| CAS No. | 102275-60-5 |
| Molecular Formula | C23H20O5 |
| Molecular Weight | 376.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures (E)-3-((3-(5,5-Dimethyl-4-oxo-4,5-dihydrofuran-2-yl)but-2-en-1-yl)oxy)-9H-xanthen-9-one 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.
(E)-3-((3-(5,5-Dimethyl-4-oxo-4,5-dihydrofuran-2-yl)but-2-en-1-yl)oxy)-9H-xanthen-9-one (CAS 102275-60-5), molecular formula C23H20O5 and molecular weight 376.40 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H20O5, (E)-3-((3-(5,5-Dimethyl-4-oxo-4,5-dihydrofuran-2-yl)but-2-en-1-yl)oxy)-9H-xanthen-9-one 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 376.40 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C23H20O5 |
| Molecular Weight | 376.40 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |