Sao Tome and Principe HS Code

HS Code 293951: Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Theophylline and aminophylline (theophyllineethylenediamine) and their derivatives; salts thereof : Fenetylline (INN) and its salts in Sao Tome and Principe

Q: Is HS code 293951 the same across all countries?

Yes — up to the 6-digit level, HS code 293951 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 293951?

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 293951 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 293951 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 293951 is the WCO Harmonized System subheading for Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Theophylline and aminophylline (theophyllineethylenediamine) and their derivatives; salts thereof : Fenetylline (INN) and its salts. This is the most detailed internationally standardized level; Sao Tome and Principe extends classifications to 8 digits under its national tariff system. 293951 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2939: Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives.

Explore more 2026 Latest Sao Tome and Principe import export trade data and shipment records for HS Code Theophylline and Fenetylline on TradeInt global trade data platform

Classification Path of HS Code 293951 in Sao Tome and Principe

Section VI

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

Chapter 29

Organic chemicals

HS Code 2939

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives

HS Code 293951

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Theophylline and aminophylline (theophyllineethylenediamine) and their derivatives; salts thereof : Fenetylline (INN) and its salts

HS Code 29395100

Alcaloides, naturais ou reproduzidos por síntese, seus sais, éteres, ésteres e outros derivados: Teofilina e aminofilina (teofilina etilenodiamina) e seus derivados; sais destes produtos: Fenetilina (DCI) e seus sais

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

In Sao Tome and Principe, HS 293951 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 Theophylline and Fenetylline (293951)

HS Code 29395100

HS Code 293911

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Alkaloids of opium and their derivatives; salts thereof : Concentrates of poppy straw; buprenorphine (INN), codeine, dihydrocodeine (INN), ethylmorphine, etorphine (INN), heroin, hydrocodone (INN), hydromorphone (INN), morphine, nicomorphine (INN), oxycodone (INN), oxymorphone (INN), pholcodine (INN), thebacon (INN) and thebaine; salts thereof

HS Code 293919

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Alkaloids of opium and their derivatives; salts thereof : Other

HS Code 293920

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Alkaloids of cinchona and their derivatives; salts thereof

HS Code 293930

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Caffeine and its salts

HS Code 293941

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Ephedrines and their salts : Ephedrine and its salts

HS Code 293942

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Ephedrines and their salts : Pseudoephedrine (INN) and its salts

HS Code 293943

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Ephedrines and their salts : Cathine (INN) and its salts

HS Code 293944

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Ephedrines and their salts : Norephedrine and its salts

HS Code 293949

Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Ephedrines and their salts : Other

Frequently Asked Questions

What is HS code 293951 in Sao Tome and Principe?

HS code 293951 covers Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives : Theophylline and aminophylline (theophyllineethylenediamine) and their derivatives; salts thereof : Fenetylline (INN) and its salts in Sao Tome and Principe. It sits in Chapter 29 (Organic chemicals), Heading 2939 of the Harmonized System, and is classified under HS-ST.

Is HS code 293951 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 293951?

Where can I officially look up HS code 293951 in Sao Tome and Principe?