rel-((1R,2R,5S)-2-Isopropyl-5-methylcyclohexyl)diphenylphosphane CAS 32511-22-1
| CAS No. | 32511-22-1 |
| Molecular Formula | C22H29P |
| Molecular Weight | 324.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
rel-((1R,2R,5S)-2-Isopropyl-5-methylcyclohexyl)diphenylphosphane (CAS 32511-22-1), molecular formula C22H29P and molecular weight 324.44 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to organophosphorus functionality, a polycyclic aromatic system, rel-((1R,2R,5S)-2-Isopropyl-5-methylcyclohexyl)diphenylphosphane is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 324.44 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
As a certified reference material (CRM), rel-((1R,2R,5S)-2-Isopropyl-5-methylcyclohexyl)diphenylphosphane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C22H29P |
| Molecular Weight | 324.44 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
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- 4'-(2-Fluorophenyl)-1'H-[1,3'-bipyrrole]-2'-carboxylic acid (CAS 1708013-26-6)
- Insulin Degludec Impurity 19 (CAS CATO-C4X-215719)
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