(3S)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(4-cyanophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270065-90-2 Fmoc-(S)-3-Amino-4-(4-cyanophenyl)-butyric acid CAS 270065-90-2
| CAS No. | 270065-90-2 |
| Molecular Formula | C26H22N2O4 |
| Molecular Weight | 426.46 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.
(3S)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(4-cyanophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270065-90-2 Fmoc-(S)-3-Amino-4-(4-cyanophenyl)-butyric acid (CAS 270065-90-2), molecular formula C26H22N2O4 and molecular weight 426.46 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C26H22N2O4, (3S)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(4-cyanophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270065-90-2 Fmoc-(S)-3-Amino-4-(4-cyanophenyl)-butyric 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 426.46 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).
CATO manufactures (3S)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(4-cyanophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270065-90-2 Fmoc-(S)-3-Amino-4-(4-cyanophenyl)-butyric 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.
Physical & Chemical Properties
| Molecular Formula | C26H22N2O4 |
| Molecular Weight | 426.46 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related S Standards
- (3R)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3R)-4-(4-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3R)-4-(4-cyanophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 269726-87-6 Fmoc-(R)-3-Amino-4-(4-cyanophenyl)-butyric acid (CAS 269726-87-6)
- (3S)-4-(3-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(3-cyanophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(3-cyanophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270065-87-7 Fmoc-(S)-3-Amino-4-(3-cyanophenyl)-butyric acid (CAS 270065-87-7)
- N-(2-Cyanophenyl)-2-(4-oxo-3-phenyl-2-(phenylimino)thiazolidin-5-yl)acetamide (CAS 302804-55-3)
- ethyl 3-(4-cyanophenyl)-1-(iodomethyl)-2-oxabicyclo[2.2.2]octane-4-carboxylate (CAS 2742660-97-3)
- 5'-(4-Cyanophenyl)-2',4',6'-trimethyl-[1,1':3',1''-terphenyl]-4,4''-dicarbonitrile (CAS 2278192-35-9)
- N-(4-cyanophenyl)-3-(thiophen-2-yl)-6-(trifluoromethyl)thieno[3,2-b]pyridine-2-carboxamide (CAS 477845-19-5)
- 2-((2-Cyanophenyl)sulfonyl)-N-(3-(trifluoromethyl)phenyl)benzamide (CAS 477885-97-5)
- N-(3-Cyanophenyl)-2-((3-(4-phenylpiperazin-1-yl)pyrazin-2-yl)thio)acetamide (CAS 1031965-86-2)
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- 4-(Hydrazinecarbonyl)benzamide (CAS 22590-92-7)
- Cycloguanil Embonate (CAS 609-78-9)
- 4-Acetamidotetrahydro-2h-thiopyran-4-carboxylic acid 1,1-dioxide (CAS 1344241-27-5)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
Why CATO?
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