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EU Combined Nomenclature CN2026

HS code 2934: X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS

Heading 2934 of the EU Combined Nomenclature 2026, in chapter 29, with the official text of every 6-digit subheading and 8-digit CN code below it.

Official description

2934X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS, AND SULPHONAMIDES | Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds

Place in the nomenclature: 29 Organic chemicals > 2934

Explanatory note (Eurostat)

Nucleic acids and their salts, whether or not chemically defined; heterocyclic compounds (excl. with oxygen only or with nitrogen hetero-atom[s] only)

Subheadings (6 digits)
6
CN codes (8 digits)
9

Subheadings and CN codes in heading 2934

  • 2934 10Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure

    Explanatory note (Eurostat): Heterocyclic compounds containing an unfused thiazole ring, whether or not hydrogenated, in the structure

    • 2934 10 00 Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure
  • 2934 20Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused

    Explanatory note (Eurostat): Heterocyclic compounds containing in the structure a benzothiazole ring-system, whether or not hydrogenated, but not further fused (excl. inorganic or organic compounds of mercury)

    • 2934 20 20 Di(benzothiazol-2-yl)disulphide; benzothiazole-2-thiol (mercaptobenzothiazole) and its salts
    • 2934 20 80 Other
  • 2934 30Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fused

    Explanatory note (Eurostat): Heterocyclic compounds containing in the structure a phenothiazine ring-system, whether or not hydrogenated, but not further fused

    • 2934 30 10 Thiethylperazine (INN); thioridazine (INN) and its salts
    • 2934 30 90 Other
  • 2934 91Other | Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN), haloxazolam (INN), ketazolam (INN), mesocarb (INN), oxazolam (INN), pemoline (INN), phendimetrazine (INN), phenmetrazine (INN) and sufentanil (INN); salts thereof

    Explanatory note (Eurostat): Aminorex "INN", brotizolam "INN", clotiazepam "INN", cloxazolam "INN", dextromoramide "INN", haloxazolam "INN", ketazolam "INN", mesocarb "INN", oxazolam "INN", pemoline "INN", phendimetrazine "INN", phenmetrazine "INN" and sufentanil "INN", and salts thereof

    • 2934 91 00 Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN), haloxazolam (INN), ketazolam (INN), mesocarb (INN), oxazolam (INN), pemoline (INN), phendimetrazine (INN), phenmetrazine (INN) and sufentanil (INN); salts thereof
  • 2934 92Other | Other fentanyls and their derivatives

    Explanatory note (Eurostat): Fentanyls and their derivatives (excl. with nitrogen hetero-atom[s] only, and products of 2934.91)

    • 2934 92 00 Other fentanyls and their derivatives
  • 2934 99Other | Other

    Explanatory note (Eurostat): Nucleic acids and their salts, whether or not chemically defined; heterocyclic compounds (excl. with oxygen only or with nitrogen hetero-atom[s] only, compounds containing in the structure an unfused thiazole ring or a benzothiazole or phenothiazine ring-system, not further fused and aminorex "INN", brotizolam "INN", clotiazepam "INN", cloxazolam "INN", dextromoramide "INN", haloxazolam "INN", ketazolam "INN", mesocarb "INN", oxazolam "INN", pemoline "INN", phendimetrazine "INN", phenmetrazine "INN", sufentanil "INN", and salts thereof, other fentanyls and their derivatives, and inorganic or organic compounds of mercury whether or not chemically defined, and products of 3002 10)

    • 2934 99 60 Chlorprothixene (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 Other

The first 6 digits are the Harmonized System, shared worldwide: a US HTS code that starts with the same 6 digits sits under the same subheading. The last 2 digits are the EU's own CN split.

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Not a binding classification

These pages show the official texts for reference. They are not a binding classification: check the code with your customs broker, or ask your customs authority for Binding Tariff Information (BTI).

Source

Source: EU Combined Nomenclature 2026 (Commission Implementing Regulation (EU) 2025/1926), © European Union, https://eur-lex.europa.eu/. Reformatted by WISEPIM: indent dashes removed and parent lines joined. Only the Official Journal is authentic.