Brazil NCM · 8-digit code

NCM 2933.37.00 – N-Phenethyl-4-piperidone (NPP)

NCM 2933.37.00 (also written 29333700) is Brazil's code for n-Phenethyl-4-piperidone (NPP). Its first 6 digits are HS code 2933.37.

Official description of NCM 2933.37.00

PortuguêsOfficial
N-Fenetil-4-piperidona (NPP)
EnglishUnofficial translation

Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP)

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

How to read NCM 2933.37.00

29Chapter 33Heading 37Subheading

HS code 2933.37
Same in every country

0Item 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. The last two digits are 00 because Brazil does not split this HS code further. 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 2933.3 Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Compostos cuja estrutura contém um ciclo piridina (hidrogenado ou não) não condensado:
  4. Subheading 2933.37 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP)
  5. Subitem 2933.37.00 Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP) N-Fenetil-4-piperidona (NPP)

Questions about NCM 2933.37.00

What is NCM 2933.37.00?

NCM 2933.37.00 (29333700) is the Brazilian (Mercosur) code for n-Phenethyl-4-piperidone (NPP). Its official Portuguese description is “N-Fenetil-4-piperidona (NPP)”.

What is the HS code for NCM 2933.37.00?

HS 2933.37 (Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP)). 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 2933.37.00?

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.