3-Ethyl-7-hydroxy-1-oxo-1,3-dihydroisobenzofuran-4-yl acetate CAS 88256-02-4
| CAS No. | 88256-02-4 |
| Molecular Formula | C12H12O5 |
| Molecular Weight | 236.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 236.22 g/mol gives 3-Ethyl-7-hydroxy-1-oxo-1,3-dihydroisobenzofuran-4-yl acetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Ethyl-7-hydroxy-1-oxo-1,3-dihydroisobenzofuran-4-yl acetate (CAS 88256-02-4) is a high-purity analytical reference standard with the molecular formula C12H12O5 and a molecular weight of 236.22 g/mol.
3-Ethyl-7-hydroxy-1-oxo-1,3-dihydroisobenzofuran-4-yl acetate (C12H12O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Ethyl-7-hydroxy-1-oxo-1,3-dihydroisobenzofuran-4-yl acetate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H12O5 |
| Molecular Weight | 236.22 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.) | 1982 |
Related Ethyl Standards
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Recommended Standards
- 3,5-Diacetamidobenzoic acid (CAS 7743-39-7)
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- 3-Nitro-4-(1-pyrrolidinyl)benzoic Acid (CAS 40832-81-3)
- N-(3,5-Bis(trifluoromethyl)phenyl)-2-chloroacetamide (CAS 790-75-0)
- 2-Chloro-4-iodo-3-methoxypyridine (CAS 1227592-88-2)
- Tert-butyl ((3aR,7aS)-octahydro-1H-isoindol-4-yl)carbamate (CAS 2306259-68-5)
- (R)-tert-Butyl 3-((2-chloro-6-methylpyrimidin-4-yl)amino)pyrrolidine-1-carboxylate (CAS 1261234-31-4)
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- 2-(Benzylthio)-1H-benzo[d]imidazole (CAS 51290-77-8)
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- (4-(Butylcarbamoyl)-3-chlorophenyl)boronic acid (CAS 850589-43-4)
- Fragment-[3-31]-Liraglutide (CAS CATO-C4X-199232)
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