| CAS No. | 4235-90-9 |
| Molecular Formula | C45H45O6P |
| Molecular Weight | 712.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 712.81 g/mol gives Tris(4-(2-(4-hydroxyphenyl)propan-2-yl)phenyl) phosphite distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Tris(4-(2-(4-hydroxyphenyl)propan-2-yl)phenyl) phosphite (CAS 4235-90-9), molecular formula C45H45O6P and molecular weight 712.81 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Tris(4-(2-(4-hydroxyphenyl)propan-2-yl)phenyl) phosphite (C45H45O6P) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 23.5, corresponding to approximately 23 ring(s) or double-bond equivalent(s). With a molecular weight of 712.81 g/mol, it falls into the high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C45H45O6P |
| Molecular Weight | 712.81 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) | 23.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |