HS code · 6-digit subheading
HS Code 2933.54 – Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other derivatives of malonylurea (barbituric acid) and salts thereof, n.e.c. in 2933.53
HS code 2933.54 is the 6-digit subheading for heterocyclic compounds, containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other derivatives of malonylurea (barbituric acid) and salts thereof, n.e.c. in 2933.53. It is used for barbituric acid, pyrimidine, piperazine, 5,5-Diethylbarbituric acid and 2-Aminopyrimidine.
What HS 2933.54 covers
This HS code encompasses a specific group of heterocyclic compounds, primarily those containing a pyrimidine or piperazine ring, and derivatives of malonylurea (barbituric acid) and their salts, not specified elsewhere. These chemicals are crucial building blocks and intermediates in the pharmaceutical industry, particularly for synthesizing drugs with various therapeutic applications, including sedatives, hypnotics, and antiepileptics. International trade in these compounds is driven by pharmaceutical manufacturers, specialty chemical producers, and research institutions globally. Key considerations for trade include stringent quality control, purity standards, and compliance with chemical safety regulations, as many are precursors to controlled substances or active pharmaceutical ingredients. The market is influenced by drug development pipelines and the demand for generic drug production.
- Covers
- Barbituric acid
- Pyrimidine
- Piperazine
- 5,5-Diethylbarbituric acid
- 2-Aminopyrimidine
- N-Methylpiperazine
- Malonylurea derivatives
- Examples
- Phenobarbital (as a derivative)
- specific intermediates from BASF
- Sigma-Aldrich research chemicals
- TCI Chemicals pyrimidine derivatives
Codes often confused with 2933.54
Common mistake. This code can be confused with 2933.59 (other pyrimidine or piperazine compounds) or 2933.53 (specific malonylurea derivatives), depending on the exact chemical structure and whether it's explicitly listed elsewhere.
Top exporters and importers of HS code 293354, 2025
In 2025, the largest exporter of HS code 293354 in UN Comtrade data was Singapore, with 42% of world exports; the largest importer in UN Comtrade data was Japan, with 59% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Top exporters 2025 · share of world exports
- 1 Singapore $3.9M 42% of world exports
- 2 Germany $1.7M 18% of world exports
- 3 India $1.6M 18% of world exports
World total: $9.3M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Japan $14M 59% of world imports
- 2 United States $4.8M 21% of world imports
- 3 Germany $1.5M 6.4% of world imports
World total: $23M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for 2933.54
Brazil does not split HS 2933.54: its NCM code is 2933.54.00.
All Brazil NCM codes in heading 29.33 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 2933.54
What is HS code 293354?
HS code 293354 is a 6-digit subheading in the Harmonized System that covers: Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other derivatives of malonylurea (barbituric acid) and salts thereof, n.e.c. in 2933.53. This HS code encompasses a specific group of heterocyclic compounds, primarily those containing a pyrimidine or piperazine ring, and derivatives of malonylurea (barbituric acid) and their salts, not specified elsewhere. These chemicals are crucial building blocks and intermediates in the pharmaceutical industry, particularly for synthesizing drugs with various therapeutic applications, including sedatives, hypnotics, and antiepileptics. International trade in these compounds is driven by pharmaceutical manufacturers, specialty chemical producers, and research institutions globally. Key considerations for trade include stringent quality control, purity standards, and compliance with chemical safety regulations, as many are precursors to controlled substances or active pharmaceutical ingredients. The market is influenced by drug development pipelines and the demand for generic drug production.
What products fall under HS code 293354?
Barbituric acid, Pyrimidine, Piperazine, 5,5-Diethylbarbituric acid, 2-Aminopyrimidine, N-Methylpiperazine, Malonylurea derivatives
What are common misclassifications for HS code 293354?
This code can be confused with 2933.59 (other pyrimidine or piperazine compounds) or 2933.53 (specific malonylurea derivatives), depending on the exact chemical structure and whether it's explicitly listed elsewhere.
Which countries are the top exporters of goods under HS code 293354?
In 2025, the top exporters of HS code 293354 in UN Comtrade data were Singapore ($3.9M, 42% of world exports), Germany ($1.7M) and India ($1.6M). World exports came to about $9.3M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of goods under HS code 293354?
In 2025, the top importers of HS code 293354 in UN Comtrade data were Japan ($14M, 59% of world imports), the United States ($4.8M) and Germany ($1.5M). World imports came to about $23M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
How is HS code 293354 structured?
HS code 293354 is a 6-digit subheading under the Harmonized System. The first 2 digits (29) identify the chapter, digits 3-4 (33) identify the heading, and digits 5-6 (54) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 293354?
In Brazil, HS code 293354 is NCM 2933.54.00. The last two digits are 00 because Brazil does not split this HS code further.