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HS 2934 – Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds.

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds.

Subheadings

Child tariff lines and MFN rates

HS codeDescriptionMFN rate
2934-10 – Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structureMFN Free
2934-10-00-00Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structureFree
2934-20 – Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fusedMFN Free
2934-20-00-00Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fusedFree
2934-30 – Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fusedMFN Free
2934-30-00-00Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fusedFree
2934-91 – 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 thereofMFN Free
2934-91-00-00Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN), haloxazolam (INN), ketazolam (INN), mesocarb (INN), oxazolam (IN...Free
2934-92 – Other fentanyls and their derivativesMFN Free
2934-92-00-00Other fentanyls and their derivativesFree
2934-99 – OtherMFN Free
2934-99-00-10Nucleic acids, nucleosides, nucleotides, and their salts, excluding synthetic nucleotide sequences (oligonudeotides) and their saltsFree
2934-99-00-90OtherFree

Top importers in this heading

507 Canadian companies imported goods under heading 29.34 according to the CBSA Canadian Importers Database, 2023 data.

Most frequent importers

  1. ACUITAS THERAPEUTICS INC. - British Columbia - 4 codes
  2. APOTEX INC. - Ontario - 3 codes
  3. CEDARLANE CORPORATION - Ontario - 3 codes
  4. DHARMACON, INC. - Colorado - 3 codes
  5. INTEGRATED DNA TECHNOLOGIES CANADA, INC. - Ontario - 3 codes
  6. MILLIPORESIGMA CANADA LTD. / MILLIPORESIGMA CANADA LTEE - Ontario - 3 codes
  7. THERAPEUTIQUES REPARE INC. - Quebec - 3 codes
  8. UNIVERSITY OF TORONTO - Ontario - 3 codes
  9. A&A PHARMACHEM INC. - Ontario - 2 codes
  10. ABCAM INC. - Massachusetts - 2 codes

Codes with importers

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