(R)-(2,2',6,6'-Tetramethoxy-[3,3'-bipyridine]-4,4'-diyl)bis(bis(3,5-dimethylphenyl)phosphine oxide) CAS 442905-30-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 442905-30-8 |
| Molecular Formula | C46H50N2O6P2 |
| Molecular Weight | 788.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (R)-(2,2',6,6'-Tetramethoxy-[3,3'-bipyridine]-4,4'-diyl)bis(bis(3,5-dimethylphenyl)phosphine oxide) (CAS 442905-30-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C46H50N2O6P2. Molecular weight: 788.85 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C46H50N2O6P2 |
| Molecular Weight | 788.85 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related R Standards
- 2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]-3,3',6,6'-tetracarboxylicacid (CAS 1801236-35-0)
- (2,5,6,11-tetramethoxy-3,7,9,15-tetramethyl-16,20,22-trioxo-17-azabicyclo[16.3.1]docosa-1(21),8,12,14,18-pentaen-10-yl) carbamate 70563-58-5 Antibiotic Tan 420F D07DIM Herbimycin Herbimycin A Herbimycin A from Streptomyces hygroscopicus [(2R,3S,5S,6R,7S,8E,10S,11S,12E,14E)-2,5,6,11-tetramethoxy-3,7,9,15-tetramethyl-16,20,22-trioxo-17-azabicyclo[16.3.1]docosa-1(21),8,12,14,18-pentaen-10-yl] carbamate [(2R,3S,5S,6R,7S,8E,10S,11S,12Z,14E)-2,5,6,11-tetramethoxy-3,7,9,15-tetramethyl-16,20,22-trioxo-17-azabicyclo[16.3.1]docosa-1(21),8,12,14,18-pentaen-10-yl] carbamate (CAS 70563-58-5)
- 2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]-3,3',6,6'-tetracarbaldehyde (CAS 1801236-33-8)
- 2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]-3,3',6,6'-tetracarbonitrile (CAS 1801236-34-9)
- 2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]-3,3',6,6'-tetraamine (CAS 1801236-36-1)
- 5-Oxo-1-[(2,3,6,7-tetramethoxy-9-phenanthrenyl)methyl-L-proline Methyl Ester (CAS 1203657-51-5)
- 5- Oxo- 1- [(2, 3, 6, 7- tetramethoxy- 9- phenanthrenyl) methyl] -L-proline (CAS 87227-00-7)
- 2,3,6,7-Tetramethoxy-9,9'-spirobi[fluorene] (CAS 821785-24-4)
Recommended Standards
- N,N'-[(1S,2S)-1,2-Diphenyl-1,2-ethanediyl]bis[2-diphenylphosphinobenzamide] (CAS 143668-57-9)
- Avatrombopag Impurity 60 (CAS CATO-C4X-223460)
- N,N'-[(1R,2R)-1,2-Diphenyl-1,2-ethanediyl]bis[2-diphenylphosphinobenzamide] (CAS 138517-62-1)
- 2-Chloro-5-iodo-3-nitrobenzoic acid (CAS 697762-27-9)
- 1-(1H-Benzo[d]imidazol-2-yl)propan-2-one (CAS 6635-14-9)
- Benzo[b]thieno[3,2-d]thiophene-2-carbaldehyde (CAS 31379-39-2)
- 2-(4,5,6-Trihydroxy-3-oxo-3h-xanthen-9-yl)-benzoic acid (CAS 518-41-2)
- Y5-OD (CAS 2471624-58-3)
- 1,4-Bis(4-bromophenoxy)butane (CAS 34932-24-6)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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 13829788188 / jacky.chen@cato-chem.com