1,3-Dimethyl-1,3-diphenylurea

CAS 611-92-7

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 value, 2024$28M

Top sourceIsrael 32%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292421 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 292421, which covers 26 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).

IL 32%IsraelCN 19%ChinaCH 11%SwitzerlandIN 11%IndiaDE 9%Germany

South Korea
Spain
Singapore
Ukraine
Italy
Poland
Hong Kong

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Bae Systems

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

•Propellants and blowing agents in Explosives Manufacturing (100%)Use—non-incorporative activities

Vendor Pricing

$1.01/gA2B Chem LLC

CountryUnited States

Pack$101.00 / 100 g

Purity98%

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
Combi-Blocks, Inc.	United States	$1.20	100 g	98%
AA BLOCKS	United States	$1.22	100 g	95%
Chemscene	United States	$1.43	100 g	—
BLD Pharmatech GmbH	Germany	$1.72	100 g	95%
BLD Pharmatech Ltd.	China	$1.72	100 g	95%
Fluorochem EU	Germany	$2.71	25 g	98%
Ambeed, Inc.	United States	$3.50	10 g	95%
BLD Pharmatech Co., Limited	United States	$5.80	5 g	95%
Synthonix	United States	$6.00	5 g	95%
Labotest KG	Germany	$453.00	1000 mg	90%
TimTec, LLC	United States	$14666.67	30 mg	98%
TimTec, LLC (back-ordered)	United States	$32000.00	15 mg	94%

Chemical Identity

CAS611-92-7

PubChem CID11917

DTXSIDDTXSID3044964

FormulaC15H16N2O

Mol. Weight240.3 g/mol

SMILESCN(C1=CC=CC=C1)C(=O)N(C)C2=CC=CC=C2

Data Sources

EPA CompTox (DSSTox) · DTXSID3044964Retrieved 2026-04-06
PubChem · compound 11917Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

1,3-Dimethyl-1,3-diphenylurea (CAS 611-92-7) https://chemicalindependence.com/chemical/611-92-7/ EPA CompTox (DSSTox): DTXSID3044964. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3044964 PubChem: 11917. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/11917 EPA Chemical Data Reporting: 611-92-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 611-92-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292421 for CAS 611-92-7. Reporting year: 2024. https://usatrade.census.gov/