(S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(4-chlorobenzyl)propanoic acid CAS 1260601-28-2
| CAS No. | 1260601-28-2 |
| Molecular Formula | C25H22ClNO4 |
| Molecular Weight | 435.90 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.
(S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(4-chlorobenzyl)propanoic acid (CAS 1260601-28-2) is a high-purity analytical reference standard with the molecular formula C25H22ClNO4 and a molecular weight of 435.90 g/mol.
Based on its molecular formula C25H22ClNO4, (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(4-chlorobenzyl)propanoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 435.90 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 | C25H22ClNO4 |
| Molecular Weight | 435.90 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(3-chlorobenzyl)propanoic acid (CAS 1260601-26-0)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(3-chlorophenyl)butanoic acid (CAS 1260608-41-0)
- (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2-chlorobenzyl)propanoic acid (CAS 1260591-38-5)
- N-Fmoc-4-chloro-L-homophenylalanine (CAS 1260608-62-5)
- 5-[(2-methylphenyl)amino]-5-oxopentanoic Acid (CAS 78648-34-7)
- (3-Aminooxan-3-yl)methanol (CAS 1343680-15-8)
- 6,8-Dimercapto-7H-purin-2-ol (CAS 91113-94-9)
- 3-(4-Fluorophenyl)-7-hydroxy-2h-chromen-2-one (CAS 549501-15-7)
- [3-(piperidin-1-ylmethyl)-1,2,4-oxadiazol-5-yl]methanamine dihydrochloride (CAS 1803593-96-5)
- 2-Chloro-7,8-dihydro-6H-pyrimido[5,4-b][1,4]oxazine (CAS 1303587-99-6)
- (1S,2R)-2-Aminocyclohexanol (CAS 108267-20-5)
- 3-(3-(Pyrimidin-2-yl)-1,2,4-oxadiazol-5-yl)propan-1-amine (CAS 1153462-60-2)
- (1R,2S)-2-(4-fluorobenzoyl)cyclopentane-1-carboxylic acid (CAS 733740-16-4)
- (Des-Thr7)-Glucagon trifluoroacetate salt (CAS 1802078-28-9)
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