# European Union tariff lines under HS 2935.90

> The European Union tariff splits HS 2935.90 (sulphonamides) into 38 national lines: 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)), 2935 90 90 10 (florasulam (ISO) (CAS RN 145701-23-1)), 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), 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) and 34 others.

Source: https://border.bot/countries/european-union/hs-codes/293590
Last updated: 11 October 2026

[Countries](https://border.bot/countries) / [European Union](https://border.bot/countries/european-union) / [Chapter 29](https://border.bot/countries/european-union/hs-codes/29) / [2935.90](https://border.bot/countries/european-union/hs-codes/293590)

## Key facts

- HS subheading: [2935.90](https://border.bot/hs-codes/293590)
- National lines: 38
- Import VAT/GST in the European Union: VAT 21%
- De minimis in the European Union: Flat €3 duty up to €150; tax always charged
- Tariff: [European Union](https://border.bot/countries/european-union)
- Chapter: 29: Organic chemicals

## European Union lines under 2935.90

The European Union tariff splits HS 2935.90 (sulphonamides) into 38 national lines: 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)), 2935 90 90 10 (florasulam (ISO) (CAS RN 145701-23-1)), 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), 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) and 34 others.

- [2935 90 30 00](https://border.bot/countries/european-union/hs-codes/2935903000) Other, 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). Duty (MFN): 0%
- [2935 90 90 10](https://border.bot/countries/european-union/hs-codes/2935909010) Other, Other, Florasulam (ISO) (CAS RN 145701-23-1). Duty (MFN): 6.5%
- [2935 90 90 16](https://border.bot/countries/european-union/hs-codes/2935909016) Other, Other, 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. Duty (MFN): 6.5%
- [2935 90 90 18](https://border.bot/countries/european-union/hs-codes/2935909018) Other, Other, 4-Amino-2,5-dimethoxy-N-methylbenzenesulfonamide (CAS RN 49701-24-8) with a purity by weight of 98 % or more. Duty (MFN): 6.5%
- [2935 90 90 19](https://border.bot/countries/european-union/hs-codes/2935909019) Other, Other, 4-Amino-2,5-dimethoxy-N-phenylbenzenesulphonamide (CAS RN 52298-44-9) with a purity by weight of 98 % or more. Duty (MFN): 6.5%
- [2935 90 90 20](https://border.bot/countries/european-union/hs-codes/2935909020) Other, Other, Toluenesulphonamides. Duty (MFN): 6.5%
- [2935 90 90 21](https://border.bot/countries/european-union/hs-codes/2935909021) Other, Other, Encorafenib (INN) (CAS 1269440-17-6) with a purity by weight of 99 % or more. Duty (MFN): 6.5%
- [2935 90 90 22](https://border.bot/countries/european-union/hs-codes/2935909022) Other, Other, Methyl 2-(chlorosulfonyl)-4-(methylsulfonamidomethyl)benzoate (CAS RN 393509-79-0) with a purity by weight of 90 % or more. Duty (MFN): 6.5%
- [2935 90 90 23](https://border.bot/countries/european-union/hs-codes/2935909023) Other, Other, N-[4-(2-Chloroacetyl)phenyl]methanesulphonamide (CAS RN 64488-52-4). Duty (MFN): 6.5%
- [2935 90 90 24](https://border.bot/countries/european-union/hs-codes/2935909024) Other, Other, 3-({[(4-methylphenyl)sulfonyl]carbamoyl}amino)phenyl 4-methylbenzenesulfonate (CAS RN 232938-43-1) with a purity by weight of 99 % or more. Duty (MFN): 6.5%
- [2935 90 90 26](https://border.bot/countries/european-union/hs-codes/2935909026) Other, Other, 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. Duty (MFN): 6.5%
- [2935 90 90 27](https://border.bot/countries/european-union/hs-codes/2935909027) Other, Other, 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). Duty (MFN): 6.5%
- [2935 90 90 29](https://border.bot/countries/european-union/hs-codes/2935909029) Other, Other, Vemurafenib (INN) (CAS RN 918504-65-1) with a purity by weight of 98 % or more. Duty (MFN): 6.5%
- [2935 90 90 30](https://border.bot/countries/european-union/hs-codes/2935909030) Other, Other, 6-Aminopyridine-2-sulfonamide (CAS RN 75903-58-1). Duty (MFN): 6.5%
- [2935 90 90 31](https://border.bot/countries/european-union/hs-codes/2935909031) Other, Other, 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. Duty (MFN): 6.5%
- [2935 90 90 32](https://border.bot/countries/european-union/hs-codes/2935909032) Other, Other, 4-Chloro-3-nitro-5-sulphamoylbenzoic acid (CAS RN 22892-96-2) with a purity by weight of 96 % or more. Duty (MFN): 6.5%
- [2935 90 90 33](https://border.bot/countries/european-union/hs-codes/2935909033) Other, Other, 4-Chloro-3-pyridinesulphonamide (CAS RN 33263-43-3). Duty (MFN): 6.5%
- [2935 90 90 37](https://border.bot/countries/european-union/hs-codes/2935909037) Other, Other, 1,3-Dimethyl-1H-pyrazole-4-sulfonamide (CAS RN 88398-53-2). Duty (MFN): 6.5%
- [2935 90 90 40](https://border.bot/countries/european-union/hs-codes/2935909040) Other, Other, Venetoclax (INN) (CAS 1257044-40-8). Duty (MFN): 6.5%
- [2935 90 90 41](https://border.bot/countries/european-union/hs-codes/2935909041) Other, Other, Lenacapavir sodium (INNM) (CAS RN 2283356-12-5) with a purity by weight of 98 % or more. Duty (MFN): 6.5%
- [2935 90 90 42](https://border.bot/countries/european-union/hs-codes/2935909042) Other, Other, Penoxsulam (ISO) (CAS RN 219714-96-2). Duty (MFN): 6.5%
- [2935 90 90 44](https://border.bot/countries/european-union/hs-codes/2935909044) Other, Other, 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. Duty (MFN): 6.5%
- [2935 90 90 45](https://border.bot/countries/european-union/hs-codes/2935909045) Other, Other, Rimsulfuron (ISO) (CAS RN 122931-48-0). Duty (MFN): 6.5%
- [2935 90 90 48](https://border.bot/countries/european-union/hs-codes/2935909048) Other, Other, (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). Duty (MFN): 6.5%
- [2935 90 90 50](https://border.bot/countries/european-union/hs-codes/2935909050) Other, Other, 4,4'-Oxydi(benzenesulphonohydrazide) (CAS RN 80-51-3). Duty (MFN): 6.5%
- [2935 90 90 53](https://border.bot/countries/european-union/hs-codes/2935909053) Other, Other, 2,4-Dichloro-5-sulphamoylbenzoic acid (CAS RN 2736-23-4). Duty (MFN): 6.5%
- [2935 90 90 54](https://border.bot/countries/european-union/hs-codes/2935909054) Other, Other, Propoxycarbazone-sodium (ISO) (CAS RN 181274-15-7) with a purity by weight of 95 % or more. Duty (MFN): 6.5%
- [2935 90 90 55](https://border.bot/countries/european-union/hs-codes/2935909055) Other, Other, Thifensulfuron-methyl (ISO) (CAS RN 79277-27-3). Duty (MFN): 6.5%
- [2935 90 90 57](https://border.bot/countries/european-union/hs-codes/2935909057) Other, Other, N-{2-[(phenylcarbamoyl)amino]phenyl}benzenesulphonamide (CAS RN 215917-77-4). Duty (MFN): 6.5%
- [2935 90 90 59](https://border.bot/countries/european-union/hs-codes/2935909059) Other, Other, Flazasulfuron (ISO) (CAS RN 104040-78-0) with a purity of 94 % by weight or more. Duty (MFN): 6.5%
- [2935 90 90 63](https://border.bot/countries/european-union/hs-codes/2935909063) Other, Other, Nicosulphuron (ISO), (CAS RN 111991-09-4) of a purity by weight of 91 % or more. Duty (MFN): 6.5%
- [2935 90 90 65](https://border.bot/countries/european-union/hs-codes/2935909065) Other, Other, Tribenuron-methyl (ISO) (CAS RN 101200-48-0). Duty (MFN): 6.5%
- [2935 90 90 70](https://border.bot/countries/european-union/hs-codes/2935909070) Other, Other, (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. Duty (MFN): 6.5%
- [2935 90 90 79](https://border.bot/countries/european-union/hs-codes/2935909079) Other, Other, 4-[[(2-Methoxybenzoyl)amino]sulfonyl]benzoyl chloride (CAS RN 816431-72-8). Duty (MFN): 6.5%
- [2935 90 90 80](https://border.bot/countries/european-union/hs-codes/2935909080) Other, Other, 4-Chloro-3-sulphamoylbenzoic acid (CAS RN 1205-30-7) with a purity by weight of 97 % or more. Duty (MFN): 6.5%
- [2935 90 90 88](https://border.bot/countries/european-union/hs-codes/2935909088) Other, Other, N-(2-(4-Amino-N-ethyl-m-toluidino)ethyl)methanesulphonamide sesquisulphate monohydrate (CAS RN 25646-71-3). Duty (MFN): 6.5%
- [2935 90 90 89](https://border.bot/countries/european-union/hs-codes/2935909089) Other, Other, 3-(3-Bromo-6-fluoro-2-methylindol-1-ylsulphonyl)-N,N-dimethyl-1,2,4-triazol-1-sulphonamide (CAS RN 348635-87-0). Duty (MFN): 6.5%
- [2935 90 90 99](https://border.bot/countries/european-union/hs-codes/2935909099) Other

## Import VAT and de minimis in the European Union

The European Union charges VAT on imports at a standard rate of 21%.

From 1 July 2026 until 1 July 2028, consignments sold to buyers in the European Union worth up to €150 pay a flat customs duty of €3 per tariff classification in the consignment instead of the tariff rate. Import tax is charged whatever the value.

## In other countries

National tariff lines under 2935.90 are live on border.bot for the United States (14 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/293590): 14 lines, used by 1 other country
- [The Harmonized System text for 2935.90](https://border.bot/hs-codes/293590)

- Previous subheading: [2935.50](https://border.bot/countries/european-union/hs-codes/293550) Other perfluorooctane sulphonamides
- Next subheading: [2936.21](https://border.bot/countries/european-union/hs-codes/293621) Vitamins and their derivatives, unmixed

## Frequently asked questions

### How many national tariff lines does the European Union tariff have under HS 2935.90?

The European Union tariff splits HS 2935.90 (sulphonamides) into 38 national lines: 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)), 2935 90 90 10 (florasulam (ISO) (CAS RN 145701-23-1)), 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), 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) and 34 others.

## Sources and updates

The tariff lines for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The duty rates for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The trade programmes for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The import taxes for the European Union come from border.bot release 1, imported from a file, and have been live since 9 October 2026.

The de minimis thresholds for the European Union come from border.bot release 2, entered by border.bot, and have been live since 11 October 2026.

This page was last updated on 11 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://circabc.europa.eu/sd/a/9e277705-ac42-441d-8580-90cd730d9bc6/Geographical%20areas%20composition.xlsx
- https://circabc.europa.eu/sd/a/bfb94607-8b4c-40c3-ad33-1efef11bb80a/Duties%20Import%2001-99.xlsx
- https://circabc.europa.eu/sd/a/4b3c682c-947c-4f34-932d-0b8d192537bd/Measure%20exclusions.xlsx
- https://circabc.europa.eu/sd/a/13694f84-6980-4966-8c91-22459447b52b/Nomenclature%20EN.xlsx

Machine-readable: https://border.bot/countries/european-union/hs-codes/293590.json