14H-Anthra[2,1,9-mna]thioxanthen-14-one

CAS 16294-75-0

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceNo public record

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2019.

Where It Comes From

EPA reports by year

2019: US production Confidential · Imports Confidential

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Milliken &

Why It Matters

Sectors

Plastics & Rubber

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

Industrial Uses

•Dyes in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.31/gAaron Chemicals LLC

CountryHong Kong

Pack$154.00 / 500 g

Purity95%

Vendors17 available

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

16 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.46	500 g	95%
A2B Chem LLC	United States	$0.52	25 g	95%
Chemscene	United States	$0.53	100 g	—
BLD Pharmatech Co., Limited	United States	$0.55	100 g	95%
BLD Pharmatech GmbH	Germany	$0.55	100 g	95%
BLD Pharmatech Ltd.	China	$0.55	100 g	95%
Ambeed, Inc.	United States	$0.55	100 g	95%
Combi-Blocks, Inc.	United States	$0.55	100 g	95%
AK Scientific Specialized	United States	$0.56	100 g	95%
AA BLOCKS	United States	$0.63	100 g	95%
MedChemExpress MCE	Sweden	$0.67	100 g	—
AK Scientific, Inc.	United States	$0.75	100 g	95%
Angene International Limited	United States	$1.22	100 g	95%
Fluorochem EU	Germany	$1.45	10 g	97%
AstaTech (2 weeks)	United States	$35.00	1 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	97%

Chemical Identity

CAS16294-75-0

PubChem CID85358

DTXSIDDTXSID0066032

FormulaC23H12OS

Mol. Weight336.4 g/mol

SMILESC1=CC=C2C(=C1)C3=CC=C4C5=C(C=CC(=C35)C2=O)C6=CC=CC=C6S4

Data Sources

EPA CompTox (DSSTox) · DTXSID0066032Retrieved 2026-04-06
PubChem · compound 85358Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

14H-Anthra[2,1,9-mna]thioxanthen-14-one (CAS 16294-75-0) https://chemicalindependence.com/chemical/16294-75-0/ EPA CompTox (DSSTox): DTXSID0066032. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0066032 PubChem: 85358. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/85358 EPA Chemical Data Reporting: 16294-75-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 16294-75-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting