HS 2934.91: Heterocyclic compounds; other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3
Brazil import duty rates — Updated May 2026
HS 2934.91 covers heterocyclic compounds; other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3 under Brazil's NCM classification. This heading maps to 15 Brazilian NCM codes with import duty (II) ranging from 0%–12.6%. Under the EU-Mercosur agreement, EU-origin products in this category benefit from progressive tariff reduction. In 2024, Brazil imported $68K worth of these products, with India as the leading supplier.
Regulatory agencies
Products under this heading may require pre-approval before customs clearance. Learn more
EU-Mercosur impact
Gradual tariff elimination over 7-10 years. Pharmaceutical intermediates benefit significantly.
Brazil imports — 2024
Source: UN ComtradeTop exporters to Brazil
CIF values in USD. Percentage = share of Brazil's total imports for this HS heading.
NCM codes under HS 2934.91
| NCM Code | Description (PT — official) | II | IPI | Ex-Tarif. | |
|---|---|---|---|---|---|
| 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 → |
| 2934.91.42 | Mesocarbo | 0% | 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 heterocyclic compounds; other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3 into Brazil
- Confirm the NCM code — the table above shows 15 NCM codes under HS 2934.91. Your Brazilian customs broker will determine the exact 8-digit NCM.
- Check the import duty — rates for this heading range from 0%–12.6%. This is the base rate before other taxes.
- Calculate the full landed cost — Brazil charges 7 cascading taxes on imports: II, IPI, PIS, COFINS, ICMS, AFRMM, and Siscomex fee.
- Verify regulatory requirements — check if ANVISA, INMETRO, MAPA, or other agencies require pre-clearance for your product.
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.
Calculate your landed cost
Enter CIF value and get a breakdown of all 7 Brazilian import taxes for HS 2934.91.