Brazil NCM · 8-digit subitem

NCM 2941.90.36 – Cefoxitin and its salts

NCM 2941.90.36 (also written 29419036) is Brazil's code for cefoxitin and its salts. Its first 6 digits are HS code 2941.90.

Official description of NCM 2941.90.36

PortuguêsOfficial
Cefoxitina e seus sais
EnglishUnofficial translation

Cefoxitin and its salts

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

How to read NCM 2941.90.36

29Chapter 41Heading 90Subheading

HS code 2941.90
Same in every country

3Item 6Subitem

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 2941.90 Antibiotics; n.e.c. in heading no. 2941 Outros
  4. Item 2941.90.3 Cephalosporins and cephamycins, and their derivatives; salts thereof Cefalosporinas e cefamicinas, e seus derivados; sais destes produtos
  5. Subitem 2941.90.36 Cefoxitin and its salts Cefoxitina e seus sais

Other NCM codes under HS 2941.90

2941.90.11 Rifamycin SRifamicina S 2941.90.12 Rifampicin (rifamycin AMP)Rifampicina (rifamicina AMP) 2941.90.13 Rifamycin SV sodiumRifamicina SV sódica 2941.90.19 Other rifamycins and derivativesOutros 2941.90.21 Lincomycin hydrochlorideCloridrato de lincomicina 2941.90.22 Clindamycin phosphateFosfato de clindamicina 2941.90.29 Lincomycin; other derivatives and saltsOutros 2941.90.31 Ceftriaxone and its saltsCeftriaxona e seus sais 2941.90.32 Cefoperazone and its salts; cefazolin sodiumCefoperazona e seus sais, cefazolina sódica 2941.90.33 Cefaclor, cefalexin monohydrates; cefalotin sodiumCefaclor e cefalexina monoidratados, cefalotina sódica 2941.90.34 Cefadroxil and its saltsCefadroxil e seus sais 2941.90.35 Cefotaxime sodiumCefotaxima sódica 2941.90.37 Cephalosporin CCefalosporina C 2941.90.39 Other cephalosporins and cephamycinsOutros 2941.90.41 Neomycin sulphateSulfato de neomicina 2941.90.42 Gentamicin embonate (gentamicin pamoate)Embonato de gentamicina (pamoato de gentamicina) 2941.90.43 Gentamicin sulphateSulfato de gentamicina 2941.90.49 Other aminoglycosides and their saltsOutros 2941.90.51 Spiramycin embonate (spiramycin pamoate)Embonato de espiramicina (pamoato de espiramicina) 2941.90.59 Other macrolide antibiotics and their saltsOutros 2941.90.61 Nystatin and its saltsNistatina e seus sais 2941.90.62 Amphotericin B and its saltsAnfotericina B e seus sais 2941.90.69 Other polyene antibiotics and their saltsOutros 2941.90.71 Monensin sodiumMonensina sódica 2941.90.72 NarasinNarasina 2941.90.73 AvilamycinsAvilamicinas 2941.90.79 Other polyether antibiotics and their saltsOutros 2941.90.81 Polymyxins and salts, other than colistin sulphatePolimixinas e seus sais, exceto sulfato de colistina 2941.90.82 Colistin sulphateSulfato de colistina 2941.90.83 Virginiamycins and their saltsVirginiamicinas e seus sais 2941.90.89 Other polypeptide antibiotics and saltsOutros 2941.90.91 Griseofulvin and its saltsGriseofulvina e seus sais 2941.90.92 Tiamulin fumarateFumarato de tiamulina 2941.90.99 Other antibioticsOutros

Questions about NCM 2941.90.36

What is NCM 2941.90.36?

NCM 2941.90.36 (29419036) is the Brazilian (Mercosur) code for cefoxitin and its salts. Its official Portuguese description is “Cefoxitina e seus sais”.

What is the HS code for NCM 2941.90.36?

HS 2941.90 (Antibiotics; n.e.c. in heading no. 2941). 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 2941.90.36?

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.