US duty (general)
Free - 6.5%
US HTS lines
14
EU CN codes
3
UK commodity codes
40
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 2935.90
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 |
|---|---|---|---|---|---|
| 2935.90.06 | 4-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam) | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 41% | kg |
| 2935.90.10 | 2-Amino-N-ethylbenzenesulfonanilide; 5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide; Benzenesulfonamide; Benzenesulfonyl hydrazide; 2-Chloro-4-amino-5-hydroxybenzenesulfonamide; 2,5-Dimethoxysulfanilanilide; and Metanilamide | 6.5% | Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,L,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 41% | kg |
| 2935.90.13 | (5‐[2‐Chloro‐4‐ (trifluoromethyl)phenoxy]‐N‐ (methylsulfonyl)‐2‐nitrobenzamide) (Fomesafen); N‐(2,6‐Dichloro‐3‐ methylphenyl)‐5‐ amino‐1,3,4‐triazole‐2‐sulfonamide; 2,4‐Dichloro‐5‐ sulfamoylbenzoic acid; N‐Ethyl‐o‐ toluenesulfonamide; N‐Ethyl‐p‐toluenesulfonamide; 7-(Hexadecylsulfonylamino) ‐1H‐indole; Methyl 5‐{[(4,6‐dimethoxy‐2‐pyrimidinyl)amino]‐ carbonylaminosulfonyl} ‐3‐chloro‐1‐methyl‐1H‐pyrazole‐4‐carboxylate (Halosulfuron methyl); and Mixtures of ortho‐ and para-toluenesulfonamides | Free | - | 15.4¢/kg + 57.5% | kg |
| 2935.90.15 | o-Toluenesulfonamide | 6.5% | Free (A+,AU,BH,CL,CO,D, E,IL, JO, KR,MA,OM,P, PA,PE,S,SG) | 15.4¢/kg + 57.5% | kg |
| 2935.90.20 |
Other > Fast color bases and fast color salts |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 54.5% | kg |
| 2935.90.29 |
Drugs > Anti-infective agents > Acetylsulfaguanidine |
Free | - | 15.4¢/kg + 96% | kg |
| 2935.90.30 |
Drugs > Anti-infective agents > Sulfamethazine |
Free | - | 15.4¢/kg + 80% | kg |
| 2935.90.32 |
Drugs > Anti-infective agents > Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 96% | kg |
| 2935.90.33 |
Drugs > Anti-infective agents > Sulfathiazole and Sulfathiazole, sodium |
Free | - | 15.4¢/kg + 133% | kg |
| 2935.90.42 |
Drugs > Anti-infective agents > Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine |
Free | - | 15.4¢/kg + 128.5% | kg |
| 2935.90.48 |
Drugs > Anti-infective agents > 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 + 96% | kg |
| 2935.90.60 |
Drugs > Anti-infective agents > 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 + 45% | kg |
| 2935.90.75 |
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 + 57.5% | kg |
| 2935.90.95 |
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 + 57.5% | 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 2935.90
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 | |
|---|---|---|
| 2935 90 30 | 3-{1-[7-(Hexadecylsulphonylamino)-1H-indole-3-yl]-3-oxo-1H,3H-naphtho[1,8-cd]pyran-1-yl}-N,N-dimethyl-1H-indole-7-sulphonamide; metosulam (ISO) | EU duty (TARIC) → |
| 2935 90 90 | Other | EU duty (TARIC) → |
| 2935 90 00 | Other | EU duty (TARIC) → |
United Kingdom - commodity codes under 2935.90
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 | |
|---|---|---|
| 2935 90 00 00 | Other | UK duty & VAT → |
| 2935 90 30 00 | 3-{1-[7-(Hexadecylsulphonylamino)-1H-indole-3-yl]-3-oxo-1H,3H-naphtho[1,8-cd]pyran-1-yl}-N,N-dimethyl-1H-indole-7-sulphonamide; metosulam (ISO) | UK duty & VAT → |
| 2935 90 90 00 | Other | UK duty & VAT → |
| 2935 90 90 10 | Florasulam (ISO) (CAS RN 145701-23-1) | UK duty & VAT → |
| 2935 90 90 16 | 2-Bromo-N-(4,5-dimethyl-1,2-oxazol-3-yl)-N-(methoxymethyl) benzene-1-sulfonamide (CAS RN 415697-57-3) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2935 90 90 18 | 4-Amino-2,5-dimethoxy-N-methylbenzenesulfonamide (CAS RN 49701-24-8) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2935 90 90 19 | 4-Amino-2,5-dimethoxy-N-phenylbenzenesulphonamide (CAS RN 52298-44-9) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2935 90 90 20 | Toluenesulphonamides | UK duty & VAT → |
| 2935 90 90 21 | Encorafenib (INN) (CAS 1269440-17-6) with a purity by weight of 99 % or more | UK duty & VAT → |
| 2935 90 90 22 | Methyl 2-(chlorosulfonyl)-4-(methylsulfonamidomethyl)benzoate (CAS RN 393509-79-0) with a purity by weight of 90 % or more | UK duty & VAT → |
| 2935 90 90 23 | N-[4-(2-Chloroacetyl)phenyl]methanesulphonamide (CAS RN 64488-52-4) | UK duty & VAT → |
| 2935 90 90 24 | 3-({[(4-methylphenyl)sulfonyl]carbamoyl}amino)phenyl 4-methylbenzenesulfonate (CAS RN 232938-43-1) with a purity by weight of 99 % or more | UK duty & VAT → |
| 2935 90 90 26 | 5-(2-Fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carbaldehyde (CAS RN 881677-11-8) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2935 90 90 27 | Methyl (3R,5S,6E)-7-{4-(4-fluorophenyl)-6-isopropyl-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl}-3,5-dihydroxyhept-6-enoate (CAS RN 147118-40-9) | UK duty & VAT → |
| 2935 90 90 29 | Vemurafenib (INN) (CAS RN 918504-65-1) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2935 90 90 30 | 6-Aminopyridine-2-sulfonamide (CAS RN 75903-58-1) | UK duty & VAT → |
| 2935 90 90 31 | 5-(N-3-methylphenyl-sulfonylamido)-(N',N''-bis-(3-methylphenyl)-isophthalicacid-diamide) (CAS RN 2375645-78-4) with a purity by weight of 95 % or more | UK duty & VAT → |
| 2935 90 90 32 | 4-Chloro-3-nitro-5-sulphamoylbenzoic acid (CAS RN 22892-96-2) with a purity by weight of 96 % or more | UK duty & VAT → |
| 2935 90 90 33 | 4-Chloro-3-pyridinesulphonamide (CAS RN 33263-43-3) | UK duty & VAT → |
| 2935 90 90 37 | 1,3-Dimethyl-1H-pyrazole-4-sulfonamide (CAS RN 88398-53-2) | UK duty & VAT → |
| 2935 90 90 40 | Venetoclax (INN) (CAS 1257044-40-8) | UK duty & VAT → |
| 2935 90 90 41 | Lenacapavir sodium (INNM) (CAS RN 2283356-12-5) with a purity by weight of 98 % or more | UK duty & VAT → |
| 2935 90 90 42 | Penoxsulam (ISO) (CAS RN 219714-96-2) | UK duty & VAT → |
| 2935 90 90 44 | 4-[2-(7-Methoxy-4,4-dimethyl-1,3-dioxo-3,4-dihydroisoquinolin-2(1H)-yl)ethyl]bezenesulphonamide (CAS RN 33456-68-7) with a purity by weight of 99,5 % or more | UK duty & VAT → |
| 2935 90 90 45 | Rimsulfuron (ISO) (CAS RN 122931-48-0) | UK duty & VAT → |
| 2935 90 90 48 | (3R,5S,6E)-7-[4-(4-Fluorophenyl)-2-[methyl(methylsulfonyl)amino]-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid -- 1-[(R)-(4-chlorophenyl)(phenyl)methyl]piperazine (1:1), (CAS RN 1235588-99-4) | UK duty & VAT → |
| 2935 90 90 50 | 4,4'-Oxydi(benzenesulphonohydrazide) (CAS RN 80-51-3) | UK duty & VAT → |
| 2935 90 90 53 | 2,4-Dichloro-5-sulphamoylbenzoic acid (CAS RN 2736-23-4) | UK duty & VAT → |
| 2935 90 90 54 | Propoxycarbazone-sodium (ISO) (CAS RN 181274-15-7) with a purity by weight of 95 % or more | UK duty & VAT → |
| 2935 90 90 55 | Thifensulfuron-methyl (ISO) (CAS RN 79277-27-3) | UK duty & VAT → |
| 2935 90 90 57 | N-{2-[(phenylcarbamoyl)amino]phenyl}benzenesulphonamide (CAS RN 215917-77-4) | UK duty & VAT → |
| 2935 90 90 59 | Flazasulfuron (ISO) (CAS RN 104040-78-0) with a purity of 94 % by weight or more | UK duty & VAT → |
| 2935 90 90 63 | Nicosulphuron (ISO), (CAS RN 111991-09-4) of a purity by weight of 91 % or more | UK duty & VAT → |
| 2935 90 90 65 | Tribenuron-methyl (ISO) (CAS RN 101200-48-0) | UK duty & VAT → |
| 2935 90 90 70 | (4S)-4-hydroxy-2-(3-methoxypropyl)-3,4-dihydro-2H-thieno[3,2-e]thiazine-6-sulfonamide-1,1-dioxide (CAS RN 154127-42-1) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2935 90 90 79 | 4-[[(2-Methoxybenzoyl)amino]sulfonyl]benzoyl chloride (CAS RN 816431-72-8) | UK duty & VAT → |
| 2935 90 90 80 | 4-Chloro-3-sulphamoylbenzoic acid (CAS RN 1205-30-7) with a purity by weight of 97 % or more | UK duty & VAT → |
| 2935 90 90 88 | N-(2-(4-Amino-N-ethyl-m-toluidino)ethyl)methanesulphonamide sesquisulphate monohydrate (CAS RN 25646-71-3) | UK duty & VAT → |
| 2935 90 90 89 | 3-(3-Bromo-6-fluoro-2-methylindol-1-ylsulphonyl)-N,N-dimethyl-1,2,4-triazol-1-sulphonamide (CAS RN 348635-87-0) | UK duty & VAT → |
| 2935 90 90 99 | Other | 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 2935
The subheadings immediately before and after 2935.90 in chapter 29.
2935.30 N-Ethyl -N-(2-hydroxyethyl)perfluorooctane sulfonamide
2935.40 N-(2-hydroxyethyl)-N-methyl perfluorooctane sulfonamide
2935.50 Other perfluorooctane sulfonamides
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 2935.90.
What is HS code 2935.90?
HS code 2935.90 covers: Other. It belongs to chapter 29 (Organic chemicals) of the Harmonized System.
What is the US import duty for HS code 2935.90?
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 2935.90?
The UK extends 2935.90 to 40 declarable 10-digit commodity codes, starting with 2935900000. The full code goes on the UK customs declaration.