NCM 2934.91.42
Heterocyclic compounds; other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3
Brazil import duty rates — Updated May 2026
NCM 2934.91.42 is the Brazilian tariff code for heterocyclic compounds; other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3. This code carries 0% import duty (II) and 0% IPI. EU-origin products in this category benefit from the EU-Mercosur trade agreement. This is one of 15 NCM codes under HS heading 2934.91.
Classification hierarchy
Official Brazilian text: Mesocarbo
Tax breakdown for NCM 2934.91.42
Taxes are cascading — each applies on a different base. Use the calculator for the exact total.
Trade overview — HS 2934.91
UN Comtrade 2024Brazil imported $68K of products under HS heading 2934.91 in 2024. Top suppliers:
Trade data is at the 6-digit HS level. See full HS 2934.91 details →
Regulatory agencies
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 2934.91
| NCM | Description (PT — official) | II | IPI | |
|---|---|---|---|---|
| 2934.91.11 | Aminorex e seus sais | 0% | 0% | Calculate → |
| 2934.91.12 | Brotizolam e seus sais | 0% | 0% | Calculate → |
| 2934.91.21 | Clotiazepam | 0% | 0% | Calculate → |
| 2934.91.22 | Cloxazolam | 10.8% | 0% | Calculate → |
| 2934.91.23 | Dextromoramida | 0% | 0% | Calculate → |
| 2934.91.29 | Outros | 0% | 0% | Calculate → |
| 2934.91.31 | Fendimetrazina e seus sais | 0% | 0% | Calculate → |
| 2934.91.32 | Fenmetrazina e seus sais | 0% | 0% | Calculate → |
| 2934.91.33 | Haloxazolam e seus sais | 0% | 0% | Calculate → |
| 2934.91.41 | Ketazolam | 12.6% | 0% | Calculate → |
| 2934.91.49 | Outros | 0% | 0% | Calculate → |
| 2934.91.50 | Oxazolam e seus sais | 0% | 0% | Calculate → |
| 2934.91.60 | Pemolina e seus sais | 0% | 0% | Calculate → |
| 2934.91.70 | Sufentanila e seus sais | 0% | 0% | Calculate → |
How to import NCM 2934.91.42 into Brazil
- Confirm with your customs broker — NCM 2934.91.42 must exactly match your product description. Misclassification leads to fines and seizure.
- Calculate total cost — base import duty is 0%, but Brazil adds IPI (0%), PIS/COFINS (11.75%), ICMS (17–20%), and AFRMM (8%) on top. Use our calculator for the exact total.
- Get import licenses — this chapter requires clearance from ANVISA, IBAMA, Exército. Apply before shipping.
- 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 2934.91.42
Enter CIF value and get a breakdown of all 7 Brazilian import taxes.