Bis(4-(diphenylamino)phenyl)methanone CAS 2873-76-9
| CAS No. | 2873-76-9 |
| Molecular Formula | C37H28N2O |
| Molecular Weight | 516.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C37H28N2O, Bis(4-(diphenylamino)phenyl)methanone contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 516.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Bis(4-(diphenylamino)phenyl)methanone (CAS 2873-76-9), molecular formula C37H28N2O and molecular weight 516.63 g/mol, is a CATO reference standard with documented purity and traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C37H28N2O |
| Molecular Weight | 516.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Bis Standards
- 10-(4'-(Diphenylamino)-[1,1'-biphenyl]-4-yl)acridin-9(10H)-one (CAS 1188546-10-2)
- 3-(5-((Diphenylamino)methyl)-1,3,4-thiadiazol-2-yl)-2-styrylquinazolin-4(3H)-one (CAS 74796-91-1)
- 2,6-Bis(3-(diphenylamino)allylidene)cyclohexanone (CAS 88020-51-3)
- 4-((4-(4-(Diphenylamino)phenoxy)phenyl)(phenyl)amino)benzaldehyde (CAS 142030-94-2)
- 3-(Diphenylamino)dibenzo[g,p]chrysene (CAS 1397202-77-5)
- (5-(3,5-Bis(diphenylamino)phenyl)thiophen-2-yl)boronic acid (CAS 651329-44-1)
- 2,6-Bis(diphenylamino)anthraquinone (CAS 868850-50-4)
- 2-((2-(5-(4-(Diphenylamino)phenyl)thieno[3,2-b]thiophen-2-yl)thiazol-5-yl)methylene)malononitrile (CAS 1610050-61-7)
Recommended Standards
- 2-[({5-[(2,4-diphenyl-1,3-thiazol-5-yl)methyl]-1,3,4-oxadiazol-2-yl}sulfanyl)methyl]-5-fluoro-1,3-benzothiazole (CAS 861208-69-7)
- Aripiprazole Impurity N2 (CAS 2220149-92-6)
- DMAC-TRZ (CAS 1628752-98-6)
- Carfilzomib Impurity 81 (CAS CATO-C4X-102281)
- 4-Bromo-2-nitro-5-propoxy-N-propylaniline (CAS 1311197-83-7)
- 1-(5-bromo-2-fluoro-3-nitrophenyl)ethan-1-one (CAS 1804911-08-7)
- (3-Bromo-4-(2,2-difluoroethoxy)phenyl)methanol (CAS 1340151-27-0)
- 3-(((2,5-Dichlorobenzyl)oxy)methyl)piperidine hydrochloride (CAS 1289387-86-5)
- 3,4-Diisopropoxy-3-cyclobutene-1,2-dione (CAS 61699-62-5)
- N-(2-(tert-Butyl)phenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 586997-01-5)
- 2,5-Dimethyl-4-(N-(thiophen-2-yl)sulfamoyl)furan-3-carboxylic acid (CAS 496051-43-5)
- 11-Ethyl-2,3,4,5-tetrahydro-1H-azepino[4,5-b]quinoline (CAS 744145-22-0)
- 3-Hydroxy-4-((3-hydroxypropyl)amino)tetrahydrothiophene 1,1-dioxide (CAS 459413-88-8)
- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
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