| CAS No. | 859664-16-7 |
| Molecular Formula | C18H14O6 |
| Molecular Weight | 326.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-[[2,3-Dihydro-2-[(3-methoxyphenyl)methylene]-3-oxo-6-benzofuranyl]oxy]acetic acid (CAS 859664-16-7), molecular formula C18H14O6 and molecular weight 326.30 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H14O6, 2-[[2,3-Dihydro-2-[(3-methoxyphenyl)methylene]-3-oxo-6-benzofuranyl]oxy]acetic acid contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 326.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-[[2,3-Dihydro-2-[(3-methoxyphenyl)methylene]-3-oxo-6-benzofuranyl]oxy]acetic acid 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 | C18H14O6 |
| Molecular Weight | 326.30 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.) | 1987 |