(S)-Fmoc-2-Amino-5-(3,4-dichlorophenyl)pentanoic acid CAS 2350690-24-1
| CAS No. | 2350690-24-1 |
| Molecular Formula | C26H23Cl2NO4 |
| Molecular Weight | 484.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 484.37 g/mol gives (S)-Fmoc-2-Amino-5-(3,4-dichlorophenyl)pentanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(S)-Fmoc-2-Amino-5-(3,4-dichlorophenyl)pentanoic acid (CAS 2350690-24-1) is a high-purity analytical reference standard with the molecular formula C26H23Cl2NO4 and a molecular weight of 484.37 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, (S)-Fmoc-2-Amino-5-(3,4-dichlorophenyl)pentanoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 484.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), (S)-Fmoc-2-Amino-5-(3,4-dichlorophenyl)pentanoic 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.
Physical & Chemical Properties
| Molecular Formula | C26H23Cl2NO4 |
| Molecular Weight | 484.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related S Standards
- (R)-Fmoc-2-Amino-5-(2,4-dichlorophenyl)pentanoic acid (CAS 2349593-81-1)
- (S)-Fmoc-2-Amino-5-(2,6-dichlorophenyl)pentanoic acid (CAS 2349562-40-7)
- Fmoc-Phe-OSu (CAS 101214-43-1)
- Fmoc-Phe-Pro-OH (CAS 138372-76-6)
- Fmoc-Pro-Phe-OH (CAS 120943-07-9)
- Fmoc-Ser(tBu)-Bt (CAS 1126433-40-6)
- Fmoc-Tyr(PO3H2)-OH (CAS 147762-53-6)
- Fmoc-Hph(2-OCF3)-OH (CAS 1260611-80-0)
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