Brazil NCM · 8-digit subitem

NCM 3507.90.31 – Lysozyme and its hydrochloride

NCM 3507.90.31 (also written 35079031) is Brazil's code for lysozyme and its hydrochloride. Its first 6 digits are HS code 3507.90.

Official description of NCM 3507.90.31

PortuguêsOfficial
Lisozima e seu cloridrato
EnglishUnofficial translation

Lysozyme and its hydrochloride

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

How to read NCM 3507.90.31

35Chapter 07Heading 90Subheading

HS code 3507.90
Same in every country

3Item 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 35 Albuminoidal substances; modified starches; glues; enzymes Matérias albuminoides; produtos à base de amidos ou de féculas modificados; colas; enzimas.
  2. Heading 35.07 Enzymes; prepared enzymes not elsewhere specified or included Enzimas; enzimas preparadas não especificadas nem compreendidas noutras posições.
  3. Subheading 3507.90 Enzymes and prepared enzymes; other than rennet and concentrates thereof Outras
  4. Item 3507.90.3 Other enzymes and their concentrates Outras enzimas e seus concentrados
  5. Subitem 3507.90.31 Lysozyme and its hydrochloride Lisozima e seu cloridrato

Other NCM codes under HS 3507.90

Questions about NCM 3507.90.31

What is NCM 3507.90.31?

NCM 3507.90.31 (35079031) is the Brazilian (Mercosur) code for lysozyme and its hydrochloride. Its official Portuguese description is “Lisozima e seu cloridrato”.

What is the HS code for NCM 3507.90.31?

HS 3507.90 (Enzymes and prepared enzymes; other than rennet and concentrates 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 3507.90.31?

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.