3'-Ethoxy-6'-hydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one CAS 87569-95-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 87569-95-7 |
| Molecular Formula | C22H16O5 |
| Molecular Weight | 360.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3'-Ethoxy-6'-hydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 87569-95-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H16O5. Molecular weight: 360.36 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C22H16O5 |
| Molecular Weight | 360.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
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Recommended Standards
- 3',6'-Dimethoxy-3h-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 36886-76-7)
- 4-(3-Nitro-benzylidene)-1,2,3,4-tetrahydro-acridine-9-carboxylic acid (CAS 379255-82-0)
- 3,6,11-Trioxa-9-azatridecanoic acid, 12,12-dimethyl-10-oxo-, 2,5-dioxo-1-pyrrolidinyl ester (CAS 911102-04-0)
- 6-Chloro-5-methyl-1H-benzo[d]imidazol-2-ol (CAS 683240-81-5)
- 2,2',3,3',4,4',5,5'-Octabromodiphenyl ether (CAS 85446-17-9)
- 3-Iodo-4,6-dimethoxy-1H-indazole (CAS 944898-84-4)
- 1-Isopropyl-4-(2-nitrovinyl)benzene (CAS 42139-37-7)
- 2-Methyl-N-((tetrahydrofuran-2-yl)methyl)pentan-1-amine (CAS 1042535-57-8)
- Azelastine Impurity 48 (CAS CATO-C4X-139648)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com