N5-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N2-[(phenylmethoxy)carbonyl]-L-ornithine CAS 201048-68-2
| CAS No. | 201048-68-2 |
| Molecular Formula | C28H28N2O6 |
| Molecular Weight | 488.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N5-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N2-[(phenylmethoxy)carbonyl]-L-ornithine (C28H28N2O6) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
N5-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N2-[(phenylmethoxy)carbonyl]-L-ornithine (CAS 201048-68-2) is a high-purity analytical reference standard with the molecular formula C28H28N2O6 and a molecular weight of 488.53 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures N5-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N2-[(phenylmethoxy)carbonyl]-L-ornithine 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 | C28H28N2O6 |
| Molecular Weight | 488.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 2 |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com