tranilast

Drug ingredient

CAS 53902-12-8

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

US productionNot reported

Import value, 2024$872M

Top sourceSwitzerland 44%

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 292429 · basket

These shares come from HS customs code 292429, which covers 203 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 44%SwitzerlandCN 19%ChinaIN 12%IndiaJP 9%JapanIE 6%Ireland

Taiwan
United Kingdom
El Salvador
Colombia
Ukraine
Brazil
Guatemala
Belgium
Netherlands
Turkey
Sweden
Greece
Canada
Israel
New Zealand
Latvia
Lithuania
Finland
Slovakia
Australia
Hong Kong
Czech Republic
Armenia
Poland

1 FDA-registered drug labeler

DARMERICA, LLC

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

$35.00/gFulfilled by Molport

CountryLatvia

Pack$3.50 / 100 mg

Purity99%

Vendors5 available

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

4 more vendors

Vendor	Country	$/g	Pack	Purity
TargetMol Chemicals	China → United States	$626.00	500 mg	99.99%
TargetMol Chemicals EU	Austria	$925.00	200 mg	99.99%
AA BLOCKS (1 week)	United States	$925.00	1 g	97%
Apexbio Technology LLC	United States	$1000.00	100 mg	99.88%

Chemical Identity

CAS53902-12-8

PubChem CID5282230

DTXSIDDTXSID7023693

FormulaC18H17NO5

Mol. Weight327.3 g/mol

SMILESCOC1=C(C=C(C=C1)C=CC(=O)NC2=CC=CC=C2C(=O)O)OC

Data Sources

PubChem · compound 5282230Retrieved 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

tranilast (CAS 53902-12-8) https://chemicalindependence.com/chemical/53902-12-8/ PubChem: 5282230. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5282230 FDA National Drug Code directory: CAS 53902-12-8. 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 292429 for CAS 53902-12-8. Reporting year: 2024. https://usatrade.census.gov/