tapinarof

Drug ingredient

CAS 79338-84-4

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

US productionNot reported

Import value, 2024$72M

Top sourceIndia 30%

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 290729 · basket

These shares come from HS customs code 290729, which covers 82 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).

IN 30%IndiaDE 19%GermanyCN 16%ChinaJP 11%JapanIT 7%Italy

Austria
United Kingdom
Denmark
Canada
Colombia
New Zealand
Poland
Netherlands
Ukraine

7 FDA-registered drug labelers

Emcure Pharmaceuticals Limited

Interquim, S.A.

Maithri Drugs Private Limited

MSN Organics Private Limited

Organon LLC

ThermoFisher Scientific Cork

Wavelength Enterprises Ltd.

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Vtama

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

$49.20/gAaron Chemicals LLC

CountryHong Kong

Pack$246.00 / 5 g

Purity97%

Vendors4 available

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

3 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$243.20	10 g	99%
AstaTech (2 weeks)	United States	$904.00	250 mg	95%
AA BLOCKS (2 weeks)	United States	$1360.00	250 mg	98%

Chemical Identity

CAS79338-84-4

PubChem CID6439522

DTXSIDDTXSID301045262

FormulaC17H18O2

Mol. Weight254.32 g/mol

SMILESCC(C)C1=C(C=C(C=C1O)C=CC2=CC=CC=C2)O

Data Sources

PubChem · compound 6439522Retrieved 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

tapinarof (CAS 79338-84-4) https://chemicalindependence.com/chemical/79338-84-4/ PubChem: 6439522. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6439522 FDA National Drug Code directory: CAS 79338-84-4. 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 290729 for CAS 79338-84-4. Reporting year: 2024. https://usatrade.census.gov/