Methanone, 1,1'-(1,4-phenylene)bis[1-(4-phenoxyphenyl)-

CAS 54299-17-1

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.

Import volumeZero

Top sourceNo public record

At least one company claimed its 2023 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: 2023.

Where It Comes From

EPA reports by year

2023: US production Confidential · Imports Zero

EPA-registered manufacturers (1)

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

Arkema

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

•Monomers in Plastics Product Manufacturing (100%)Processing as a reactant

Vendor Pricing

$41.40/gCombi-Blocks, Inc.

CountryUnited States

Pack$1035.00 / 25 g

Purity98%

Vendors11 available

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

10 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$50.84	25 g	98%
AA BLOCKS	United States	$53.68	25 g	98%
BLD Pharmatech Ltd.	China	$60.00	10 g	98%
Ambeed, Inc.	United States	$72.00	5 g	98%
Aaron Chemicals LLC	Hong Kong	$89.60	5 g	98%
Angene Chemical	China → Hong Kong	$102.80	5 g	98%
BLD Pharmatech Co., Limited	United States	$120.00	1 g	98%
Apollo Scientific UK	United Kingdom	$131.00	1 g	95%
AstaTech (2 weeks)	United States	$146.20	5 g	95%
ChemBridge Corporation	Kazakhstan	$12500.00	10 mg	90%

Chemical Identity

CAS54299-17-1

PubChem CIDNot recorded

DTXSIDDTXSID5074056

FormulaC32H22O4

Mol. Weight470.524 g/mol

SMILESO=C(C1=CC=C(OC2=CC=CC=C2)C=C1)C1=CC=C(C=C1)C(=O)C1=CC=C(OC2=CC=CC=C2)C=C1

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Methanone, 1,1'-(1,4-phenylene)bis[1-(4-phenoxyphenyl)- (CAS 54299-17-1) https://chemicalindependence.com/chemical/54299-17-1/ EPA TSCA Inventory: CAS 54299-17-1. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 54299-17-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 54299-17-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting