Brazil NCM · 8-digit subitem

NCM 2933.29.12 – Metronidazole and its salts

NCM 2933.29.12 (also written 29332912) is Brazil's code for metronidazole and its salts. Its first 6 digits are HS code 2933.29.

Official description of NCM 2933.29.12

PortuguêsOfficial
Metronidazol e seus sais
EnglishUnofficial translation

Metronidazole and its salts

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

How to read NCM 2933.29.12

29Chapter 33Heading 29Subheading

HS code 2933.29
Same in every country

1Item 2Subitem

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 29.33 Heterocyclic compounds with nitrogen hetero-atom(s) only Compostos heterocíclicos exclusivamente de heteroátomo(s) de nitrogênio (azoto).
  3. Group 2933.2 Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Compostos cuja estrutura contém um ciclo imidazol (hidrogenado ou não) não condensado:
  4. Subheading 2933.29 Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives Outros
  5. Item 2933.29.1 Containing a nitroimidazole ring in the structure Cuja estrutura contém um ciclo nitroimidazol
  6. Subitem 2933.29.12 Metronidazole and its salts Metronidazol e seus sais

Other NCM codes under HS 2933.29

2933.29.11 2-Methyl-5-nitroimidazole2-Metil-5-nitroimidazol 2933.29.13 TinidazoleTinidazol 2933.29.19 Other nitroimidazole ring compoundsOutros 2933.29.21 Econazole and its nitrateEconazol e seu nitrato 2933.29.22 Miconazole nitrateNitrato de miconazol 2933.29.23 Clonidine hydrochlorideCloridrato de clonidina 2933.29.24 Isoconazole nitrateNitrato de isoconazol 2933.29.25 ClotrimazoleClotrimazol 2933.29.29 Other imidazoles with chlorinated benzene ringOutros 2933.29.30 Cimetidine and its saltsCimetidina e seus sais 2933.29.40 4-Methyl-5-hydroxymethylimidazole and its salts4-Metil-5-hidroximetilimidazol e seus sais 2933.29.91 ImidazoleImidazol 2933.29.92 Histidine and its saltsHistidina e seus sais 2933.29.93 Ondansetron and its saltsOndansetron e seus sais 2933.29.94 1-Hydroxyethyl-2-undecanoylimidazoline1-Hidroxietil-2-undecanoilimidazolina 2933.29.95 1-Hydroxyethyl-2-(8-heptadecenoyl)imidazoline1-Hidroxietil-2-(8-heptadecenoil)imidazolina 2933.29.99 Other unfused imidazole ring compoundsOutros

Questions about NCM 2933.29.12

What is NCM 2933.29.12?

NCM 2933.29.12 (29332912) is the Brazilian (Mercosur) code for metronidazole and its salts. Its official Portuguese description is “Metronidazol e seus sais”.

What is the HS code for NCM 2933.29.12?

HS 2933.29 (Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives). 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 2933.29.12?

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.