| CAS No. | 112269-92-8 |
| Molecular Formula | C28H24O16S4 |
| Molecular Weight | 744.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
25,26,27,28-Tetrahydroxypentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(25),3,5,7(28),9,11,13(27),15,17,19(26),21,23-dodecaene-5,11,17,23-tetrasulfonic acid (CAS 112269-92-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C28H24O16S4. Molecular weight: 744.74 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C28H24O16S4 |
| Molecular Weight | 744.74 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Sulfur Atoms | 4 |