4,4′-Bis(diphenylphosphinyl)-2,2′,6,6′-tetramethoxy-3,3′-bipyridine CAS 220998-37-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 220998-37-8 |
| Molecular Formula | C38H34N2O6P2 |
| Molecular Weight | 676.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4′-Bis(diphenylphosphinyl)-2,2′,6,6′-tetramethoxy-3,3′-bipyridine (CAS 220998-37-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C38H34N2O6P2. Molecular weight: 676.63 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C38H34N2O6P2 |
| Molecular Weight | 676.63 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.) | 2020 |
| Nitrogen Atoms | 2 |
Related Bis Standards
- 3-Diphenylphosphinyl-9-(4'-diphenylphosphinylphenyl)carbazole (CAS 1226860-68-9)
- 1,8-Bis(diphenylphosphinyl)naphthalene (CAS 316808-41-0)
- (1R)-2′-(Diphenylphosphinyl)-N,N-dimethyl[1,1′-binaphthalen]-2-amine (CAS 216368-92-2)
- (R)-2'-(Diphenylphosphinyl)-[1,1'-binaphthalen]-2-ol (CAS 132548-91-5)
- (S)-2'-(Diphenylphosphinyl)-[1,1'-binaphthalen]-2-ol (CAS 137769-33-6)
- N-[(Diphenylphosphinyl)(4-fluorophenyl)methyl]benzenesulfonamide (CAS 305854-79-9)
- N-[(diphenylphosphinyl)methyl]-n-methylaniline (CAS 76527-75-8)
- 5-(Diphenylphosphinyl)pentanoic Acid (CAS 71140-70-0)
Recommended Standards
- Chitobiose Octaacetate (CAS 41670-99-9)
- Icariin (CAS 489-32-7)
- (2R,3R,4R,5S,6R)-3-acetamido-5-(((2S,3R,4R,5S,6R)-3-acetamido-4,5-diacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-6-(acetoxymethyl)tetrahydro-2H-pyran-2,4-diyl diacetate (CAS 7284-18-6)
- 3-(Cyclopropylmethoxy)-5-methoxybenzoic acid (CAS 1369862-57-6)
- 2-Hydrazinyl-4-(5-methylthiophen-2-yl)-6-(trifluoromethyl)pyrimidine (CAS 861432-48-6)
- 3-Chloro-5-fluoro-4-propoxyphenol (CAS 1881293-76-0)
- 4-Bromo-N-(2-(cyclohex-1-en-1-yl)ethyl)-2,5-dimethoxybenzenesulfonamide (CAS 898644-72-9)
- Benzenenonanal (CAS 221195-30-8)
- N-Phenyl-4-(3-phenylthioureido)benzenesulfonamide (CAS 245342-14-7)
- D-Gln19-Tirzepatide (CAS CATO-CPTD788915)
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