Sulfadoxine

Drug ingredient

CAS 2447-57-6

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US productionNot reported

Import value, 2024$2.0B

Top sourceIreland 63%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293590 · basket

These shares come from HS customs code 293590, which covers 182 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IE 63%IrelandSG 14%SingaporeIN 7%IndiaCN 7%ChinaCH 2%Switzerland

Portugal
Spain
Italy
Austria
Israel
Hungary
Canada
South Korea
Netherlands
Finland
Poland
Indonesia
Ukraine
Mexico
South Africa
Croatia
Greece
Taiwan
Hong Kong

1 FDA-registered drug labeler

ANUH PHARMA LIMITED

Why It Matters

Sectors

Health

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Vendor Pricing

$0.39/gA2B Chem LLC

CountryUnited States

Pack$195.00 / 500 g

Purity98%

Vendors23 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

22 more vendors

Vendor	Country	$/g	Pack	Purity
Combi-Blocks, Inc.	United States	$0.39	500 g	98%
AA BLOCKS	United States	$0.45	500 g	98%
AK Scientific Specialized	United States	$0.65	100 g	95%
Aaron Chemicals LLC	Hong Kong	$1.21	100 g	98%
Angene Chemical	China → Hong Kong	$1.31	100 g	98%
BLD Pharmatech Co., Limited	United States	$1.33	100 g	98%
BLD Pharmatech GmbH	Germany	$1.33	100 g	98%
BLD Pharmatech Ltd.	China	$1.33	100 g	98%
Ambeed, Inc.	United States	$1.33	100 g	98%
AK Scientific, Inc.	United States	$2.67	100 g	98%
Angene International Limited	United States	$4.45	100 g	98%
MedChemExpress MCE	Sweden	$8.11	10 g	98.83%
Cayman Europe	Estonia	$8.93	50 g	98%
AstaTech (2 weeks)	United States	$9.60	5 g	98%
MedKoo Biosciences, Inc	United States	$27.50	20 g	98%
TargetMol Chemicals EU	Austria	$58.00	500 mg	99.67%
Molnova	China	$74.00	500 mg	99%
Vitas M Chemical Limited	Hong Kong	$81.60	5 g	90%
Sigma-Aldrich (Rush Stock)	Germany	$250.36	250 mg	—
Sigma-Aldrich	Germany	$250.36	250 mg	—
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS2447-57-6

PubChem CID17134

DTXSIDDTXSID6023608

FormulaC12H14N4O4S

Mol. Weight310.33 g/mol

SMILESCOC1=C(N=CN=C1OC)NS(=O)(=O)C2=CC=C(C=C2)N

Data Sources

PubChem · compound 17134Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Health

Brief citations

Sulfadoxine (CAS 2447-57-6) https://chemicalindependence.com/chemical/2447-57-6/ PubChem: 17134. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/17134 FDA National Drug Code directory: CAS 2447-57-6. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293590 for CAS 2447-57-6. Reporting year: 2024. https://usatrade.census.gov/