Code 3507 90 · Heading 3507

Enzymes and enzyme preparations, other than rennet and rennet concentrates

This covers enzymes and prepared enzymes that are not rennet or rennet concentrates. The specific product must belong to the enzyme group and must not be a product named under the rennet sibling.

See the official tariff text

Official tariff text

Enzymes and prepared enzymes, n.e.s. (excl. rennet and concentrates thereof)

How we got to this code

VI
35
3507
3507 90

Show the steps

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section VI Products of the chemical or allied industries
Is it an inorganic or organic chemical; a pharmaceutical product; a fertilizer; a tanning or dye extract, pigment, paint, varnish, filler or printing ink; an essential oil, perfume, cosmetic or toilet product; soap, a surface-active, washing, cleaning, polishing or wax product; a protein, modified starch, glue or enzyme; an explosive, pyrotechnic article, match or other specified combustible material; a photographic or cinematographic product; or another chemical product?
✓
Step 2 · Chapter 35 Albuminoidal substances; modified starches; glues; … 8 of 11 chapters in section VI
Which named product type is it: casein or casein glue; albumin or an albumin derivative; gelatine, hide glue or another animal glue; peptones or another protein substance; dextrin, modified starch or starch-based glue; prepared glue or adhesive in a retail package marked for use as glue or adhesive with a net weight <= 1 kg per item; or an enzyme or prepared enzyme?
✓
Step 3 · Heading 3507 Enzymes; prepared enzymes, n.e.s. 7 of 7 headings under chapter 35
Is it rennet or a concentrate of rennet?
✓
Step 4 · Subheading 3507 90 Enzymes and prepared enzymes, n.e.s. (excl. rennet … 2 of 2 subheadings under heading 3507
Is the product lipoprotein or Aspergillus alkaline protease, or is it another enzyme or enzyme preparation, including one that is not lipoprotein lipase?

Pick the 8-digit code

Pick the description that best matches your product.

Import duty on the codes below: 0.0–6.3%

2 codes below this one

This is the catch-all under 3507: it covers what the sibling codes below do not.

Within the enzyme group, this is for enzymes and enzyme preparations that are not rennet or rennet concentrates; the named rennet class belongs to the sibling code instead.

Compare the sibling codes

See all 2 codes at this level

Classification decides the rate here: from 0.0% to 6.3%.

3507 10 Rennet and concentrates thereof 6.3%
3507 90 Enzymes and prepared enzymes, n.e.s. (excl. rennet and concentrates thereof) you are here 0.0–6.3%

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

Their lines1 Norwegian line

35.07.9000 Other

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

The rate depends on the line.

Their lines4 British lines

3507 90 30 00 Lipoprotein lipase; aspergillus alkaline protease

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

10.0%

Estimated from published US measures

Their lines3 US lines
Entry dateSept. 17, 2026

3507.90.20.00 Enzymes; prepared enzymes not elsewhere specified or included, Other, Pencillin G amidase

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 1 Norwegian line

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

35.07.9000

Other

Ordinary duty

Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 4 British lines

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

3507 90 30 00

Lipoprotein lipase; aspergillus alkaline protease

Ordinary duty

Duty free
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

Ordinary duty

Duty 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

Ordinary duty

Duty free
3507 90 90 90

Other

Ordinary duty

Depends on the product details

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1599, last checked Sept. 13, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

See the 3 US lines

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

3507.90.20.00

Enzymes; prepared enzymes not elsewhere specified or included, Other, Pencillin G amidase

General rate

Free

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
3507.90.70.10

Enzymes; prepared enzymes not elsewhere specified or included, Other, Enzymes – proteases, amylases, lipases, cellulases, pectinases, oxidases, and catalases

General rate

Free

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
3507.90.70.80

Enzymes; prepared enzymes not elsewhere specified or included, Other

General rate

Free

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.