Chapter 29 · Organic chemicals · Section 6
HS Code 2934.99
Other
Heading 2934: Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
US duty (general)
Free - 6.5%
US HTS lines
19
EU CN codes
3
UK commodity codes
72
Unit
kg
US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources
United States - HTS lines under 2934.99
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 2934.99.01 |
Other > Aromatic or modified aromatic > Mycophenolate mofetil |
Free | - | 15.4¢/kg + 45% | kg |
| 2934.99.03 |
Other > Aromatic or modified aromatic > 2-Acetylbenzo(b)thiophene; 3-Methylene-7-(2-phenoxyacetamido)- cephan-4-carboxylic acid, p-nitrobenzyl ester, 1-oxide; and Naphth[1,2-d]-[1,2,3]-oxadiazole-5-sulfonic acid and its sodium salt |
Free | - | 15.4¢/kg + 52% | kg |
| 2934.99.05 |
Other > Aromatic or modified aromatic > 5-Amino-3-phenyl-1,2,4-thiadiazole (3-Phenyl-5-amino-1,2,4-thiadiazole); 2-Hydroxybenzoxazole (Benzoxazolone); 4-Phenylmorpholine; 1,9-Thianthrenedicarboxylic acid; and Thioxanthene-9-one (Thioxanthone) |
5.8% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 39.5% | kg |
| 2934.99.06 |
Other > Aromatic or modified aromatic > 7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts |
6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 66.5% | kg |
| 2934.99.07 |
Other > Aromatic or modified aromatic > Ethyl 2-[4-[(6-chloro-2-benzoxazolyl)oxy]- phenoxy]propanoate (Fenoxaprop-ethyl) |
Free | - | 15.4¢/kg + 48.5% | kg |
| 2934.99.08 |
Other > Aromatic or modified aromatic > 2,5-Diphenyloxazole |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 52% | kg |
| 2934.99.09 |
Other > Aromatic or modified aromatic > 1,2-Benzisothiazolin-3-one |
Free | - | 15.4¢/kg + 40.5% | kg |
| 2934.99.11 |
Other > Pesticides > 2-tert-Butyl-4-(2,4-dichloro-5- isopropoxyphenyl)-Δ²-1,3,4- oxadiazolin-5-one; 3-Isopropyl-1H-2,1,3- benzothiadiazin-4-(3H)-one-2,2- dioxide (Bentazon); andO,O-Diethyl-S-[(6-chloro-2- oxobenzoxazolin-3-yl)methyl]- phosphorodithioate (Phosalone) |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40.5% | kg |
| 2934.99.12 |
Pesticides > Other > Fungicides |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40% | kg |
| 2934.99.15 |
Pesticides > Other > Herbicides |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.25% (JP) | 15.4¢/kg + 48.5% | kg |
| 2934.99.16 |
Pesticides > Other > Insecticides |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 64.5% | kg |
| 2934.99.18 |
Pesticides > Other > Other |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 40% | kg |
| 2934.99.20 |
Pesticides > Other > Photographic chemicals |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 50% | kg |
| 2934.99.30 |
Pesticides > Other > Drugs |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45% | kg |
| 2934.99.39 |
Other > Other > Products described in additional U.S. note 3 to section VI |
6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 52% | kg |
| 2934.99.44 |
Other > Other > Other |
6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 52% | kg |
| 2934.99.47 |
Other > Other > Drugs 4 statistical lines (10-digit)
|
3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2934.99.70 |
Other > Other > Morpholinoethyl chloride hydrochloride; 2-Methyl-2,5-dioxo-1-oxa-2-phospholan; and (6R-trans)-7-Amino-3-methyl-8-oxo-5- thia-1-azabicyclo[4.2.0]-oct-2-ene-2- carboxylic acid |
Free | - | 30.5% | kg |
| 2934.99.90 |
Other > Other > Other 1 statistical line (10-digit)
|
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 30.5% | kg |
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Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 2934.99
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 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 | EU duty (TARIC) → |
| 2934 99 90 | Other | EU duty (TARIC) → |
| 2934 99 00 | Other | EU duty (TARIC) → |
United Kingdom - commodity codes under 2934.99
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 2934 99 00 00 | Other | UK duty & VAT → |
| 2934 99 60 00 | 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 | UK duty & VAT → |
| 2934 99 90 00 | Other | UK duty & VAT → |
| 2934 99 90 04 | Silthiofam (ISO) (CAS RN 175217-20-6) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2934 99 90 05 | (S)-2-Methyl-1-(6-nitropyridin-3-yl)-4-(oxetan-3-yl)piperazine (CAS RN 1895867-67-0) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2934 99 90 06 | Cis-[2-(2,4-Dichlorodiphenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4yl]methyl-4-methylbenzenesulfonate (CAS RN 134071-44-6) with a purity by weight of 99 % or more | UK duty & VAT → |
| 2934 99 90 07 | Cedazuridine (INN) (CAS RN 1141397-80-9) with a purity by weight of 99 % or more | UK duty & VAT → |
| 2934 99 90 08 | (R)-tert-butyl 2-(6-(5-chloro-2-((tetrahydro-2H-pyran-4-yl)amino)pyrimidin-4-yl)-1-oxoisoindolin-2-yl)propanoate (CAS RN 2095665-45-3) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2934 99 90 09 | 3-[2-{(2R,3S)-3-[(1R)-1-{[tert-butyl(dimethyl)silyl]oxy}ethyl]-4-oxoazetidin-2-yl}propanoyl]-4,4-dimethyl-1,3-oxazolidin-2-one (isomeric mixture of CAS RNs 114341-89-8 and 114418-63-2) with a purity by weight of 99 % or more | UK duty & VAT → |
| 2934 99 90 10 | Fluralaner (INN) (CAS RN 864731-61-3) | UK duty & VAT → |
| 2934 99 90 11 | Aqueous solution of d(P-thio)(T-G-A-C-T-G-T-G-A-A-C-G-T-T-C-G-A-G-A-T-G-A) deoxyribonucleic acid (CAS RN 937402-51-2), containing by weight 15 % or more, but not more than 25 % of oligodeoxynucleotide | UK duty & VAT → |
| 2934 99 90 12 | Dimethomorph (ISO) (CAS RN 110488-70-5) | UK duty & VAT → |
| 2934 99 90 13 | (6S)-6-methyl-5,6-Dihydro-4H-thieno[2,3-b]thiopyran4-one-7,7-dioxide (CAS RN 148719-91-9) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2934 99 90 14 | 2-Mercaptoadenosine (CAS RN 43157-50-2) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2934 99 90 16 | Difenoconazole (ISO) (CAS RN 119446-68-3) | UK duty & VAT → |
| 2934 99 90 17 | (S)-4-(tert-butoxycarbonyl)-1,4-oxazepane-2-carboxylic acid (CAS RN 1273567-44-4) with a purity by weight of 95 % or more | UK duty & VAT → |
| 2934 99 90 18 | Methyl (1R,3R)-1-(1,3-benzodioxol-5-yl)-2-(2-chloroacetyl)-1,3,4,9-tetrahydropyrido[5,4-b]indole-3-carboxylate (CAS RN 171489-59-1) with a purity by weight of 99 % or more | UK duty & VAT → |
| 2934 99 90 19 | (4R,6S)-6-Methyl-7,7-dioxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-ol (CAS RN 147128-77-6) with a purity by weight of 94 % or more | UK duty & VAT → |
| 2934 99 90 20 | Thiophene (CAS RN 110-02-1) | UK duty & VAT → |
| 2934 99 90 21 | Acesulfame potassium (potassium salt of 6-methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide; CAS RN 55589-62-3) ace-K | UK duty & VAT → |
| 2934 99 90 22 | 4-(Oxiran-2-ylmethoxy)-9H-carbazole (CAS RN 51997-51-4) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2934 99 90 24 | Flufenacet (ISO) (CAS RN 142459-58-3) with a purity by weight of 95 % or more | UK duty & VAT → |
| 2934 99 90 26 | 4-Methylmorpholine 4-oxide in an aqueous solution (CAS RN 7529-22-8) | UK duty & VAT → |
| 2934 99 90 27 | 2-(4-Hydroxyphenyl)-1-benzothiophene-6-ol (CAS RN 63676-22-2) | UK duty & VAT → |
| 2934 99 90 28 | 11-(Piperazin-1-yl)dibenzo[b,f][1,4]thiazepine dihydrochloride (CAS RN 111974-74-4) | UK duty & VAT → |
| 2934 99 90 30 | Dibenzo[b,f][1,4]thiazepin-11(10H)-one (CAS RN 3159-07-7) | UK duty & VAT → |
| 2934 99 90 31 | Thenoic acid (CAS RN 1918-77-0) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2934 99 90 32 | (6R,7R)-Benzhydryl 3-hydroxy-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate (CAS RN 54639-48-4) with a purity by weight of 95 % or more | UK duty & VAT → |
| 2934 99 90 34 | Benzyl 4-(oxetan-3-yl)piperazine-1-carboxylate (CAS RN 1254115-22-4) with a purity by weight of 99 % or more | UK duty & VAT → |
| 2934 99 90 35 | Nusinersen sodium (INNM) (CAS RN 1258984-36-9) with a purity by weight of 95 % or more | UK duty & VAT → |
| 2934 99 90 36 | Nadide phosphate (INNM) disodium salt (CAS RN 24292-60-2) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2934 99 90 37 | 4-Propan-2-ylmorpholine (CAS RN 1004-14-4) | UK duty & VAT → |
| 2934 99 90 38 | 2-Chloro-9H-thioxanthen-9-one (CAS RN 86-39-5) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2934 99 90 39 | 4-(Oxiran-2-ylmethoxy)-9H-carbazole (CAS RN 51997-51-4) | UK duty & VAT → |
| 2934 99 90 40 | 2,3-Pyrazinedicarboxylic anhydride (CAS RN 4744-50-7) with a purity by weight of 95 % or more | UK duty & VAT → |
| 2934 99 90 41 | 11-[4-(2-Chloro-ethyl)-1-piperazinyl]dibenzo(b,f)(1,4)thiazepine (CAS RN 352232-17-8) | UK duty & VAT → |
| 2934 99 90 45 | 4-[4-[(5s)-5-(Aminomethyl)-2-oxo-3-oxazolidinyl] phenyl]-3-morpholinone, hydrochloride (CAS RN 898543-06-1) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2934 99 90 46 | (6R-trans)-7-Amino-8-oxo-3-[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazin-3-yl)thio]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (CAS RN 58909-56-1) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2934 99 90 47 | 2,4-Diethyl-9H-thioxanthen-9-one (CAS RN 82799-44-8) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2934 99 90 48 | Propan-2-ol -- 2-methyl-4-(4-methylpiperazin-1-yl)-10H-thieno[2,3-b][1,5]benzodiazepine (1:2) dihydrate, (CAS RN 864743-41-9) | UK duty & VAT → |
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).
Other subheadings in 2934
2934.00 2934 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic
2934.10 Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structu
2934.20 Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogen
2934.30 Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogen
2934.91 Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN
2934.92 Other fentanyls and their derivatives
2934.99 Other
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.