Sao Tome and Principe HS Code

HS Code 293399: Heterocyclic compounds with nitrogen heteroatom(s) only : Other : Other in Sao Tome and Principe

Q: Is HS code 293399 the same across all countries?

Yes — up to the 6-digit level, HS code 293399 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 293399?

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 293399 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 293399 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 293399 is the WCO Harmonized System subheading for Heterocyclic compounds with nitrogen heteroatom(s) only : Other : Other. This is the most detailed internationally standardized level; Sao Tome and Principe extends classifications to 8 digits under its national tariff system. 293399 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2933: Heterocyclic compounds with nitrogen heteroatom(s) only.

Explore more 2026 Latest Sao Tome and Principe import export trade data and shipment records for HS Code Other Nitrogen Heterocyclic Compounds on TradeInt global trade data platform

Classification Path of HS Code 293399 in Sao Tome and Principe

Section VI

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

Chapter 29

Organic chemicals

HS Code 2933

Heterocyclic compounds with nitrogen heteroatom(s) only

HS Code 293399

Heterocyclic compounds with nitrogen heteroatom(s) only : Other : Other

HS Code 29339900

Compostos heterocíclicos exclusivamente de heteroátomo(s) de azoto (nitrogénio): Outros: Outros

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

In Sao Tome and Principe, HS 293399 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 Other Nitrogen Heterocyclic Compounds (293399)

HS Code 29339900

Compostos heterocíclicos exclusivamente de heteroátomo(s) de azoto (nitrogénio): Outros: Outros

HS Code 293311

Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure : Phenazone (antipyrin) and its derivatives

HS Code 293319

Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure : Other

HS Code 293321

Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure : Hydantoin and its derivatives

HS Code 293329

Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure : Other

HS Code 293331

Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Pyridine and its salts

HS Code 293332

Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Piperidine and its salts

HS Code 293333

Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN) and trimeperidine (INN); salts thereof

HS Code 293339

Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Other

HS Code 293341

Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing in the structure a quinoline or isoquinoline ringsystem (whether or not hydrogenated), not further fused : Levorphanol (INN) and its salts

Frequently Asked Questions

What is HS code 293399 in Sao Tome and Principe?

HS code 293399 covers Heterocyclic compounds with nitrogen heteroatom(s) only : Other : Other in Sao Tome and Principe. It sits in Chapter 29 (Organic chemicals), Heading 2933 of the Harmonized System, and is classified under HS-ST.

Is HS code 293399 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 293399?

Where can I officially look up HS code 293399 in Sao Tome and Principe?