1,5-Pentanedione, 1,5-diphenyl-
CAS 6263-83-8
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
$13.82/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$69.09 / 5 g
Purity98%
Vendors15 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
14 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 |
|---|---|---|---|---|
| Sigma-Aldrich | Germany | $13.82 | 5 g | 98% |
| AA BLOCKS | United States | $16.08 | 25 g | 95% |
| A2B Chem LLC | United States | $25.00 | 5 g | 95% |
| Combi-Blocks, Inc. | United States | $28.00 | 5 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $29.96 | 25 g | 98% |
| AstaTech (2 weeks) | United States | $31.24 | 25 g | 95% |
| BLD Pharmatech Co., Limited | United States | $32.00 | 5 g | 95% |
| BLD Pharmatech Ltd. | China | $32.00 | 5 g | 95% |
| Ambeed, Inc. | United States | $32.00 | 5 g | 95% |
| Angene Chemical | China → Hong Kong | $32.04 | 25 g | 98% |
| Fluorochem UK | United Kingdom | $39.58 | 25 g | — |
| BLD Pharmatech GmbH | Germany | $50.00 | 1 g | 95% |
| Maybridge, Ltd. | United Kingdom | $2414.30 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
CAS6263-83-8
PubChem CIDNot recorded
DTXSIDDTXSID9064180
FormulaC17H16O2
Mol. Weight252.313 g/mol
SMILESO=C(CCCC(=O)C1=CC=CC=C1)C1=CC=CC=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
1,5-Pentanedione, 1,5-diphenyl- (CAS 6263-83-8) https://chemicalindependence.com/chemical/6263-83-8/ EPA TSCA Inventory: CAS 6263-83-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory