Fmoc-Orn(Dnp)-OH CAS 252049-04-0
| CAS No. | 252049-04-0 |
| Molecular Formula | C26H24N4O8 |
| Molecular Weight | 520.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Fmoc-Orn(Dnp)-OH is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Fmoc-Orn(Dnp)-OH (CAS 252049-04-0) is a high-purity analytical reference standard with the molecular formula C26H24N4O8 and a molecular weight of 520.49 g/mol.
Fmoc-Orn(Dnp)-OH (C26H24N4O8) contains a nitrogen-containing heterocyclic scaffold, 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. 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.
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 | C26H24N4O8 |
| Molecular Weight | 520.49 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Fmoc Standards
Recommended Standards
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- Tezacaftor (Racemate) (CAS 1226709-85-8)
- 4,4'-(4,4'-Isopropylidenediphenoxy)diphthalic Anhydride (CAS 38103-06-9)
- Tezacaftor Impurity C34 (CAS 1419101-35-1)
- 1-(3-(Ethylthio)pyridin-2-yl)ethan-1-one (CAS 1799326-03-6)
- 2-(Hydroxymethyl)-4,5-dimethylphenol (CAS 10496-92-1)
- tert-Butyl 4-(6-(trifluoromethyl)pyridin-3-yl)piperazine-1-carboxylate (CAS 1229627-83-1)
- Bis(5-ethyl-1H-pyrrol-2-yl)methanone (CAS 412022-35-6)
- 4-[2-(4-hydroxyphenyl)ethynyl]phenol (CAS 22608-45-3)
- Fluoxetine EP Impurity C HCl (CAS 79088-29-2)
- (R)-3-(4-(tert-Butyl)phenyl)piperazin-2-one (CAS 1228566-42-4)
- Methyl N-(2-methoxy-5-methylphenyl)-N-(phenylsulfonyl)glycinate (CAS 425415-72-1)
- (R)-2-amino-2-(2-bromo-3-methylphenyl)ethan-1-ol (CAS 1212857-72-1)
- Insulin Degludec Impurity 28 (CAS CATO-C4X-215728)
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