1,3-Propanediyl bis(p-aminobenzoate)

CAS 57609-64-0

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import volumeCBI

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 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. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production Zero · Imports Confidential
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.

Lanxess

Why It Matters

Sectors

Core Chemicals

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

•Hardener in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.22/gAaron Chemicals LLC

CountryHong Kong

Pack$110.00 / 500 g

Purity98%

Vendors14 available

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

13 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.24	500 g	98%
Angene Chemical	China → Hong Kong	$0.24	500 g	98%
BLD Pharmatech GmbH	Germany	$0.28	500 g	98%
BLD Pharmatech Ltd.	China	$0.28	500 g	98%
Combi-Blocks, Inc.	United States	$0.30	500 g	98%
AA BLOCKS	United States	$0.31	500 g	98%
BLD Pharmatech Co., Limited	United States	$0.44	100 g	98%
Ambeed, Inc.	United States	$0.44	100 g	98%
AK Scientific, Inc.	United States	$0.92	25 g	98%
AstaTech (2 weeks)	United States	$1.38	100 g	95%
Angene International Limited	United States	$2.84	25 g	98%
Labotest KG	Germany	$453.00	1000 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS57609-64-0

PubChem CID93312

DTXSIDDTXSID3044960

FormulaC17H18N2O4

Mol. Weight314.34 g/mol

SMILESC1=CC(=CC=C1C(=O)OCCCOC(=O)C2=CC=C(C=C2)N)N

Data Sources

EPA CompTox (DSSTox) · DTXSID3044960Retrieved 2026-04-06
PubChem · compound 93312Retrieved 2026-04-06
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

1,3-Propanediyl bis(p-aminobenzoate) (CAS 57609-64-0) https://chemicalindependence.com/chemical/57609-64-0/ EPA CompTox (DSSTox): DTXSID3044960. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3044960 PubChem: 93312. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/93312 EPA Chemical Data Reporting: 57609-64-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 57609-64-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting