NCM 2937.23.51
Steroidal hormones, their derivatives and structural analogues; oestrogens and progestogens
Brazil import duty rates — Updated May 2026
NCM 2937.23.51 is the Brazilian tariff code for steroidal hormones, their derivatives and structural analogues; oestrogens and progestogens. This code carries 10.8% import duty (II) and 0% IPI. EU-origin products in this category benefit from the EU-Mercosur trade agreement. This is one of 16 NCM codes under HS heading 2937.23.
Classification hierarchy
Official Brazilian text: Alilestrenol
Tax breakdown for NCM 2937.23.51
Taxes are cascading — each applies on a different base. Use the calculator for the exact total.
Trade overview — HS 2937.23
UN Comtrade 2024Brazil imported $78.5M of products under HS heading 2937.23 in 2024. Top suppliers:
Trade data is at the 6-digit HS level. See full HS 2937.23 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 2937.23
| NCM | Description (PT — official) | II | IPI | |
|---|---|---|---|---|
| 2937.23.10 | Medroxiprogesterona e seus derivados | 0% | 0% | Calculate → |
| 2937.23.21 | L-Norgestrel (levonorgestrel) | 0% | 0% | Calculate → |
| 2937.23.22 | DL-Norgestrel | 0% | 0% | Calculate → |
| 2937.23.29 | Outros | 0% | 0% | Calculate → |
| 2937.23.31 | Estriol e seu succinato | 10.8% | 0% | Calculate → |
| 2937.23.39 | Outros | 0% | 0% | Calculate → |
| 2937.23.41 | Hemissuccinato de estradiol | 12.6% | 0% | Calculate → |
| 2937.23.42 | Fempropionato de estradiol (17-(3-fenilpropionato) de estradiol) | 12.6% | 0% | Calculate → |
| 2937.23.49 | Outros | 0% | 0% | Calculate → |
| 2937.23.59 | Outros | 0% | 0% | Calculate → |
| 2937.23.60 | Desogestrel | 10.8% | 0% | Calculate → |
| 2937.23.70 | Linestrenol | 10.8% | 0% | Calculate → |
| 2937.23.91 | Acetato de etinodiol | 0% | 0% | Calculate → |
| 2937.23.92 | Gestodeno | 12.6% | 0% | Calculate → |
| 2937.23.99 | Outros | 0% | 0% | Calculate → |
How to import NCM 2937.23.51 into Brazil
- Confirm with your customs broker — NCM 2937.23.51 must exactly match your product description. Misclassification leads to fines and seizure.
- Calculate total cost — base import duty is 10.8%, 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 2937.23.51
Enter CIF value and get a breakdown of all 7 Brazilian import taxes.