Code 2934 30 · Heading 2934

Phenothiazine-ring heterocyclic compounds, including hydrogenated forms, with no other fused rings

This category covers heterocyclic compounds containing a phenothiazine ring structure, including hydrogenated forms, but no other fused rings. It does not include thiethylperazine, thioridazine, or their salts.

For example

Promethazine
Chlorpromazine

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Official tariff text

Heterocyclic compounds containing in the structure a phenothiazine ring-system, whether or not hydrogenated, but not further fused

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 29 Organic chemicals 2 of 11 chapters in section VI
What type of organic chemical is it—for example, a hydrocarbon, alcohol, acid, nitrogen compound, sulfur compound, heterocyclic compound, vitamin, hormone, glycoside, plant alkaloid, sugar, antibiotic or another listed organic compound?
✓
Step 3 · Heading 2934 Nucleic acids and their salts, whether or not chemi… 34 of 42 headings under chapter 29
Is it a heterocyclic compound with a non-fused thiazole ring, a benzothiazole ring structure, or a phenothiazine ring structure; one of the named substances or their salts; another fentanyl or derivative; or otherwise a nucleic acid, its salt, another covered heterocyclic compound, a mercury component, or a product classified under 3002 10?
✓
Step 4 · Subheading 2934 30 Heterocyclic compounds containing in the structure … 3 of 6 subheadings under heading 2934
Is the product thiethylperazine or thioridazine, or a salt of either one?

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Classification decides the rate here: from 0.0% to 6.5%.

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

29.34.3000

Compounds containing in the structure a phenothiazine ringsystem (whether or not hydrogenated), not further fused

Ordinary duty

Duty free

Goods of EU origin

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

Norwegian tariff data version 1.5/1.2, last checked Aug. 9, 2026.

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

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

2934 30 10 00

Thiethylperazine (INN); thioridazine (INN) and its salts

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2934 30 90 10

2-Methylthiophenothiazine (CAS RN 7643-08-5)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2934 30 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 v4.0.1576, last checked Aug. 9, 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).

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Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, 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.