Brazil NCM · 8-digit subitem

NCM 2924.29.43 – Atenolol; metolachlor

NCM 2924.29.43 (also written 29242943) is Brazil's code for atenolol; metolachlor. Its first 6 digits are HS code 2924.29.

Official description of NCM 2924.29.43

PortuguêsOfficial
Atenolol; metolaclor
EnglishUnofficial translation

Atenolol; metolachlor

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

How to read NCM 2924.29.43

29Chapter 24Heading 29Subheading

HS code 2924.29
Same in every country

4Item 3Subitem

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 29.24 Carboxyamide-function compounds; amide-function compounds of carbonic acid Compostos de função carboxiamida; compostos de função amida do ácido carbônico.
  3. Group 2924.2 Cyclic amides (including cyclic carbamates) and their derivatives; salts thereof: Amidas (incluindo os carbamatos) cíclicas e seus derivados; sais destes produtos:
  4. Subheading 2924.29 Cyclic amides (including cyclic carbamates) and their derivatives; other than the derivatives and salts of ureines, 2-acetamidobenzoic acid (N-acetylanthancillic acid),ethinamate S, and alachlor (ISO) and their derivatives and salts Outros
  5. Item 2924.29.4 Acetamides and their derivatives Acetamidas e seus derivados
  6. Subitem 2924.29.43 Atenolol; metolachlor Atenolol; metolaclor

Other NCM codes under HS 2924.29

2924.29.11 AcetanilideAcetanilida 2924.29.12 4-Aminoacetanilide4-Aminoacetanilida 2924.29.13 Paracetamol (acetaminophen)Acetaminofen (paracetamol) 2924.29.14 Lidocaine and its hydrochlorideLidocaína e seu cloridrato 2924.29.15 2,5-Dimethoxyacetanilide2,5-Dimetoxiacetanilida 2924.29.19 Other acetanilide derivatives and their saltsOutros 2924.29.20 Hydroxynaphthoic acid anilides, derivatives, saltsAnilidas dos ácidos hidroxinaftoicos e seus derivados; sais destes produtos 2924.29.31 CarbarylCarbaril 2924.29.32 PropoxurPropoxur 2924.29.39 Other cyclic carbamatesOutros 2924.29.41 TeclozanTeclozam 2924.29.44 Ioxaglic acidÁcido ioxáglico 2924.29.45 IodamideIodamida 2924.29.46 p-Acetamidobenzenesulphonyl chlorideCloreto do ácido p-acetamidobenzenossulfônico 2924.29.47 Ioxitalamic acidÁcido ioxitalâmico 2924.29.49 Other cyclic acetamides and their derivativesOutros 2924.29.51 BromoprideBromoprida 2924.29.52 Metoclopramide and its hydrochlorideMetoclopramida e seu cloridrato 2924.29.59 Other methoxybenzamides, derivatives and saltsOutros 2924.29.61 PropanilPropanil 2924.29.62 FlutamideFlutamida 2924.29.63 Prilocaine and its hydrochloridePrilocaína e seu cloridrato 2924.29.64 IobitridolIobitridol 2924.29.69 Other propanamides, derivatives and saltsOutros 2924.29.91 AspartameAspartame 2924.29.92 DiflubenzuronDiflubenzurom 2924.29.93 MetalaxylMetalaxil 2924.29.94 TriflumuronTriflumurom 2924.29.95 BuclosamideBuclosamida 2924.29.96 Denatonium benzoateBenzoato de denatônio 2924.29.99 Other cyclic amides, their derivatives and saltsOutros

Questions about NCM 2924.29.43

What is NCM 2924.29.43?

NCM 2924.29.43 (29242943) is the Brazilian (Mercosur) code for atenolol; metolachlor. Its official Portuguese description is “Atenolol; metolaclor”.

What is the HS code for NCM 2924.29.43?

HS 2924.29 (Cyclic amides (including cyclic carbamates) and their derivatives; other than the derivatives and salts of ureines, 2-acetamidobenzoic acid (N-acetylanthancillic acid),ethinamate S, and alachlor (ISO) and their derivatives and salts). 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 2924.29.43?

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.