Spiro[12H-benzo[a]xanthene-12,1'(3'H)-isobenzofuran]-3'-one, 9-(diethylamino)-
CAS 26628-47-7
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
$1.32/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$659.00 / 500 g
Purity98%
Vendors16 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
15 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 |
|---|---|---|---|---|
| Combi-Blocks, Inc. | United States | $1.44 | 500 g | 98% |
| AA BLOCKS | United States | $1.61 | 500 g | 95% |
| A2B Chem LLC | United States | $2.28 | 25 g | 95% |
| BLD Pharmatech Co., Limited | United States | $2.40 | 100 g | 95% |
| BLD Pharmatech Ltd. | China | $2.40 | 100 g | 95% |
| Ambeed, Inc. | United States | $2.40 | 100 g | 95% |
| Aaron Chemicals LLC | Hong Kong | $2.99 | 100 g | 95% |
| AK Scientific Specialized | United States | $4.48 | 25 g | 95% |
| AK Scientific, Inc. | United States | $6.28 | 25 g | 98% |
| Angene International Limited | United States | $11.08 | 25 g | 98% |
| AstaTech (2 weeks) | United States | $48.00 | 1 g | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
| Interbioscreen | Hong Kong | $8464.00 | 50 mg | 95% |
| Vitas M Chemical Limited | Hong Kong | $9000.00 | 10 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $10500.00 | 10 mg | 90% |
Chemical Identity
CAS26628-47-7
PubChem CIDNot recorded
DTXSIDDTXSID10885365
FormulaC28H23NO3
Mol. Weight421.496 g/mol
SMILESCCN(CC)C1=CC2=C(C=C1)C1(OC(=O)C3=C1C=CC=C3)C1=C(O2)C=CC2=C1C=CC=C2
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Spiro[12H-benzo[a]xanthene-12,1'(3'H)-isobenzofuran]-3'-one, 9-(diethylamino)- (CAS 26628-47-7) https://chemicalindependence.com/chemical/26628-47-7/ EPA TSCA Inventory: CAS 26628-47-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory