| CAS No. | 2565792-47-2 |
| Molecular Formula | C40H52NO4PS |
| Molecular Weight | 673.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 673.88 g/mol gives [S(R)]-N-[(R)-(3,5-Di-tert-butyl-4-methoxyphenyl)[2-(diphenylphosphino)-4,5-dimethoxyphenyl]-2-methyl-2-propanesulfinamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
[S(R)]-N-[(R)-(3,5-Di-tert-butyl-4-methoxyphenyl)[2-(diphenylphosphino)-4,5-dimethoxyphenyl]-2-methyl-2-propanesulfinamide (CAS 2565792-47-2), molecular formula C40H52NO4PS and molecular weight 673.88 g/mol, is a CATO reference standard with documented purity and traceability.
[S(R)]-N-[(R)-(3,5-Di-tert-butyl-4-methoxyphenyl)[2-(diphenylphosphino)-4,5-dimethoxyphenyl]-2-methyl-2-propanesulfinamide (C40H52NO4PS) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a phosphate ester group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C40H52NO4PS |
| Molecular Weight | 673.88 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) | 15.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |