Sao Tome and Principe HS Code

HS Code 292231: Oxygenfunction aminocompounds : Aminoaldehydes, aminoketones and aminoquinones, other than those containing more than one kind of oxygen function; salts thereof : Amfepramone (INN), methadone (INN) and normethadone (INN); salts thereof in Sao Tome and Principe

Q: Is HS code 292231 the same across all countries?

Yes — up to the 6-digit level, HS code 292231 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Sao Tome and Principe extends it under HS-ST.

Q: What system does Sao Tome and Principe use to classify HS code 292231?

Sao Tome and Principe classifies products under the Pauta Aduaneira (HS-ST; locally Pauta Aduaneira), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 292231 in Sao Tome and Principe?

The official source is https://www.alfandegas.gov.st/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 292231 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 292231 is the WCO Harmonized System subheading for Oxygenfunction aminocompounds : Aminoaldehydes, aminoketones and aminoquinones, other than those containing more than one kind of oxygen function; salts thereof : Amfepramone (INN), methadone (INN) and normethadone (INN); salts thereof. This is the most detailed internationally standardized level; Sao Tome and Principe extends classifications to 8 digits under its national tariff system. 292231 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2922: Oxygenfunction aminocompounds.

Explore more 2026 Latest Sao Tome and Principe import export trade data and shipment records for HS Code Amino-Aldehydes and Amino-Ketones on TradeInt global trade data platform

Classification Path of HS Code 292231 in Sao Tome and Principe

Section VI

Chapters (28-38) Products of the chemical or allied industries

Chapter 29

Organic chemicals

HS Code 2922

Oxygenfunction aminocompounds

HS Code 292231

Oxygenfunction aminocompounds : Aminoaldehydes, aminoketones and aminoquinones, other than those containing more than one kind of oxygen function; salts thereof : Amfepramone (INN), methadone (INN) and normethadone (INN); salts thereof

HS Code 29223100

Compostos aminados de funções oxigenadas: Aminoaldeídos, aminocetonas e aminoquinonas, exceto de funções oxigenadas diferentes; sais destes produtos: Anfepramona (DCI), metadona (DCI) e normetadona (DCI); sais destes produtos

Sao Tome and Principe Tariff Classification: Pauta Aduaneira (HS-ST)

In Sao Tome and Principe, HS 292231 is classified under the Pauta Aduaneira (Pauta Aduaneira) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Pauta Aduaneira (HS-ST)

Local name Pauta Aduaneira

Digits 8

Official source https://www.alfandegas.gov.st/

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Related HS Code to Sao Tome and Principe Amino-Aldehydes and Amino-Ketones (292231)

HS Code 29223100

HS Code 292211

Oxygenfunction aminocompounds : Aminoalcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : Monoethanolamine and its salts

HS Code 292212

Oxygenfunction aminocompounds : Aminoalcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : Diethanolamine and its salts

HS Code 292214

Oxygenfunction aminocompounds : Aminoalcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : Dextropropoxyphene (INN) and its salts

HS Code 292215

Oxygenfunction aminocompounds : Aminoalcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : Triethanolamine

HS Code 292216

Oxygenfunction aminocompounds : Aminoalcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : Diethanolammonium perfluorooctane sulphonate

HS Code 292217

Oxygenfunction aminocompounds : Aminoalcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : Methyldiethanolamine and ethyldiethanolamine

HS Code 292218

Oxygenfunction aminocompounds : Aminoalcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : 2(N,NDiisopropylamino)ethanol

HS Code 292219

Oxygenfunction aminocompounds : Aminoalcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : Other

HS Code 292221

Oxygenfunction aminocompounds : Aminonaphthols and other aminophenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof : Aminohydroxynaphthalenesulphonic acids and their salts

Frequently Asked Questions

What is HS code 292231 in Sao Tome and Principe?

HS code 292231 covers Oxygenfunction aminocompounds : Aminoaldehydes, aminoketones and aminoquinones, other than those containing more than one kind of oxygen function; salts thereof : Amfepramone (INN), methadone (INN) and normethadone (INN); salts thereof in Sao Tome and Principe. It sits in Chapter 29 (Organic chemicals), Heading 2922 of the Harmonized System, and is classified under HS-ST.

Is HS code 292231 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 292231?

Where can I officially look up HS code 292231 in Sao Tome and Principe?