2935.90: Sulphonamides, other

1. 2935 90 00 00 Other
2. 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) Free+3
3. 2935 90 90 00 Other
4. 2935 90 90 10 Florasulam (iso) (cas rn 145701-23-1) 6%+4
5. 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 6%+3
6. 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 6%+3
7. 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 6%+3
8. 2935 90 90 20 Toluenesulphonamides 6%+4
9. 2935 90 90 21 Encorafenib (inn) (cas 1269440-17-6) with a purity by weight of 99% or more 6%+3
10. 2935 90 90 22 Methyl 2-(chlorosulfonyl)-4-(methylsulfonamidomethyl)benzoate (cas rn 393509-79-0) with a purity by weight of 90% or more 6%+3
11. 2935 90 90 23 N-[4-(2-chloroacetyl)phenyl]methanesulphonamide (cas rn 64488-52-4) 6%+4
12. 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 6%+3
13. 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 6%+3
14. 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) 6%+4
15. 2935 90 90 29 Vemurafenib (inn) (cas rn 918504-65-1) with a purity by weight of 98% or more 6%+3
16. 2935 90 90 30 6-aminopyridine-2-sulfonamide (cas rn 75903-58-1) 6%+4
17. 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 6%+3
18. 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 6%+3
19. 2935 90 90 33 4-chloro-3-pyridinesulphonamide (cas rn 33263-43-3) 6%+4
20. 2935 90 90 37 1.3-dimethyl-1h-pyrazole-4-sulfonamide (cas rn 88398-53-2) 6%+4
21. 2935 90 90 40 Venetoclax (inn) (cas 1257044-40-8) 6%+4
22. 2935 90 90 41 Lenacapavir sodium (innm) (cas rn 2283356-12-5) with a purity by weight of 98% or more 6%+3
23. 2935 90 90 42 Penoxsulam (iso) (cas rn 219714-96-2) 6%+4
24. 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 6%+3
25. 2935 90 90 45 Rimsulfuron (iso) (cas rn 122931-48-0) 6%+4
26. 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) 6%+4
27. 2935 90 90 50 4.4'-oxydi(benzenesulphonohydrazide) (cas rn 80-51-3) 6%+4
28. 2935 90 90 53 2.4-dichloro-5-sulphamoylbenzoic acid (cas rn 2736-23-4) 6%+4
29. 2935 90 90 54 Propoxycarbazone-sodium (iso) (cas rn 181274-15-7) with a purity by weight of 95% or more 6%+4
30. 2935 90 90 55 Thifensulfuron-methyl (iso) (cas rn 79277-27-3) 6%+4
31. 2935 90 90 57 N-{2-[(phenylcarbamoyl)amino]phenyl}benzenesulphonamide (cas rn 215917-77-4) 6%+4
32. 2935 90 90 59 Flazasulfuron (iso) (cas rn 104040-78-0) with a purity of 94% by weight or more 6%+4
33. 2935 90 90 63 Nicosulphuron (iso), (cas rn 111991-09-4) of a purity by weight of 91% or more 6%+4
34. 2935 90 90 65 Tribenuron-methyl (iso) (cas rn 101200-48-0) 6%+4
35. 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 6%+4
36. 2935 90 90 79 4-[[(2-methoxybenzoyl)amino]sulfonyl]benzoyl chloride (cas rn 816431-72-8) 6%+4
37. 2935 90 90 80 4-chloro-3-sulphamoylbenzoic acid (cas rn 1205-30-7) with a purity by weight of 97% or more 6%+3
38. 2935 90 90 88 N-(2-(4-amino-n-ethyl-m-toluidino)ethyl)methanesulphonamide sesquisulphate monohydrate (cas rn 25646-71-3) 6%+4
39. 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) 6%+4
40. 2935 90 90 99 Other Free+4

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Preferential rates by country

UK: imports by month

last 12 months£19.8m+11.5% · previous 12 months

Average import price£51.58 per kg

Main suppliers, last 12 months

Country	Value	Share	Change
China	£11.2m	56.4%	+27.9%
United States	£3.3m	16.5%	+140.4%
Italy	£2m	10.2%	-27.9%
India	£911k	4.6%	+11.5%
Ireland	£788k	4%	-66%
Netherlands	£544k	2.7%	+1,079.4%
Hong Kong SAR China	£204k	1%	—
Germany	£194k	1%	+143.7%

Same subheading in other tariffs

EU Free – 6.5% Third-country duty 2 tariff lines · average 3.3% Türkiye 15% Statutory rate (Law 474) 13 tariff lines USA Free – 6.5% General (MFN) 14 tariff lines · average 4.2%

The Turkish schedule prints the statutory rate set under Customs Law 474. The rate applied at import is laid down in the Import Regime Decision and can be lower, or different by country of origin.

World trade in 2024

Top exporters

Rank	Country	Value	Share
1	Switzerland	US$2.7bn	31.1%
2	Ireland	US$2.6bn	29.7%
3	India	US$672.7m	7.8%
4	China	US$662.3m	7.7%
5	Singapore	US$423.4m	4.9%
6	Belgium	US$290.1m	3.4%
7	France	US$191.1m	2.2%
8	United States	US$190.5m	2.2%
9	Netherlands	US$181.4m	2.1%
10	Germany	US$148.1m	1.7%

Top importers

Rank	Country	Value	Share
1	United States	US$2bn	23.8%
2	Slovenia	US$1.6bn	18.9%
3	Spain	US$839.9m	9.8%
4	Germany	US$551.1m	6.4%
5	Italy	US$484.4m	5.6%
6	Belgium	US$335.4m	3.9%
7	France	US$330.5m	3.8%
8	China	US$290m	3.4%
9	Canada	US$249.1m	2.9%
10	Japan	US$229.7m	2.7%

Questions and answers