4,5-Bis(dicyclohexylphosphino)-9,9-dimethyl-9H-xanthene CAS 940934-47-4
| 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
The occurrence of 4,5-Bis(dicyclohexylphosphino)-9,9-dimethyl-9H-xanthene is closely related to organophosphorus functionality, a hydroxyl group, an ether linkage, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4,5-Bis(dicyclohexylphosphino)-9,9-dimethyl-9H-xanthene (CAS 940934-47-4), a certified reference material (molecular formula C39H58OP2, MW 604.82 g/mol) for analytical method development and quality control.
Owing to organophosphorus functionality, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 4,5-Bis(dicyclohexylphosphino)-9,9-dimethyl-9H-xanthene is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 604.82 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,5-Bis(dicyclohexylphosphino)-9,9-dimethyl-9H-xanthene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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
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- 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)
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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)
- Isoginsenoside Rh3 (CAS 166040-90-0)
- 4-(3,4-Dimethoxyphenyl)-2-(thiophene-2-amido)thiophene-3-carboxylic acid (CAS 851722-02-6)
- Ginsenoside Rg3 (CAS 14197-60-5)
- Boc-D-Tic-OH (CAS 11592-35-1)
- 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)
- 6-Amino-5,7-dibromo-2H-chromen-2-one (CAS 866475-81-2)
- Methyl 5-amino-2-methoxy-4-methylbenzoate (CAS 70752-21-5)
- Neuropeptide W-23 (rat) (CAS 383415-89-2)
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