3-(4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)phenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid CAS 351208-71-4
| CAS No. | 351208-71-4 |
| Molecular Formula | C29H30N2O6 |
| Molecular Weight | 502.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)phenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 351208-71-4), molecular formula C29H30N2O6 and molecular weight 502.56 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C29H30N2O6, 3-(4-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)phenyl)-2-((tert-butoxycarbonyl)amino)propanoic 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 502.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C29H30N2O6 |
| Molecular Weight | 502.56 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.) | 2025 |
| Nitrogen Atoms | 2 |
Related H Standards
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Recommended Standards
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(4-(((tert-butoxycarbonyl)amino)methyl)phenyl)acetic acid (CAS 205049-68-9)
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- Methyl (2S)-5-{[(benzyloxy)carbonyl]amino}-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}pentanoate (CAS 1820574-38-6)
- 5-(2,5-Dimethoxyphenyl)-3-hydroxy-4-(4-isopropoxy-2-methylbenzoyl)-1-(pyridin-3-ylmethyl)-1H-pyrrol-2(5H)-one (CAS 385385-72-8)
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