3-Oxo-3H-spiro[isobenzofuran-1,9’-xanthene]-3’,6’-diyl Bis(trifluoromethanesulfonate) CAS 1195931-66-8
| CAS No. | 1195931-66-8 |
| Molecular Formula | C22H10F6O9S2 |
| Molecular Weight | 596.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution, 3-Oxo-3H-spiro[isobenzofuran-1,9’-xanthene]-3’,6’-diyl Bis(trifluoromethanesulfonate) is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 596.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-Oxo-3H-spiro[isobenzofuran-1,9’-xanthene]-3’,6’-diyl Bis(trifluoromethanesulfonate) (CAS 1195931-66-8), molecular formula C22H10F6O9S2 and molecular weight 596.43 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Oxo-3H-spiro[isobenzofuran-1,9’-xanthene]-3’,6’-diyl Bis(trifluoromethanesulfonate) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C22H10F6O9S2 |
| Molecular Weight | 596.43 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Sulfur Atoms | 2 |
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