Mexican Tariff (TIGIE) · tariff fraction · HS 2935.90

2935.90.99.03

2935.90.99.03: Other sulphonamides: 2-Cloro-5-(1-hidroxi-3-oxo-1-isoindolinil) bencen sulfonamida (Clortalidona).

Other sulphonamides

✓ Can be used in a customs declaration Data: Mexican Tariff (TIGIE), in force from 14 October 2026 · checked on 24 October 2026

This line has no official text in this language; it is shown in the language of its tariff.

  1. 2935 Sulfonamidas.
  2. 2935.90 Las demás.
  3. 2935.90.99 Las demás.
  4. 2935.90.99.03 2-Cloro-5-(1-hidroxi-3-oxo-1-isoindolinil) bencen sulfonamida (Clortalidona).

What you pay

Importing into Mexico

Customs duty Free standard rate depends on the country of origin

Customs duty only: import VAT, other taxes and trade defence duties of this country are not covered here, and the duty calculator works only with the EU, Türkiye, US and UK tariffs.

Same subheading in other tariffs

2935.90 Sulphonamides, other

UK Free – 6% Third-country duty 38 tariff lines · average 5.7% EU Free – 6.5% Third-country duty 2 tariff lines · average 3.3% Türkiye Free – 6.5% Third-country duty 13 tariff lines · average 6% USA Free – 6.5% General (MFN) 14 tariff lines · average 4.2% Canada Free General (MFN) 1 tariff line Brazil Free – 12.6% General (MFN) 19 tariff lines · average 5.1% Argentina Free – 12.6% General (MFN) 36 tariff lines · average 2.7% Peru Free General (MFN) 2 tariff lines New Zealand Free General (MFN) 1 tariff line Japan 3.9% General (MFN) 1 tariff line Taiwan 5% General (MFN) 8 tariff lines GCC 5% General (MFN) 1 tariff line Switzerland Free General (MFN) 1 tariff line Norway Free General (MFN) 1 tariff line North Macedonia Free – 5% General (MFN) 2 tariff lines · average 2.5% Nigeria 5% General (MFN) 1 tariff line

Mexico lines: 2935.90

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N357263 U.S. CBP 20 July 2026 · 2935.90.75.00

    The tariff classification of N-Phenyl-N-(trichloromethylsulfenyl)-benzenesulfonamide (CAS No. 2280-49-1) from China

  • N360727 U.S. CBP 12 May 2026 · 2935.90.60.00

    The tariff classification of Tenapanor Hydrochloride (CAS No. 1234365-97-9) in bulk form, from Taiwan

  • N344340 U.S. CBP 13 March 2025 · 2935.90.95.00

    The tariff classification of Color Developing Agent 3 (CAS No. 25646-71-3) and Color Developing Agent 4 (CAS No. 25646-77-9) from China imported in bulk form

  • N334917 U.S. CBP 13 September 2023 · 2935.90.75.00

    The tariff classification of Sodium bis(trifluoromethane)sulfonimide (CAS # 91742-21-1) from China

12 rulings in total for this code

Legal notes

Chapter notes: Chapter 29 →

Code history

Since 2017; before, these goods were classified under 2935.00.

Tariff fraction 2935.90.99.03 is a line of the Mexican Tariff (TIGIE) under HS subheading 2935.90 (sulphonamides, other).

The import duty (IGI) is free, and quantities are declared in Kg.

For the same subheading, the UK duty is 0%–6%, the EU duty is 0%–6.5%, the Türkiye duty is 0%–6.5%, the US duty is 0%–6.5%, the Canada duty is free, the Brazil duty is 0%–12.6%, the Argentina duty is 0%–12.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 3.9%, the Taiwan duty is 5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 0%–5% and the Nigeria duty is 5%.

Mexico imported goods of subheading 2935.90 worth US$25m in 2024; the largest supplier was India.

Questions and answers

What is the Mexico import duty for tariff fraction 2935.90.99.03?

The import duty (IGI) in the Mexican Tariff (TIGIE) is free; the supplementary unit is Kg. This page shows the rate as published by the national source and, where the source publishes them, preferential rates: choose the country of origin to see them. Trade defence duties and VAT are not covered.

Where does Mexico import these goods from?

For subheading 2935.90 as a whole, the largest supplier in 2024 was India (US$8m), followed by the United States.

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