4,5-Bis(dicyclohexylphosphino)-9,9-dimethyl-9H-xanthene CAS 940934-47-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 940934-47-4 |
| Molecular Formula | C39H58OP2 |
| Molecular Weight | 604.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Bis(dicyclohexylphosphino)-9,9-dimethyl-9H-xanthene (CAS 940934-47-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C39H58OP2. Molecular weight: 604.82 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C39H58OP2 |
| Molecular Weight | 604.82 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Bis Standards
- [1,2-Bis(dicyclohexylphosphino)ethane]palladium(II) chloride (CAS 96165-44-5)
- 5-(Dicyclohexylphosphino)-1′,3′,5′-triphenyl-1′<I>H</I>-[1,4′]bipyrazole (CAS 1021176-69-1)
- 2-[1,3-Bis(dicyclohexylphosphino)-1H-inden-2-yl]-N,N-dimethylbenzenamine (CAS 1651150-93-4)
- (+)-5,5'-Bis(dicyclohexylphosphino)-4,4'-bibenzo[d][1,3]dioxole (CAS 210169-52-1)
- 2,2'-Bis((dicyclohexylphosphino)methyl)-1,1'-biphenyl (CAS 192866-64-1)
- 2,2'-Bis(dicyclohexylphosphino)-1,1'-binaphthalene (CAS 213774-71-1)
- [1,2-Bis(dicyclohexylphosphino)ethane]dichloronickel (CAS 96555-88-3)
- 2,2'-Bis(dicyclohexylphosphino)biphenyl (CAS 255897-36-0)
Recommended Standards
- (S)-2-Amino-N-((3R,4S,5S)-1-((S)-2-((1R,2R)-3-(((1S,2R)-1-hydroxy-1-phenylpropan-2-yl)amino)-1-methoxy-2-methyl-3-oxopropyl)pyrrolidin-1-yl)-3-methoxy-5-methyl-1-oxoheptan-4-yl)-N,3-dimethylbutanamide (CAS 1438852-38-0)
- Gamithromycin Impurity 1 (CAS 1797448-01-1)
- 3,6,10,11-Tetrakis(pentyloxy)triphenylene-2,7-diol (CAS 102737-76-8)
- 4-(3,4-Dimethoxyphenyl)-2-(thiophene-2-amido)thiophene-3-carboxylic acid (CAS 851722-02-6)
- Ginsenoside Rg3 (CAS 14197-60-5)
- 2-(4-Iodophenyl)isoindoline-1,3-dione (CAS 54376-74-8)
- 4-Amino-5-methyl-2,3-dihydroisoindol-1-one (CAS 348165-76-4)
- 2-(Methylthio)-N-(2-(methylthio)benzo[d]thiazol-6-yl)benzamide (CAS 896343-68-3)
- Erlotinib Impurity 24 (CAS 134690-40-7)
- Neuropeptide W-23 (rat) (CAS 383415-89-2)
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