| CAS No. | 1661884-13-4 |
| Molecular Formula | C39H53P |
| Molecular Weight | 552.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Dicyclohexyl(2',4',6'-triisopropyl-[1,1':3',1''-terphenyl]-2-yl)phosphine (CAS 1661884-13-4), molecular formula C39H53P and molecular weight 552.81 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C39H53P, Dicyclohexyl(2',4',6'-triisopropyl-[1,1':3',1''-terphenyl]-2-yl)phosphine contains organophosphorus functionality, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 552.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO manufactures Dicyclohexyl(2',4',6'-triisopropyl-[1,1':3',1''-terphenyl]-2-yl)phosphine 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.
| Molecular Formula | C39H53P |
| Molecular Weight | 552.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |