Bufexamac

Drug ingredient

CAS 2438-72-4

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

US productionNot reported

Import value, 2024$191M

Top sourceSwitzerland 35%

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 292800 · basket

These shares come from HS customs code 292800, which covers 112 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).

CH 35%SwitzerlandIT 28%ItalyCN 12%ChinaIN 6%IndiaJP 6%Japan

Canada
Spain
Mexico
Netherlands
Poland
Malta
Norway
Ukraine
Belgium
Israel
Czech Republic
Austria
Indonesia
United Arab Emirates
Brazil
Lithuania

1 FDA-registered drug labeler

Olon S.p.A.

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

$0.99/gAaron Chemicals LLC

CountryHong Kong

Pack$494.00 / 500 g

Purity98%

Vendors21 available

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

20 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$1.06	500 g	98%
A2B Chem LLC	United States	$1.70	100 g	98%
Combi-Blocks, Inc.	United States	$2.05	100 g	98%
AA BLOCKS	United States	$2.21	100 g	98%
AK Scientific, Inc.	United States	$4.40	25 g	98%
Angene International Limited	United States	$8.20	25 g	98%
Ambeed, Inc.	United States	$20.00	1 g	98%
MedChemExpress MCE	Sweden	$37.51	5 g	98%
TargetMol Chemicals	China → United States	$75.00	1 g	99.73%
CliniSciences GmbH	Switzerland	$79.98	1 g	99%
MedKoo Biosciences, Inc	United States	$90.00	5 g	98%
Molnova	China	$156.00	500 mg	99%
TargetMol Chemicals EU	Austria	$190.00	200 mg	99.73%
AstaTech (2 weeks)	United States	$362.80	5 g	98%
Labotest KG	Germany	$453.00	1000 mg	90%
AK Scientific Specialized	United States	$630.00	100 mg	98%
Apexbio Technology LLC	United States	$1100.00	50 mg	99.89%
Cayman Europe	Estonia	$1161.44	250 mg	98%
Angene	China → Hong Kong	$4266.67	30 mg	98%
Key Organics Ltd.	United Kingdom	$6900.00	10 mg	97%

Chemical Identity

CAS2438-72-4

PubChem CID2466

DTXSIDDTXSID7045368

FormulaC12H17NO3

Mol. Weight223.27 g/mol

SMILESCCCCOC1=CC=C(C=C1)CC(=O)NO

Data Sources

PubChem · compound 2466Retrieved 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

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Brief citations

Bufexamac (CAS 2438-72-4) https://chemicalindependence.com/chemical/2438-72-4/ PubChem: 2466. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/2466 FDA National Drug Code directory: CAS 2438-72-4. 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 292800 for CAS 2438-72-4. Reporting year: 2024. https://usatrade.census.gov/