2,7-Dichloro-4,5-bis(1,3,2-dithiarsolan-2-yl)-3,6-dihydroxy-9H-xanthen-9-one CAS 439791-19-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 439791-19-2 |
| Molecular Formula | C17H12As2Cl2O4S4 |
| Molecular Weight | 629.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,7-Dichloro-4,5-bis(1,3,2-dithiarsolan-2-yl)-3,6-dihydroxy-9H-xanthen-9-one (CAS 439791-19-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H12As2Cl2O4S4. Molecular weight: 629.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H12As2Cl2O4S4 |
| Molecular Weight | 629.28 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 4 |
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