Brazil NCM · 8-digit subitem

NCM 2941.10.41 – Penicillin G potassium

NCM 2941.10.41 (also written 29411041) is Brazil's code for penicillin G potassium. Its first 6 digits are HS code 2941.10.

Official description of NCM 2941.10.41

PortuguêsOfficial
Penicilina G potássica
EnglishUnofficial translation

Penicillin G potassium

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 2941.10.41

29Chapter 41Heading 10Subheading

HS code 2941.10
Same in every country

4Item 1Subitem

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 29.41 Antibiotics Antibióticos.
  3. Subheading 2941.10 Antibiotics; penicillins and their derivatives with a penicillanic acid structure; salts thereof Penicilinas e seus derivados, com a estrutura do ácido penicilânico; sais destes produtos
  4. Item 2941.10.4 Penicillin G and its derivatives; salts thereof Penicilina G e seus derivados; sais destes produtos
  5. Subitem 2941.10.41 Penicillin G potassium Penicilina G potássica

Other NCM codes under HS 2941.10

2941.10.10 Ampicillin and its saltsAmpicilina e seus sais 2941.10.20 Amoxicillin and its saltsAmoxicilina e seus sais 2941.10.31 Penicillin V potassiumPenicilina V potássica 2941.10.39 Penicillin V; other derivatives and saltsOutros 2941.10.42 Penicillin G benzathinePenicilina G benzatínica 2941.10.43 Penicillin G procainePenicilina G procaínica 2941.10.49 Penicillin G; other derivatives and saltsOutros 2941.10.90 Other penicillins and their derivativesOutros

Questions about NCM 2941.10.41

What is NCM 2941.10.41?

NCM 2941.10.41 (29411041) is the Brazilian (Mercosur) code for penicillin G potassium. Its official Portuguese description is “Penicilina G potássica”.

What is the HS code for NCM 2941.10.41?

HS 2941.10 (Antibiotics; penicillins and their derivatives with a penicillanic acid structure; salts thereof). 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 2941.10.41?

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.