N-(2-(Diphenylphosphino)phenyl)-4-methylbenzenesulfonamide CAS 915314-44-2
| CAS No. | 915314-44-2 |
| Molecular Formula | C25H22NO2PS |
| Molecular Weight | 431.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
N-(2-(Diphenylphosphino)phenyl)-4-methylbenzenesulfonamide (CAS 915314-44-2), molecular formula C25H22NO2PS and molecular weight 431.49 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-(2-(Diphenylphosphino)phenyl)-4-methylbenzenesulfonamide (C25H22NO2PS) contains a steroid core, an amide group, a sulfone group, organophosphorus functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.5, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 431.49 g/mol, it falls into the moderately-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).
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.
Physical & Chemical Properties
| Molecular Formula | C25H22NO2PS |
| Molecular Weight | 431.49 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related N Standards
- (2-(Diphenylphosphino)-1-hydroxyethyl)diphenylphosphine oxide (CAS 65220-79-3)
- (1'R)-7'-(Diphenylphosphino)-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-indene]-7-methanamine (CAS 1366181-01-2)
- 1,3-Bis(diphenylphosphino)propane monooxide (CAS 85685-99-0)
- 9-[2-(Diphenylphosphino)phenyl]-9H-carbazole (CAS 1308652-67-6)
- (4S)-2-[[2-(Diphenylphosphino)phenyl]methyl]-4,5-dihydro-4-(phenylmethyl)oxazole (CAS 947618-05-5)
- Bis(diphenylphosphino)(isopropyl)amine (CAS 60981-68-2)
- 1,3-Bis(diphenylphosphino)propane 6737-42-4 1,3-BIS(DIPHENYLPHOSPHINE)PROPANE;1,3-BIS(DIPHENYLPHOSPHINO)PROPANE;1,3-BIS(DIPHENYPHOSPHINO)PROPANE;DPPP;PROPYLENEBIS(DIPHENYLPHOSPHINE);TRIMETHYLENEBIS(DIPHENYLPHOSPHINE);[3-(DIPHENYLPHOSPHANYL)PROPYL]DIPHENYLPHOSPHANE GC10105 (CAS 6737-42-4)
- 2-Diphenylphosphino-2',6'-bis(dimethylamino)-1,1'-biphenyl (CAS 1447963-71-4)
Recommended Standards
- 2-Imino-1-(3-methoxypropyl)-5-oxo-N-(1-phenylethyl)-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 510762-79-5)
- N-(4-(Pyridin-4-ylamino)phenyl)-4-(quinolin-4-ylamino)benzamide (CAS 23655-67-6)
- 2-Imino-1-(2-methoxyethyl)-10-methyl-5-oxo-N-(1-phenylethyl)-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 618077-68-2)
- N-(5,5-Dioxido-3-(p-tolyl)tetrahydrothieno[3,4-d]thiazol-2(3H)-ylidene)-3-nitrobenzamide (CAS 618396-90-0)
- 5-Bromo-2-methoxypyrimidine (CAS 14001-66-2)
- 4-Chloro-N-(thiazol-2-yl)butanamide (CAS 37762-99-5)
- 1-(4-Fluorophenyl)-4-hydroxy-1h-pyrazole-3-carboxylic acid (CAS 1152602-19-1)
- 1-Decyl-4-((3-ethylbenzo[d]thiazol-2(3H)-ylidene)methyl)-2-phenyl-5,6,7,8-tetrahydroquinazolin-1-ium iodide (CAS 5234-83-3)
- 2-[4-[2-Amino-3-[2-Amino-3-[4-(Carboxymethyl)Cyclohexyl]Propyl]Disulfanylpropyl]Cyclohexyl]Acetic Acid; 2,2,2-Trifluoroacetic Acid (CAS 156143-99-6)
- 2-Methyl-4-nitro-5-(pyrrolidin-1-yl)aniline (CAS 347355-84-4)
- 3-(1H-Benzo[d][1,2,3]triazol-1-yl)-N'-(1-(p-tolyl)ethylidene)propanehydrazide (CAS 478653-67-7)
- 1-(2-(4-Chloro-3-methylphenoxy)ethyl)-1H-indole-3-carbaldehyde (CAS 340318-74-3)
- Tadalafil Impurity 113 (CAS 68807-89-6)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
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