Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dimethoxy-
CAS 36886-76-7
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
$1.65/gCombi-Blocks, Inc.
CountryUnited States
Pack$165.00 / 100 g
Purity98%
Vendors13 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
12 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 |
|---|---|---|---|---|
| A2B Chem LLC | United States | $1.72 | 25 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $1.81 | 100 g | 98% |
| BLD Pharmatech Co., Limited | United States | $1.90 | 100 g | 98% |
| BLD Pharmatech GmbH | Germany | $1.90 | 100 g | 98% |
| BLD Pharmatech Ltd. | China | $1.90 | 100 g | 98% |
| Ambeed, Inc. | United States | $1.90 | 100 g | 98% |
| AA BLOCKS | United States | $1.92 | 25 g | 98% |
| Angene Chemical | China → Hong Kong | $2.08 | 100 g | 98% |
| Fluorochem EU | Germany | $2.81 | 25 g | 98% |
| AstaTech (2 weeks) | United States | $3.10 | 100 g | 95% |
| AK Scientific, Inc. | United States | $12.10 | 10 g | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
CAS36886-76-7
PubChem CIDNot recorded
DTXSIDDTXSID2068006
FormulaC22H16O5
Mol. Weight360.365 g/mol
SMILESCOC1=CC=C2C(OC3=CC(OC)=CC=C3C22OC(=O)C3=CC=CC=C23)=C1
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dimethoxy- (CAS 36886-76-7) https://chemicalindependence.com/chemical/36886-76-7/ EPA TSCA Inventory: CAS 36886-76-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory