| CAS No. | 270596-45-7 |
| Molecular Formula | C27H25NO4 |
| Molecular Weight | 427.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
(E,3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-6-phenyl-hex-5-enoic acid (E,3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-6-phenylhex-5-enoic acid (E,3S)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]-6-phenyl-5-hexenoic acid 270596-45-7 Fmoc-(S)-3-Amino-(6-phenyl)-5-hexenoic acid (CAS 270596-45-7), molecular formula C27H25NO4 and molecular weight 427.49 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C27H25NO4, (E,3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-6-phenyl-hex-5-enoic acid (E,3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-6-phenylhex-5-enoic acid (E,3S)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]-6-phenyl-5-hexenoic acid 270596-45-7 Fmoc-(S)-3-Amino-(6-phenyl)-5-hexenoic acid 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 427.49 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.
As a certified reference material (CRM), (E,3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-6-phenyl-hex-5-enoic acid (E,3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-6-phenylhex-5-enoic acid (E,3S)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]-6-phenyl-5-hexenoic acid 270596-45-7 Fmoc-(S)-3-Amino-(6-phenyl)-5-hexenoic acid 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.
| Molecular Formula | C27H25NO4 |
| Molecular Weight | 427.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |