5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,2-propanediol CAS 63948-88-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 63948-88-9 |
| Molecular Formula | C9H4O5 C3H8O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,2-propanediol (CAS 63948-88-9) pharmaceutical standards reference standard. Molecular formula: C9H4O5 C3H8O2. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H4O5 C3H8O2 |
| Molecular Weight | 268.22 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
Related Isobenzofurancarboxylic Standards
- 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)
- 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,1'-methylenebis[4-isocyanatobenzene] (CAS 25053-57-0)
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- 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with ethenylbenzene and 2-propen-1-ol (CAS 65186-04-1)
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Recommended Standards
- 3-Oxo-3-(3,4,5-trifluorophenyl)propanenitrile (CAS 842140-50-5)
- 6,8-dimethyl-3H,4H-imidazo[1,5-a][1,3,5]triazin-4-one (CAS 70187-82-5)
- 2-Chloro-6-methylpyridin-4-ol (CAS 42779-75-9)
- 2-(4-Bromo-3-fluorophenyl)cyclopropanecarboxylic acid, 97% (CAS 1269493-48-2)
- 3-Amino-2-[(pyridin-4-yl)methyl]propanoic acid (CAS 910444-19-8)
- 2-(4-Chlorophenyl)-4-(4-ethyl-5-(prop-2-yn-1-ylthio)-4H-1,2,4-triazol-3-yl)thiazole (CAS 400083-62-7)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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