| CAS No. | 2902-64-9 |
| Molecular Formula | C10H6O5 |
| Molecular Weight | 206.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 206.15 g/mol gives Methyl 1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylate (CAS 2902-64-9), molecular formula C10H6O5 and molecular weight 206.15 g/mol, is a CATO reference standard with documented purity and traceability.
Methyl 1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylate (C10H6O5) 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 Methyl 1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylate 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.
| Molecular Formula | C10H6O5 |
| Molecular Weight | 206.15 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, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |