Urea, N,N''-(methylenedi-4,1-phenylene)bis[N'-phenyl-
CAS 13140-83-5
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
$453.00/gLabotest KG
CountryGermany
Pack$453.00 / 1000 mg
Purity90%
Vendors7 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
6 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| ChemBridge Corporation | Kazakhstan | $3500.00 | 50 mg | 90% |
| A2B Chem LLC (2 weeks) | United States | $24600.00 | 5 mg | 90% |
| AA BLOCKS (2 weeks) | United States | $24600.00 | 5 mg | 90% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
CAS13140-83-5
PubChem CIDNot recorded
DTXSIDDTXSID2074613
FormulaC27H24N4O2
Mol. Weight436.515 g/mol
SMILESO=C(NC1=CC=CC=C1)NC1=CC=C(CC2=CC=C(NC(=O)NC3=CC=CC=C3)C=C2)C=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Urea, N,N''-(methylenedi-4,1-phenylene)bis[N'-phenyl- (CAS 13140-83-5) https://chemicalindependence.com/chemical/13140-83-5/ EPA TSCA Inventory: CAS 13140-83-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory