Brazil NCM · 8-digit subitem

NCM 2939.80.10 – Saxitoxin

NCM 2939.80.10 (also written 29398010) is Brazil's code for saxitoxin. Its first 6 digits are HS code 2939.80.

Official description of NCM 2939.80.10

PortuguêsOfficial
Saxitoxina
EnglishUnofficial translation

Saxitoxin

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2024 (Res Gecex 547/2023).

How to read NCM 2939.80.10

29Chapter 39Heading 80Subheading

HS code 2939.80
Same in every country

1Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 29 Organic chemicals Produtos químicos orgânicos.
  2. Heading 29.39 Alkaloids; natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives Alcaloides, naturais ou reproduzidos por síntese, seus sais, éteres, ésteres e outros derivados.
  3. Subheading 2939.80 Alkaloids; natural or reproduced by synthesis, and their salts, esters and other derivatives n.e.c. in heading no. 2939 Outros
  4. Subitem 2939.80.10 Saxitoxin Saxitoxina

Other NCM codes under HS 2939.80

2939.80.90 Other alkaloids not of vegetal originOutros

Questions about NCM 2939.80.10

What is NCM 2939.80.10?

NCM 2939.80.10 (29398010) is the Brazilian (Mercosur) code for saxitoxin. Its official Portuguese description is “Saxitoxina”.

What is the HS code for NCM 2939.80.10?

HS 2939.80 (Alkaloids; natural or reproduced by synthesis, and their salts, esters and other derivatives n.e.c. in heading no. 2939). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 2939.80.10?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.