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10,515 NCM codes · 5,612 HS headings
Data: May 2026
Last updated: May 2026
Ch. 29›HS 2934.10

NCM 2934.10.20

Heterocyclic compounds; containing an unfused thiazole ring (whether or not hydrogenated) in the structure

Brazil import duty rates — Updated May 2026

12.6%
Import Duty (II)
0%
IPI
—
Ex-Tarifário
Calc
Full landed cost

NCM 2934.10.20 is the Brazilian tariff code for heterocyclic compounds; containing an unfused thiazole ring (whether or not hydrogenated) in the structure. This code carries 12.6% import duty (II) and 0% IPI. EU-origin products in this category benefit from the EU-Mercosur trade agreement. This is one of 4 NCM codes under HS heading 2934.10.

Classification hierarchy

Ch. 29Organic chemicals
2934Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
2934.10Heterocyclic compounds; containing an unfused thiazole ring (whether or not hydrogenated) in the structure
2934.10.20
Heterocyclic compounds; containing an unfused thiazole ring (whether or not hydrogenated) in the structure

Official Brazilian text: Cloridrato de tiazolidina

Tax breakdown for NCM 2934.10.20

Import Duty (II)Imposto de Importação
12.6%
IPIExcise tax
0%
PIS/COFINSSocial contributions
11.75%
ICMSState VAT — varies by state
17–20%
AFRMMMaritime freight surcharge
8%
Calculate exact landed cost →

Taxes are cascading — each applies on a different base. Use the calculator for the exact total.

Trade overview — HS 2934.10

UN Comtrade 2024

Brazil imported $356.3M of products under HS heading 2934.10 in 2024. Top suppliers:

1China
$190.9M53.6%
2India
$139.6M39.2%
3Mexico
$15.6M4.4%
4Argentina
$3.5M1%
5Japan
$2.3M0.6%

Trade data is at the 6-digit HS level. See full HS 2934.10 details →

Regulatory agencies

ANVISAIBAMAExército

Products under this NCM may need pre-approval before customs clearance.

EU-Mercosur impact

Gradual tariff elimination over 7-10 years. Pharmaceutical intermediates benefit significantly.

Other NCM codes under HS 2934.10

NCMDescription (PT — official)IIIPI
2934.10.10Fentiazac0%0%Calculate →
2934.10.30Tiabendazol0%0%Calculate →
2934.10.90Outros0%0%Calculate →

How to import NCM 2934.10.20 into Brazil

  1. Confirm with your customs broker — NCM 2934.10.20 must exactly match your product description. Misclassification leads to fines and seizure.
  2. Calculate total cost — base import duty is 12.6%, but Brazil adds IPI (0%), PIS/COFINS (11.75%), ICMS (17–20%), and AFRMM (8%) on top. Use our calculator for the exact total.
  3. Get import licenses — this chapter requires clearance from ANVISA, IBAMA, Exército. Apply before shipping.
  4. Choose entry port — ICMS varies by state (17–20%). Compare state rates to optimize your route.

Brazil Import Taxes Explained

Complete guide to the 7 cascading taxes on every import.

How to Export to Brazil

Step-by-step guide for foreign companies.

Regulatory Agencies

ANVISA, INMETRO, MAPA — which products need pre-approval?

Calculate your landed cost for NCM 2934.10.20

Enter CIF value and get a breakdown of all 7 Brazilian import taxes.

Open CalculatorHS 2934.10 Details