1,3-Dioxo-1,3-dihydroisobenzofuran-4-yl benzoate CAS 138975-98-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138975-98-1 |
| Molecular Formula | C15H8O5 |
| Molecular Weight | 268.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1,3-Dioxo-1,3-dihydroisobenzofuran-4-yl benzoate (CAS 138975-98-1) pharmaceutical standards reference standard. Molecular formula: C15H8O5. Molecular weight: 268.22 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C15H8O5 |
| Molecular Weight | 268.22 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related Dioxo Standards
- 3-(1,3-Dioxo-1,3-dihydro-2H-pyrrolo[3,4-c]pyridin-2-yl)benzoic acid (CAS 1409198-11-3)
- 4-(1,3-Dioxo-1,3-dihydro-2H-pyrrolo[3,4-c]pyridin-2-yl)benzoic acid (CAS 1410664-43-5)
- 1,3-Dioxo-2-(pyridin-2-yl)isoindoline-5-carboxylic acid (CAS 186384-46-3)
- 1,3-Dioxo-2-(pyridin-3-yl)isoindoline-5-carboxylic acid (CAS 239807-67-1)
- 3-(5,7-Dioxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyridin-6-yl)benzoic acid (CAS 294892-44-7)
- 4-(5,7-Dioxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyridin-6-yl)benzoic acid (CAS 37458-42-7)
- 2-(6-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanamido)acetic acid (CAS 854021-64-0)
- 3-[(1,1-dioxo-1$l^{6},2-benzothiazol-3-yl)amino]butanoic acid (CAS 1094565-75-9)
Recommended Standards
- 2-(3-Formylphenoxy)-5-nitrobenzonitrile (CAS 1287011-17-9)
- 3-Nitro-N-acetyl-L-tyrosine (CAS 13948-21-5)
- Methyl 2-(4-hydroxyisoxazolidin-2-yl)-5-nitrobenzoate (CAS 1242267-99-7)
- 4-Formyl-2,6-diiodophenyl acetate (CAS 52273-39-9)
- 2-(Difluoromethyl)-4-fluoropyridine-6-acetic acid (CAS 1805225-86-8)
- Ethyl 3-((6-methylpyrazin-2-yl)oxy)benzoate (CAS 906352-99-6)
- 4-Chloro-3-nitroacetophenone (CAS 97483-77-7)
- Tert-butyl 4-(trifluoromethyl)hexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate (CAS 1823782-58-6)
- [S(S)]-2-Methyl-N-(tetrahydro-4H-pyran-4-ylidene)-2-propanesulfinamide (CAS 1998543-62-6)
- Semaglutide Impurity 189 (CAS CATO-C4X-2226189)
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