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 v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
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 |
Estimate the US duty runs in your browser · no caps
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).
Nearby codes in heading 2934
The subheadings immediately before and after 2934.99 in chapter 29.
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
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.
Frequently asked questions
Common questions about HS code 2934.99.
What is HS code 2934.99?
HS code 2934.99 covers: Other. It belongs to chapter 29 (Organic chemicals) of the Harmonized System.
What is the US import duty for HS code 2934.99?
The US general (normal trade relations) rates under this subheading range: Free - 6.5%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.
What is the UK commodity code for 2934.99?
The UK extends 2934.99 to 72 declarable 10-digit commodity codes, starting with 2934990000. The full code goes on the UK customs declaration.