9,9′-Spirobi[9H-fluorene]-2,2′-diamine, N2,N2,N2′,N2′-tetrakis(4-methylphenyl)- CAS 515833-76-8
| CAS No. | 515833-76-8 |
| Molecular Formula | C53H42N2 |
| Molecular Weight | 706.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C53H42N2, 9,9′-Spirobi[9H-fluorene]-2,2′-diamine, N2,N2,N2′,N2′-tetrakis(4-methylphenyl)- contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 706.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 9,9′-Spirobi[9H-fluorene]-2,2′-diamine, N2,N2,N2′,N2′-tetrakis(4-methylphenyl)- (CAS 515833-76-8), a certified reference material (molecular formula C53H42N2, MW 706.91 g/mol) for analytical method development and quality control.
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.
Physical & Chemical Properties
| Molecular Formula | C53H42N2 |
| Molecular Weight | 706.91 g/mol |
| 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) | 34.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
Related Spirobi Standards
- Di(9,9'-spirobi[fluoren]-2-yl)(phenyl)phosphine oxide (CAS 824426-27-9)
- 4,4''-Bi(9,9'-spirobi[fluorene]) (CAS 1161009-90-0)
- 4,4',4",4"'-(9,9'-Spirobi[fluorene]-2,2',7,7'-tetrayl)tetrabenzoic acid (CAS 1350363-07-3)
- 9,9'-Spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester (CAS 676168-63-1)
- 2-(9,9'-Spirobi[fluoren]-2-yl)-4,6-di([1,1':3',1''-terphenyl]-5'-yl)-1,3,5-triazine (CAS 1233200-52-6)
- 2-(9,9'-Spirobi[fluoren]-2-yl)-4,6-diphenyl-1,3,5-triazine (CAS 1207176-84-8)
- 9,9'-Spirobi[fluoren]-2-yldiphenylphosphine oxide (CAS 1125547-88-7)
- 9,9'-Spirobi[fluoren]-4-yldiphenylphosphine oxide (CAS 1314243-72-5)
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