72088-94-9 3',6'-Dihydroxy-3-oxospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-ar-carboxylic acid Spiro(isobenzofuran-1(3H),9'-(9H)xanthene)-ar-carboxylic acid, 3',6'-dihydroxy-3-oxo- EINECS 276-331-1 CAS 72088-94-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 72088-94-9 |
| Molecular Formula | 2*C21H30O7 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 72088-94-9 3',6'-Dihydroxy-3-oxospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-ar-carboxylic acid Spiro(isobenzofuran-1(3H),9'-(9H)xanthene)-ar-carboxylic acid, 3',6'-dihydroxy-3-oxo- EINECS 276-331-1 (CAS 72088-94-9) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: 2*C21H30O7. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | 2*C21H30O7 |
| Molecular Weight | 394.46 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
Related Dihydroxy Standards
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- Ethyl 4,7-dihydroxy-2-oxo-2H-chromene-3-carboxylate (CAS 100037-66-9)
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- 1-(2,4-Dihydroxy-3,6-dimethoxyphenyl)-3-(2-methoxyphenyl)prop-2-en-1-one 100079-39-8 ST24037017 (CAS 100079-39-8)
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Recommended Standards
- 6-(2,6-Difluorophenyl)pyridazin-3-amine (CAS 1250246-22-0)
- 1-(2-amino-5-bromophenyl)propan-1-one (CAS 124623-15-0)
- 3-(Trifluoromethyl)-1H-pyrrolo[2,3-b]pyridin-4-amine (CAS 1255099-01-4)
- 3-Isopropenyl-6-oxoheptanal (CAS 7086-79-5)
- 2-Phenyl-N-(thiophen-2-yl)morpholine-4-carboxamide (CAS 1210382-75-4)
- 1H,1H-Perfluorooctyl trifluoromethanesulfonate (CAS 17352-09-9)
- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
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