(4R, 2S)-4-Hydroxy-1-(9-phenyl-9H-fluoren-9-yl)-proline Methyl Ester CAS 179990-59-1
| CAS No. | 179990-59-1 |
| Molecular Formula | C25H23NO3 |
| Molecular Weight | 385.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 385.46 g/mol gives (4R, 2S)-4-Hydroxy-1-(9-phenyl-9H-fluoren-9-yl)-proline Methyl Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(4R, 2S)-4-Hydroxy-1-(9-phenyl-9H-fluoren-9-yl)-proline Methyl Ester (CAS 179990-59-1) is a high-purity analytical reference standard with the molecular formula C25H23NO3 and a molecular weight of 385.46 g/mol.
(4R, 2S)-4-Hydroxy-1-(9-phenyl-9H-fluoren-9-yl)-proline Methyl Ester (C25H23NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4R, 2S)-4-Hydroxy-1-(9-phenyl-9H-fluoren-9-yl)-proline Methyl Ester 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 | C25H23NO3 |
| Molecular Weight | 385.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Nitrogen Atoms | 1 |
Recommended Standards
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