Subheading · Chapter 35 · Heading 3507
3507.90: Enzymes; prepared enzymes not elsewhere specified: other
Other enzymes
Official description Other
3507.90 is the HS subheading for other enzymes, under heading 3507 in chapter 35.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 3507 90 00 00 Other
- 3507 90 30 00 Lipoprotein lipase; aspergillus alkaline protease Free
- 3507 90 90 00 Other
- 3507 90 90 10 Preparation of achromobacter lyticus protease (cas rn 123175-82-6) for use in the manufacture of human and analogue insulin products Free
- 3507 90 90 30 Salicylate 1-monooxygenase (cas rn 9059-28-3) in aqueous solution with - an enzyme concentration of 6.0 u/ml or more, but not more than 7.4 u/ml , - a concentration by weight of sodium azide (cas rn 26628-22-8) of not more than 0.09% and - a ph value of 6.5 or more, but not more than 8.5 Free
- 3507 90 90 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 1
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 598
- Documents
Import requirements 2
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Ukraine
- Legal act
- S.I. 2022/395
- Import controlVeterinary control
- Applies to goods from
- Afghanistan, Albania, Algeria, American Samoa, Andorra, Angola, Anguilla, Antarctica and 232 more
- Legal act
- S.I. 2019/782
- Documents
- C084 Exemption by virtue of Articles 3 and 4 of regulation 2019/2122 (animals intended for scientific purposes, research and diagnostic samples, and samples for product analysis and quality testing).
- N853 Common Health Entry Document for Products (CHED-P) (as set out in Part 2, Section B of Annex II to Commission Implementing Regulation (EU) 2019/1715 (OJ L 261))
- Y058 Exemption by virtue of Article 7 of Commission Delegated Regulation 2019/2122 (Goods which form part of passengers' personal luggage and are intended for personal consumption or use) or Article 10 (small consignments of goods sent to natural persons which are not intended to be placed on the market) of Commission Delegated Regulation 2019/2122
- Y930 The declared goods are not concerned by Commission Implementing Regulation (EU) 2021/632
- Tariff lines
- on 3 of 4 lines
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free |
| 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 |
|---|---|---|---|
 Denmark | £40.3m | 27.8% | +12.1% |
 United States | £32.6m | 22.5% | -3.1% |
 Netherlands | £11m | 7.6% | +37.8% |
 Finland | £8.4m | 5.8% | +18.7% |
 Germany | £7.9m | 5.5% | -32.9% |
 Japan | £7.7m | 5.3% | +6.3% |
 France | £6.5m | 4.5% | -7.5% |
 South Africa | £5.4m | 3.8% | +44.9% |
Same subheading in other tariffs
EU
TürkiyeWorld trade in 2024
Trade value (US$) no reported trade < US$672.2kUS$672.2k+US$19.3m+US$112.9m+> US$638.3m
Exports: 129
- Denmark: US$1.7bn
- United States: US$956.3m
- China: US$684.8m
- Germany: US$638.3m
- Finland: US$522m
- Netherlands: US$439.7m
- France: US$419m
- Japan: US$308.5m
- Belgium: US$290.9m
- Lithuania: US$153.4m
- Austria: US$149.4m
- United Kingdom: US$112.9m
- Switzerland: US$90.9m
- Bulgaria: US$88m
- India: US$87.6m
- Singapore: US$85.6m
- Türkiye: US$67.3m
- Brazil: US$66.4m
- Italy: US$58.1m
- Ireland: US$53.7m
- Spain: US$47.2m
- Canada: US$41.8m
- Mexico: US$41.1m
- Israel: US$36.5m
- South Africa: US$36.2m
- Argentina: US$32m
- Poland: US$29.6m
- Taiwan: US$29.5m
- Thailand: US$19.4m
- South Korea: US$19.3m
- Sweden: US$18.1m
- Malaysia: US$18m
- Australia: US$11.4m
- Indonesia: US$11.3m
- Hungary: US$7.4m
- Chile: US$7.1m
- Czechia: US$5.7m
- Guatemala: US$5.7m
- Colombia: US$5m
- Portugal: US$4.6m
- New Zealand: US$4.2m
- Sri Lanka: US$3.8m
- Russia: US$3.7m
- United Arab Emirates: US$3.5m
- Norway: US$3m
- Hong Kong SAR China: US$2.9m
- Greece: US$2.9m
- Slovakia: US$2.3m
- Uruguay: US$2.1m
- Estonia: US$2.1m
- Venezuela: US$2m
- Slovenia: US$1.8m
- Croatia: US$1.6m
- Costa Rica: US$1.5m
- Senegal: US$1.1m
- Philippines: US$971.9k
- Kazakhstan: US$959.4k
- Vietnam: US$737.2k
- Serbia: US$733.2k
- Latvia: US$672.2k
Trade value (US$) no reported trade < US$3.1mUS$3.1m+US$24.7m+US$113m+> US$276.8m
Imports: 198
- United States: US$988.3m
- Netherlands: US$653m
- Germany: US$626.2m
- China: US$327.9m
- France: US$281.6m
- Brazil: US$276.8m
- Denmark: US$224.9m
- Spain: US$196.2m
- Canada: US$191.4m
- Italy: US$179.5m
- India: US$176.9m
- Poland: US$164.3m
- Mexico: US$162.6m
- Belgium: US$162.3m
- United Kingdom: US$159.7m
- Türkiye: US$151.6m
- Singapore: US$131.3m
- Russia: US$129.8m
- Ireland: US$114.3m
- Japan: US$113m
- South Korea: US$99.4m
- Thailand: US$95.7m
- Switzerland: US$93.9m
- Vietnam: US$88.3m
- South Africa: US$82.8m
- Egypt: US$64.9m
- Malaysia: US$61.4m
- Sweden: US$60.8m
- Indonesia: US$60.4m
- Finland: US$59.4m
- Hungary: US$57.4m
- Australia: US$54.8m
- Argentina: US$54.4m
- Taiwan: US$52.8m
- Philippines: US$52.3m
- Austria: US$51.2m
- Colombia: US$46m
- Bangladesh: US$39.8m
- Peru: US$37.3m
- Portugal: US$34m
- Saudi Arabia: US$32.1m
- Israel: US$29.4m
- Chile: US$29.3m
- Pakistan: US$29.3m
- Ukraine: US$28.5m
- Iran: US$27.5m
- Romania: US$27.5m
- Luxembourg: US$26.5m
- Nigeria: US$24.9m
- Algeria: US$24.7m
- Guatemala: US$23.2m
- United Arab Emirates: US$23m
- Morocco: US$22.4m
- Czechia: US$21.9m
- Ecuador: US$20.7m
- Serbia: US$20.7m
- Bulgaria: US$20.4m
- Greece: US$19.7m
- Norway: US$14.7m
- New Zealand: US$13.5m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | Denmark | US$1.7bn | 23% |
| 2 | United States | US$956.3m | 12.8% |
| 3 |  China | US$684.8m | 9.2% |
| 4 | Germany | US$638.3m | 8.5% |
| 5 | Finland | US$522m | 7% |
| 6 | Netherlands | US$439.7m | 5.9% |
| 7 | France | US$419m | 5.6% |
| 8 | Japan | US$308.5m | 4.1% |
| 9 |  Belgium | US$290.9m | 3.9% |
| 10 |  Lithuania | US$153.4m | 2.1% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$988.3m | 13.2% |
| 2 | Netherlands | US$653m | 8.7% |
| 3 | Germany | US$626.2m | 8.4% |
| 4 | China | US$327.9m | 4.4% |
| 5 | France | US$281.6m | 3.8% |
| 6 |  Brazil | US$276.8m | 3.7% |
| 7 | Denmark | US$224.9m | 3% |
| 8 |  Spain | US$196.2m | 2.6% |
| 9 |  Canada | US$191.4m | 2.6% |
| 10 |  Italy | US$179.5m | 2.4% |
Binding rulings for similar goods 11
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.
- N364610 U.S. CBP
The tariff classification of Glucose Dehydrogenase “Amano” 8 from Japan
- N346628 U.S. CBP
The tariff classification of powdered bromelain from India
- N336109 U.S. CBP
The tariff classification of an enzyme preparation from New Zealand
- N313623 U.S. CBP
The tariff classification of MuLV Reverse Transcriptase, MuLV Reverse Transcriptase Plus, Super Reverse Transcriptase MuLV, Super Reverse Transcriptase MuLV (Super RT 50 reaction kit), and RNase Inhibitor from India
- N313622 U.S. CBP
The tariff classifications of DNA polymerase sets and a pre-mixture from India.
- N305133 U.S. CBP
The tariff classification of various chemical compounds from China
11 rulings in total for this code
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.
- Import and export controls
FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov
- Tariff change · Applies from:
Harmonized Tariff Schedule of the United States — 2026 HTS Revision 11
2026HTSRev11 · Source: hts.usitc.gov
The UK Global Tariff divides subheading 3507.90 into 4 tariff lines; the duty is duty-free.
In the EU Combined Nomenclature, subheading 3507.90 covers 2 tariff lines and the duty is between 0% and 6.3%. 1 of them is duty-free.
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.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of other enzymes into the UK came to £145.2m between September 2025 and August 2026 (up 2% on the year before); Denmark supplied 28%, followed by United States.
In 2024, countries exported other enzymes worth US$7.5bn (+4.2% year on year).
The largest exporter was Denmark (US$1.7bn), followed by the United States.
Questions and answers
What is the HS code for enzymes; prepared enzymes not elsewhere specified: other?
Enzymes; prepared enzymes not elsewhere specified: other fall under HS subheading 3507.90, part of heading 3507, in section VI of the Harmonized System.
What is the import duty on enzymes; prepared enzymes not elsewhere… in the UK?
Under the UK Global Tariff, imports under 3507.90 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on enzymes; prepared enzymes not elsewhere… in the EU?
Under the EU Combined Nomenclature, imports under 3507.90 from countries without a preferential agreement are charged at 0% to 6.3%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most enzymes; prepared enzymes not elsewhere…?
Denmark, with US$1.7bn in 2024 (23% of world exports).
Which countries can export other enzymes 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 applies. Pick a country above to see its rate.
Is there anti-dumping duty on other enzymes?
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 other enzymes from?
In the 12 months to August 2026, the largest suppliers were Denmark (28%), United States (23%) and Netherlands (8%), out of total imports of £145.2m.