5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,4-cyclohexanedimethanol and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione CAS 153640-63-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 153640-63-2 |
| Molecular Formula | C9H4O5 C8H8O3 C8H16O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,4-cyclohexanedimethanol and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione (CAS 153640-63-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H4O5 C8H8O3 C8H16O2. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H4O5 C8H8O3 C8H16O2 |
| Molecular Weight | 488.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
Related Isobenzofurancarboxylic Standards
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Recommended Standards
- (R)-2-(3-fluorophenyl)-2-(methylamino)ethan-1-ol (CAS 1336324-67-4)
- 2-((4-Aminopiperidin-1-yl)methyl)quinazolin-4-ol (CAS 1096965-94-4)
- 2-Acetyl-1-pyrroline 13C5 in DCM (CAS 1449323-18-5)
- [3-(Dimethylamino)-2,2-dimethylpropyl](methyl)amine (CAS 85996-44-7)
- Ethyl imidazo[1,5-a]pyridine-7-carboxylate hydrochloride (CAS 1914148-56-3)
- 2-Bromo-4,6-dimethylpyridin-3-ol (CAS 1062541-68-7)
- Semaglutide impurity 251 (CAS CATO-C4X-2226251)
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