(1S,2S)-1,2-Bis(methyl(phenyl)phosphino)benzene CAS 72150-63-1
| CAS No. | 72150-63-1 |
| Molecular Formula | C20H20P2 |
| Molecular Weight | 322.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 322.32 g/mol gives (1S,2S)-1,2-Bis(methyl(phenyl)phosphino)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(1S,2S)-1,2-Bis(methyl(phenyl)phosphino)benzene (CAS 72150-63-1), molecular formula C20H20P2 and molecular weight 322.32 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (1S,2S)-1,2-Bis(methyl(phenyl)phosphino)benzene (C20H20P2) contains organophosphorus functionality, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 322.32 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 (1S,2S)-1,2-Bis(methyl(phenyl)phosphino)benzene 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 | C20H20P2 |
| Molecular Weight | 322.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1977 |
Recommended Standards
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- (2,5-Difluoro-4-methylphenyl)methanol (CAS 252004-43-6)
- 4-Bromo-2-(cyclopentyloxy)pyridine (CAS 1209460-15-0)
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