Propyphenazone

Drug ingredient

CAS 479-92-5

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

US productionNot reported

Import value, 2024$1M

Top sourceSouth Korea 72%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

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 293311 · basket

These shares come from HS customs code 293311, which covers 5 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).

KR 72%South KoreaGB 18%United KingdomCN 5%ChinaLT 3%LithuaniaDE 1%Germany

Hong Kong

1 FDA-registered drug labeler

Lydia Co., Ltd.

Why It Matters

Sectors

Health

Downstream Uses

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

•Geworin

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

$3.32/gAaron Chemicals LLC

CountryHong Kong

Pack$83.00 / 25 g

Purity98%

Vendors19 available

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

18 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$3.80	25 g	98%
Combi-Blocks, Inc.	United States	$3.80	25 g	98%
Angene Chemical	China → Hong Kong	$3.84	25 g	98%
AA BLOCKS	United States	$4.52	25 g	98%
AK Scientific, Inc.	United States	$6.20	5 g	98%
BLD Pharmatech Ltd.	China	$8.48	25 g	98%
Angene International Limited	United States	$16.60	5 g	98%
MedChemExpress MCE	Sweden	$27.83	5 g	99.85%
TargetMol Chemicals	China → United States	$30.00	1 g	99.81%
AstaTech (2 weeks)	United States	$48.00	1 g	95%
Sigma-Aldrich (Rush Stock)	Germany	$157.01	1 g	—
Sigma-Aldrich	Germany	$157.01	1 g	—
Molnova	China	$200.00	200 mg	99%
Labotest KG	Germany	$217.80	5000 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%
Key Organics Ltd.	United Kingdom	$6900.00	10 mg	97%
TimTec, LLC (back-ordered)	United States	$32000.00	15 mg	94%
TimTec, LLC	United States	$90000.00	2 mg	90%

Chemical Identity

CAS479-92-5

PubChem CID3778

DTXSIDDTXSID6023529

FormulaC14H18N2O

Mol. Weight230.31 g/mol

SMILESCC1=C(C(=O)N(N1C)C2=CC=CC=C2)C(C)C

Data Sources

PubChem · compound 3778Retrieved 2026-04-07
EPA TSCA InventoryRetrieved 2026-04-24
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Propyphenazone (CAS 479-92-5) https://chemicalindependence.com/chemical/479-92-5/ PubChem: 3778. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/3778 EPA TSCA Inventory: CAS 479-92-5. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293311 for CAS 479-92-5. Reporting year: 2024. https://usatrade.census.gov/