| CAS No. | 95651-32-4 |
| Molecular Formula | C22H23O5PS |
| Molecular Weight | 430.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 2-((Diphenylphosphoryl)methoxy)ethyl 4-methylbenzenesulfonate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies 2-((Diphenylphosphoryl)methoxy)ethyl 4-methylbenzenesulfonate (CAS 95651-32-4), a certified reference material (molecular formula C22H23O5PS, MW 430.45 g/mol) for analytical method development and quality control.
Structurally, 2-((Diphenylphosphoryl)methoxy)ethyl 4-methylbenzenesulfonate (C22H23O5PS) contains a flavonoid core, a sulfone group, a phosphate ester group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.5, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 430.45 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C22H23O5PS |
| Molecular Weight | 430.45 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) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Sulfur Atoms | 1 |