(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-chloro-2-fluorophenyl)propanoic acid CAS 1998676-43-9
| CAS No. | 1998676-43-9 |
| Molecular Formula | C24H19ClFNO4 |
| Molecular Weight | 439.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-chloro-2-fluorophenyl)propanoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-chloro-2-fluorophenyl)propanoic acid (CAS 1998676-43-9) is a high-purity analytical reference standard with the molecular formula C24H19ClFNO4 and a molecular weight of 439.86 g/mol.
Based on its molecular formula C24H19ClFNO4, (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-chloro-2-fluorophenyl)propanoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 439.86 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).
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 | C24H19ClFNO4 |
| Molecular Weight | 439.86 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.) | 1996 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3-chloro-5-fluorophenyl)propanoic acid (CAS 1998650-51-3)
- Fmoc-(2-F,3-Cl)-L-Phe (CAS 2002450-83-9)
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-chloro-3-fluorophenyl)propanoic acid (CAS 1629658-27-0)
- 1,2-Dibromo-1,2,3,3,3-pentafluoro-1-(2,2,3,3,3-pentafluoropropoxy)propane (CAS 396716-50-0)
- 2-Amino-2-{1,4-dioxaspiro[4.5]decan-8-yl}acetic acid (CAS 1219354-44-5)
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- 2-(5-Methylthiophen-2-yl)propanenitrile (CAS 1103628-10-9)
- Dopamine Impurity 87 HCI (CAS 88408-41-7；102851-70-7（free base）)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com