Fmoc-D-Leu-Ser(psi(Me,Me)pro)-OH CAS CATO-CPTD788891
| CAS No. | CATO-CPTD788891 |
| Molecular Formula | C27H32N2O6 |
| Molecular Weight | 480.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Fmoc-D-Leu-Ser(psi(Me,Me)pro)-OH (CAS CATO-CPTD788891) is a high-purity analytical reference standard with the molecular formula C27H32N2O6 and a molecular weight of 480.55 g/mol.
Based on its molecular formula C27H32N2O6, Fmoc-D-Leu-Ser(psi(Me,Me)pro)-OH contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 480.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C27H32N2O6 |
| Molecular Weight | 480.55 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
Related Fmoc Standards
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- 2-(Fmoc-amino)-2-(1-Boc-4-piperidyl)acetic Acid (CAS 313051-96-6)
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- N-Fmoc-L-Gly(piperidyl-4-Boc)-OH (CAS 204058-24-2)
- Fmoc-Ile-Ser(Psi(Me,Me)pro)-OH (CAS 1147996-34-6)
- Fmoc-Leu-Ser(Psi(Me,Me)pro)-OH (CAS 339531-50-9)
- Fmoc-β-Ala-Hyp(tBu)-OH (CAS CATO-CPTD788495)
- Fmoc-Leu-D-Ser(psi(Me,Me)pro)-OH (CAS CATO-CPTD789004)
Recommended Standards
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- 2-Butylidenehydrazinecarboxamide (CAS 13183-21-6)
- Ethyl 2-[1-(2,4-difluorophenyl)-1H-pyrazol-5-yl]-3-phenylpropanoate (CAS 477710-92-2)
- 4-Methoxybenzyl Isothiocyanate (CAS 3694-57-3)
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