811-(piperazin-1-yl)dibenzo[b,f][1.4]thiazepine dihydrochloride (cas rn 111974-74-4)
- 2934 99 90 30Dibenzo[b,f][1.4]thiazepin-11(10h)-one (cas rn 3159-07-7)
- 2934 99 90 31Thenoic acid (cas rn 1918-77-0) with a purity by weight of 97% or more
- 2934 99 90 32(6r,7r)-benzhydryl 3-hydroxy-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate (cas rn 54639-48-4) with a purity by weight of 95% or more
- 2934 99 90 34Benzyl 4-(oxetan-3-yl)piperazine-1-carboxylate (cas rn 1254115-22-4) with a purity by weight of 99% or more
- 2934 99 90 35Nusinersen sodium (innm) (cas rn 1258984-36-9) with a purity by weight of 95% or more
- 2934 99 90 36Nadide phosphate (innm) disodium salt (cas rn 24292-60-2) with a purity by weight of 97% or more
- 2934 99 90 374-propan-2-ylmorpholine (cas rn 1004-14-4)
- 2934 99 90 382-chloro-9h-thioxanthen-9-one (cas rn 86-39-5) with a purity by weight of 98% or more
- 2934 99 90 394-(oxiran-2-ylmethoxy)-9h-carbazole (cas rn 51997-51-4)
- 2934 99 90 402.3-pyrazinedicarboxylic anhydride (cas rn 4744-50-7) with a purity by weight of 95% or more
- 2934 99 90 4111-[4-(2-chloro-ethyl)-1-piperazinyl]dibenzo(b,f)(1.4)thiazepine (cas rn 352232-17-8)
- 2934 99 90 454-[4-[(5s)-5-(aminomethyl)-2-oxo-3-oxazolidinyl] phenyl]-3-morpholinone, hydrochloride (cas rn 898543-06-1) with a purity by weight of 98% or more
- 2934 99 90 46(6r-trans)-7-amino-8-oxo-3-[[(1.2,5.6-tetrahydro-2-methyl-5.6-dioxo-1.2,4-triazin-3-yl)thio]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (cas rn 58909-56-1) with a purity by weight of 97% or more
- 2934 99 90 472.4-diethyl-9h-thioxanthen-9-one (cas rn 82799-44-8) with a purity by weight of 97% or more
- 2934 99 90 48Propan-2-ol -- 2-methyl-4-(4-methylpiperazin-1-yl)-10h-thieno[2.3-b][1.5]benzodiazepine (1:2) dihydrate, (cas rn 864743-41-9)
- 2934 99 90 49Cytidine 5'-(disodium phosphate) (cas rn 6757-06-8)
- 2934 99 90 50Vutrisiran (inn) (cas rn 1867157-35-4) with a purity by weight of 98% or more
- 2934 99 90 51Uridine 5'-triphosphate trisodium salt (cas rn 19817-92-6) with a dry weight purity of 90% or more
- 2934 99 90 55Uridine (cas rn 58-96-8) with a purity by weight of 98% or more
- 2934 99 90 561-[5-(2.6-difluorophenyl)-4.5-dihydro-1.2-oxazol-3-yl]ethanone (cas rn 1173693-36-1)
- 2934 99 90 57Dimethenamide-p (iso) (cas rn 163515-14-8) with a purity by weight of 93% or more
- 2934 99 90 59Dolutegravir (inn) (cas rn 1051375-16-6) or dolutegravir sodium (cas rn 1051375-19-9)
- 2934 99 90 60Dl-homocysteine thiolactone hydrochloride (cas rn 6038-19-3)
- 2934 99 90 615-(1.2-dithiolan-3-yl)valeric acid (cas rn 1077-28-7)
- 2934 99 90 63(2b,3a,5a,16b,17b)-2-(morpholin-4-yl)-16-(pyrrolidin-1-yl)androstane-3.17-diol (cas rn 119302-20-4)
- 2934 99 90 642-bromo-5-benzoylthiophene (cas rn 31161-46-3)
- 2934 99 90 65Benzo[b]thiophen-10-methoxycycloheptanone (cas rn 59743-84-9) with a purity by weight of 98% or more
- 2934 99 90 66Tetrahydrothiophene-1.1-dioxide (cas rn 126-33-0)
- 2934 99 90 675-chlorothiophene-2-carboxylic acid (cas rn 24065-33-6)
- 2934 99 90 693-methyl-5-(4.4,5.5-tetramethyl-1.3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3h)-one (cas rn 1220696-32-1) with a purity by weight of 95% or more
- 2934 99 90 701.3,4-thiadiazolidine-2.5-dithione (cas rn 1072-71-5) with a purity by weight of 95% or more
- 2934 99 90 713.4-dichloro-1.2,5-thiadiazole (cas rn 5728-20-1) with a purity by weight of 99% or more
- 2934 99 90 722-trifluoromethyl-9-allyl-9-thioxanthen-ol (cas rn 850808-70-7) with a purity by weight of 98% or more
- 2934 99 90 742-isopropylthioxanthone (cas rn 5495-84-1)
- 2934 99 90 75(4r-cis)-1.1-dimethylethyl-6-[2[2-(4-fluorophenyl)-5-(1-isopropyl)-3-phenyl-4-[(phenylamino)carbonyl]-1h-pyrrol-1-yl]ethyl]-2.2-dimethyl-1.3-dioxane-4-acetate (cas rn 125971-95-1)
- 2934 99 90 76Nedosiran sodium (innm) (cas rn 2247026-22-6) with a purity by weight of 95% or more
- 2934 99 90 77Tazemetostat (inn) (cas 1403254-99-8) with a purity by weight of 99% or more and its salts
- 2934 99 90 78Disodium uridine-5'-monophosphate (cas rn 3387-36-8) with a purity by weight of 98% or more
- 2934 99 90 811-(4-aminophenyl)-5-(morpholin-4-yl)-2.3-dihydropyridin-6-one (cas rn 1267610-26-3) with a purity by weight of 98% or more
- 2934 99 90 82Rel-(3ar,12br)-11-chloro-2.3,3a,12b-tetrahydro-2-methyl-1h-dibenz[2.3:6.7]oxepino[4.5-c]pyrrol-1-one (cas rn 129385-59-7) with a purity by weight of 97% or more
- 2934 99 90 83Flumioxazin (iso) (cas rn 103361-09-7) of a purity by weight of 96% or more
- 2934 99 90 85Gilteritinib (inn) (cas 1254053-43-4) with a purity by weight of 98% or more and its salts
- 2934 99 90 86Dithianon (iso) (cas rn 3347-22-6)
- 2934 99 90 872.2'-(1.4-phenylene)bis(4h-3.1-benzoxazin-4-one) (cas rn 18600-59-4)
- 2934 99 90 88(7s,9as)-7-((benzyloxy)methyl)octahydropyrazino[2.1-c][1.4]oxazine dioxalate (cas rn 1268364-46-0)
- 2934 99 90 896r-[6α,7β(z)]]-7-[2-furyl(methoxyimino)acetamido]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (cas rn 56271-94-4) with a purity by weight of 96% or more
- 2934 99 90 90Nucleic acids and their salts, whether or not chemically: other, other, other, other
Binding rulings for similar goods
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.
- N364523 U.S. CBP
The tariff classification of Suzetrigine (CAS No. 2649467-58-1) imported in bulk powder form, from India
- N357497 U.S. CBP
The tariff classification of Elinzanetant (CAS No. 929046-33-3) in bulk form and LYNKUET® (E linzanetant) Capsules in dosage form, from Germany
- N354921 U.S. CBP
The tariff classification of Terazosin Hydrochloride Anhydrous (CAS No. 63074-08-8) in bulk form, from Germany
- N353870 U.S. CBP
The tariff classification of Cabotegravir (CAS No. 1051375-10-0) in bulk powder form, from Brazil
- 600011586 HMRC
DNA is a double-stranded molecule forming a double helix. Each strand is made up of nucleotides, which include a phosphate group, a sugar molecule (deoxyribose), and one of four nitrogenous bases: adenine (A), thymine (T), cytosine ©, and guanine (G). RNA is typically single-stranded and shorter…
- 600010728 HMRC
PolyIC Polyinosinic Acid, sodium salt - a double strand RNA Use: in the treatment of neoplastic diseases Packaging: 10ml sterile glass vial. Transport is frozen at -78°C
- 600010731 HMRC
nucleic acid samples RNA (ribonucleic acid) and DNA (deoxyribonucleic acid) Used for clinical trials, laboratory research or diagnostic use Packaging: in test tubes or slides
47 rulings in total for this code
Legal notes
Notes
1. Except where the context otherwise requires, the headings of this chapter apply only to:
(a) separate chemically defined organic compounds, whether or not containing impurities;
(b) mixtures of two or more isomers of the same organic compound (whether or not containing impurities), except mixtures of acyclic hydrocarbon isomers (other than stereoisomers), whether or not saturated (Chapter 27);
(c) the products of headings 2936 to 2939 or the sugar ethers, sugar acetals and sugar esters, and their salts, of heading 2940, or the products of heading 2941, whether or not chemically defined;
(d) the products mentioned in (a), (b) or (c) above dissolved in water;
(e) the products mentioned in (a), (b) or (c) above dissolved in other solvents provided that the solution constitutes a normal and necessary method of putting up these products adopted solely for reasons of safety or for transport and that the solvent does not render the product particularly suitable for a specific use rather than for general use;
(f) the products mentioned in (a), (b), (c), (d) or (e) above with an added stabiliser (including an anti-caking agent) necessary for their preservation or transport;
(g) the products mentioned in (a), (b), (c), (d), (e) or (f) above with an added anti-dusting agent or a colouring or odoriferous substance or an emetic added to facilitate their identification or for safety reasons, provided that the additions do not render the product particularly suitable for specific use rather than for general use;
(h) the following products, diluted to standard strengths, for the production of azo dyes: diazonium salts, couplers used for these salts and diazotizable amines and their salts.
2. This chapter does not cover:
(a) goods of heading 1504 or crude glycerol of heading 1520;
(c) methane or propane (heading 2711);
(d) the compounds of carbon mentioned in note 2 to Chapter 28;
(e) immunological products of heading 3002;
(g) colouring matter of vegetable or animal origin (heading 3203), synthetic organic colouring matter, synthetic organic products of a kind used as fluorescent brightening agents or as luminophores (heading 3204) or dyes or other colouring matter put up in forms or packings for retail sale (heading 3212);
(h) enzymes (heading 3507);
(ij) metaldehyde, hexamethylenetetramine or similar substances, put up in forms (for example, tablets, sticks or similar forms) for use as fuels, or liquid or liquefied-gas fuels in containers of a kind used for filling or refilling cigarette or similar lighters and of a capacity not exceeding 300 cm3 (heading 3606);
(k) products put up as charges for fire-extinguishers or put up in fire-extinguishing grenades, of heading 3813; ink removers put up in packings for retail sale, of heading 3824; or
(l) optical elements, for example, of ethylenediamine tartrate (heading 9001).
3. Goods which could be included in two or more of the headings of this chapter are to be classified in that one of those headings which occurs last in numerical order.
4. In headings 2904 to 2906, 2908 to 2911 and 2913 to 2920, any reference to halogenated, sulphonated, nitrated or nitrosated derivatives includes a reference to compound derivatives, such as sulphohalogenated, nitrohalogenated, nitrosulphonated or nitrosulphohalogenated derivatives.
Nitro or nitroso groups are not to be taken as ‘nitrogen-functions’ for the purposes of heading 2929.
For the purposes of headings 2911, 2912, 2914, 2918 and 2922, ‘oxygen function’, the characteristic organic oxygen-containing group of those respective headings, is restricted to the oxygen-functions referred to in headings 2905 to 2920.
5.
(A) The esters of acid-function organic compounds of sub-chapters I to VII with organic compounds of these sub-chapters are to be classified with that compound which is classified in the heading which occurs last in numerical order in these sub-chapters.
(B) Esters of ethyl alcohol with acid-function organic compounds of sub-chapters I to VII are to be classified in the same heading as the corresponding acid-function compounds.
(C) Subject to note 1 to Section VI and note 2 to Chapter 28:
(1) inorganic salts of organic compounds such as acid-, phenol- or enol-function compounds or organic bases, of sub-chapters I to X or heading 2942, are to be classified in the heading appropriate to the organic compound;
(2) salts formed between organic compounds of sub-chapters I to X or heading 2942 are to be classified in the heading appropriate to the base or to the acid (including phenol- or enol-function compounds) from which they are formed, whichever occurs last in numerical order in the chapter; and
(3) coordination compounds, other than products classifiable in sub-chapter XI or heading 2941, are to be classified in the heading which occurs last in numerical order in Chapter 29, among those appropriate to the fragments formed by ‘cleaving’ of all metal bonds, other than metal-carbon bonds.
(D) Metal alcoholates are to be classified in the same heading as the corresponding alcohols except in the case of ethanol (heading 2905).
(E) Halides of carboxylic acids are to be classified in the same heading as the corresponding acids.
6. The compounds of headings 2930 and 2931 are organic compounds the molecules of which contain, in addition to atoms of hydrogen, oxygen or nitrogen, atoms of other non-metals or of metals (such as sulphur, arsenic or lead) directly linked to carbon atoms.
Heading 2930 (organo-sulphur compounds) and heading 2931 (other organo-inorganic compounds) do not include sulphonated or halogenated derivatives (including compound derivatives) which, apart from hydrogen, oxygen and nitrogen, only have directly linked to carbon the atoms of sulphur or of a halogen which give them their nature of sulphonated or halogenated derivatives (or compound derivatives).
7. Headings 2932, 2933 and 2934 do not include epoxides with a three-membered ring, ketone peroxides, cyclic polymers of aldehydes or of thioaldehydes, anhydrides of polybasic carboxylic acids, cyclic esters of polyhydric alcohols or phenols with polybasic acids, or imides of polybasic acids.
These provisions apply only when the ring-position hetero-atoms are those resulting solely from the cyclising function or functions here listed.
8. For the purposes of heading 2937:
(a) the term ‘hormones’ includes hormone-releasing or hormone-stimulating factors, hormone inhibitors and hormone antagonists (anti-hormones);
(b) the expression ‘used primarily as hormones’ applies not only to hormone derivatives and structural analogues used primarily for their hormonal effect, but also to those derivatives and structural analogues used primarily as intermediates in the synthesis of products of this heading.
Commodity code 2934 99 90 48 is a line of the UK Global Tariff under HS subheading 2934.99 (nucleic acids and their salts, whether or not chemically: other, other).
The third-country duty is 6%.
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 6%.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of other heterocyclic compounds (HS 2934.99) into the UK came to £437.6m between September 2025 and August 2026 (down 3% on the year before); United States supplied 27%, followed by Germany.
For the same subheading, the EU duty is 0%–6.5%, the Türkiye duty is 0%–6.5%, the US duty is 0%–6.5%, the Canada duty is free, the Mexico duty is 0%–5%, the Brazil duty is 0%–12.6%, the Argentina duty is 0%–12.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 0%–3.1%, the Taiwan duty is 0%–6.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 0%–5% and the Nigeria duty is 5%.
The UK imported goods of subheading 2934.99 worth US$452m in 2024; the largest supplier was Germany.
Questions and answers
What is the UK import duty for commodity code 2934 99 90 48?
The third-country duty in the UK Global Tariff is 6%. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Which countries get a lower rate on 2934 99 90 48?
174 countries have a preferential rate on this line, 174 of them at 0%, under DCTS Comprehensive, European Union and DCTS Enhanced and other arrangements. The rate applies only to goods that meet the rules of origin of the agreement, with proof of origin. Choose the country of origin on this page to see its rate.
Do anti-dumping or other extra duties apply to 2934 99 90 48?
Additional duty of 35% on goods from Belarus and Russia. These are charged on top of the customs duty.
Where does the UK import these goods from?
For subheading 2934.99 as a whole, the largest supplier in 2024 was Germany (US$108m), followed by China.