Brazil NCM · 8-digit subitem

NCM 2933.91.51 – Mazindol

NCM 2933.91.51 (also written 29339151) is Brazil's code for mazindol. Its first 6 digits are HS code 2933.91.

Official description of NCM 2933.91.51

PortuguêsOfficial
Mazindol
EnglishUnofficial translation

Mazindol

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

How to read NCM 2933.91.51

29Chapter 33Heading 91Subheading

HS code 2933.91
Same in every country

5Item 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 29.33 Heterocyclic compounds with nitrogen hetero-atom(s) only Compostos heterocíclicos exclusivamente de heteroátomo(s) de nitrogênio (azoto).
  3. Group 2933.9 Other: Outros:
  4. Subheading 2933.91 Heterocyclic compounds; alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), (cont) Alprazolam (DCI), camazepam (DCI), clonazepam (DCI), clorazepato, clordiazepóxido (DCI), delorazepam (DCI), diazepam (DCI), estazolam (DCI), fludiazepam (DCI), flunitrazepam (DCI), flurazepam (DCI), halazepam (DCI), loflazepato de etila (DCI), lorazepam (DCI), lormetazepam (DCI), mazindol (DCI), medazepam (DCI), midazolam (DCI), nimetazepam (DCI), nitrazepam (DCI), nordazepam (DCI), oxazepam (DCI), pinazepam (DCI), pirovalerona (DCI), prazepam (DCI), temazepam (DCI), tetrazepam (DCI) e triazolam (DCI); sais destes produtos
  5. Item 2933.91.5 Mazindol, medazepam and midazolam; salts thereof Mazindol, medazepam e midazolam; sais destes produtos
  6. Subitem 2933.91.51 Mazindol Mazindol

Other NCM codes under HS 2933.91

2933.91.11 AlprazolamAlprazolam 2933.91.12 CamazepamCamazepam 2933.91.13 ClonazepamClonazepam 2933.91.14 ClorazepateClorazepato 2933.91.15 ChlordiazepoxideClordiazepóxido 2933.91.19 Salts of alprazolam, camazepam, clonazepam etcOutros 2933.91.21 DelorazepamDelorazepam 2933.91.22 DiazepamDiazepam 2933.91.23 EstazolamEstazolam 2933.91.29 Salts of delorazepam, diazepam and estazolamOutros 2933.91.31 FludiazepamFludiazepam 2933.91.32 FlunitrazepamFlunitrazepam 2933.91.33 FlurazepamFlurazepam 2933.91.34 HalazepamHalazepam 2933.91.39 Salts of fludiazepam, flunitrazepam etcOutros 2933.91.41 Ethyl loflazepateLoflazepato de etila 2933.91.42 LorazepamLorazepam 2933.91.43 LormetazepamLormetazepam 2933.91.49 Ethyl loflazepate, lorazepam, lormetazepam saltsOutros 2933.91.52 MedazepamMedazepam 2933.91.53 Midazolam and its saltsMidazolam e seus sais 2933.91.59 Salts of mazindol and medazepamOutros 2933.91.61 NimetazepamNimetazepam 2933.91.62 NitrazepamNitrazepam 2933.91.63 NordazepamNordazepam 2933.91.64 OxazepamOxazepam 2933.91.69 Nimetazepam/nitrazepam/nordazepam/oxazepam saltsOutros 2933.91.71 PinazepamPinazepam 2933.91.72 PyrovaleronePirovalerona 2933.91.73 PrazepamPrazepam 2933.91.79 Salts of pinazepam, pyrovalerone and prazepamOutros 2933.91.81 TemazepamTemazepam 2933.91.82 TetrazepamTetrazepam 2933.91.83 TriazolamTriazolam 2933.91.89 Salts of temazepam, tetrazepam and triazolamOutros

Questions about NCM 2933.91.51

What is NCM 2933.91.51?

NCM 2933.91.51 (29339151) is the Brazilian (Mercosur) code for mazindol. Its official Portuguese description is “Mazindol”.

What is the HS code for NCM 2933.91.51?

HS 2933.91 (Heterocyclic compounds; alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), (cont)). 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 2933.91.51?

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.