| CAS No. | 118040-45-2 |
| Molecular Formula | C21H22O11 |
| Molecular Weight | 450.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(S)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-6-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)chroman-4-one (CAS 118040-45-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H22O11. Molecular weight: 450.39 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
| Molecular Formula | C21H22O11 |
| Molecular Weight | 450.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |