| CAS No. | 83864-25-9 |
| Molecular Formula | C9H8O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, polymer with 1,4-benzenediol and 1,2-propanediol (CAS 83864-25-9), molecular formula C9H8O3C6H6O2C3H8O2 and molecular weight 350.37 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, polymer with 1,4-benzenediol and 1,2-propanediol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 350.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, polymer with 1,4-benzenediol and 1,2-propanediol 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.
| Molecular Formula | C9H8O3 C6H6O2 C3H8O2 |
| Molecular Weight | 350.37 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |