Phosphine, 1,1′-[(1R)-6,6′-dimethoxy[1,1′-biphenyl]-2,2′-diyl]bis[1,1-di-2-naphthalenyl- CAS 256390-46-2
| CAS No. | 256390-46-2 |
| Molecular Formula | C54H40O2P2 |
| Molecular Weight | 782.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 782.84 g/mol gives Phosphine, 1,1′-[(1R)-6,6′-dimethoxy[1,1′-biphenyl]-2,2′-diyl]bis[1,1-di-2-naphthalenyl- distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Phosphine, 1,1′-[(1R)-6,6′-dimethoxy[1,1′-biphenyl]-2,2′-diyl]bis[1,1-di-2-naphthalenyl- (CAS 256390-46-2), molecular formula C54H40O2P2 and molecular weight 782.84 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Phosphine, 1,1′-[(1R)-6,6′-dimethoxy[1,1′-biphenyl]-2,2′-diyl]bis[1,1-di-2-naphthalenyl- (C54H40O2P2) contains organophosphorus functionality, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 35.0, corresponding to approximately 35 ring(s) or double-bond equivalent(s). With a molecular weight of 782.84 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).
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.
As a certified reference material (CRM), Phosphine, 1,1′-[(1R)-6,6′-dimethoxy[1,1′-biphenyl]-2,2′-diyl]bis[1,1-di-2-naphthalenyl- meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C54H40O2P2 |
| Molecular Weight | 782.84 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) | 35.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Phosphine Standards
- Phosphine, 1,1′-[(1S)-6,6′-dimethoxy[1,1′-biphenyl]-2,2′-diyl]bis[1,1-di-2-naphthalenyl- (CAS 849239-14-1)
- Phosphine, 1,1′-[(1R)-6,6′-dimethoxy[1,1′-biphenyl]-2,2′-diyl]bis[1,1-bis(4-chlorophenyl)- (CAS 1310054-04-6)
- Phosphine, 1,1′-[(1S)-6,6′-dimethoxy[1,1′-biphenyl]-2,2′-diyl]bis[1,1-bis(4-chlorophenyl)- (CAS 1310054-14-8)
- Phosphine oxide, [(4R)-2,2,2′,2′-tetrafluoro[4,4′-bi-1,3-benzodioxole]-5,5′-diyl]bis[diphenyl- (CAS 503538-72-5)
- Phosphine, 1,2-ethanediylbis[diphenyl-, copper complex (CAS 47895-30-7)
- Phosphine, 1,1′-[(1R)-2,2′,3,3′-tetrahydro-3,3,3′,3′,5,5′-hexamethyl-1,1′-spirobi[1H-indene]-7,7′-diyl]bis[1,1-diphenyl- (CAS 2213471-14-6)
- Phosphine, 1,1′-[(1S)-2,2′,3,3′-tetrahydro-3,3,3′,3′,5,5′-hexamethyl-1,1′-spirobi[1H-indene]-7,7′-diyl]bis[1,1-diphenyl- (CAS 2213471-24-8)
- Phosphine, 1,5-pentanediylbis[bis(3,5-dimethylphenyl)- (CAS 220185-38-6)
Recommended Standards
- Thyroxine-13C6 (CAS 1217780-14-7)
- Ampicillin Impurity 19 (CAS CATO-C4X-144319)
- Lurbinectedin Impurity 10 (CAS CATO-C4X-311410)
- Etoposide EP Impurity K (CAS CATO-C4X-202411)
- 2-(2,4-Dichlorobenzyl)-1H-benzo[d]imidazole (CAS 154660-96-5)
- (1S)-1-(1-Methylimidazol-2-yl)ethanol (CAS 1568062-65-6)
- (2,4,6-Trioxo-1,3,5-triazinane-1,3,5-triyl)-tris(ethane-2,1-diyl) triacrylate (CAS 67893-00-9)
- 2-[3-(3,5-dimethyl-1h-pyrazol-4-yl)adamantan-1-yl]acetic acid (CAS 512809-80-2)
- (4-Bromo-2-fluorophenyl)(4-methoxybenzyl)sulfane (CAS 1020253-12-6)
- 6,6-Dimethyl-3-azabicyclo[3.1.0]Hexane-2-carboxylic acid (CAS 1822435-58-4)
- 5,6-Bis(phenylamino)isoindoline-1,3-dione (CAS 145915-58-8)
- Methyl 2-Amino-3,6-dimethoxybenzoate, 97% (CAS 208986-13-4)
- 3-(4-(Methylthio)phenyl)-1-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-90-1)
- Neuropeptide K, porcine (CAS 106441-70-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com