Fmoc-D-Orn(Aloc)-OH CAS 214750-74-0
| CAS No. | 214750-74-0 |
| Molecular Formula | C24H26N2O6 |
| Molecular Weight | 438.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Fmoc-D-Orn(Aloc)-OH (C24H26N2O6) contains a flavonoid 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).
Fmoc-D-Orn(Aloc)-OH (CAS 214750-74-0) is a high-purity analytical reference standard with the molecular formula C24H26N2O6 and a molecular weight of 438.47 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C24H26N2O6 |
| Molecular Weight | 438.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2018 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Carbomethoxycarbonyl-DPro-DPhe-OBzl (CAS 129988-00-7)
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- Fmoc-β-(2-quinolyl)-Ala-OH (CAS 214852-56-9)
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- 2-Chloro-5-(2,5-dichlorophenyl)isonicotinic acid (CAS 1261987-43-2)
- 3-(3,4-Dimethoxyphenyl)-N-(2-(2-methyl-1H-indol-1-yl)ethyl)acrylamide (CAS 1164541-81-4)
- BMS 299897 (CAS 290315-45-6)
- N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(2-hydroxyethyl)-N-methyl-L-serine (CAS 2255322-15-5)
- HARMALINE HCL DIHYDRATE (CAS 6027-98-1)
- 1,2,4,5-Tetrahydrospiro[1,4-benzodiazepine-3,1'-cyclohexane]-2,5-dione (CAS 1429900-99-1)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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