| CAS No. | 503538-72-5 |
| Molecular Formula | C38H24F4O6P2 |
| Molecular Weight | 714.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Phosphine oxide, [(4R)-2,2,2′,2′-tetrafluoro[4,4′-bi-1,3-benzodioxole]-5,5′-diyl]bis[diphenyl- (CAS 503538-72-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C38H24F4O6P2. Molecular weight: 714.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C38H24F4O6P2 |
| Molecular Weight | 714.53 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |