(3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(4-bromophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270062-86-7 Fmoc-(S)-3-Amino-4-(4-bromophenyl)-butyric acid CAS 270062-86-7
| CAS No. | 270062-86-7 |
| Molecular Formula | C25H22BrNO4 |
| Molecular Weight | 480.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(4-bromophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270062-86-7 Fmoc-(S)-3-Amino-4-(4-bromophenyl)-butyric acid is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(4-bromophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270062-86-7 Fmoc-(S)-3-Amino-4-(4-bromophenyl)-butyric acid (CAS 270062-86-7), molecular formula C25H22BrNO4 and molecular weight 480.35 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution, (3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(4-bromophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270062-86-7 Fmoc-(S)-3-Amino-4-(4-bromophenyl)-butyric acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 480.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), (3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butanoic acid (3S)-4-(4-bromophenyl)-3-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid (3S)-4-(4-bromophenyl)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]butanoic acid 270062-86-7 Fmoc-(S)-3-Amino-4-(4-bromophenyl)-butyric 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 | C25H22BrNO4 |
| Molecular Weight | 480.35 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.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related S Standards
- 2-((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(m-tolyl)acetamide (CAS 477329-12-7)
- 2-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(m-tolyl)acetamide (CAS 477330-36-2)
- N-(2-Bromophenyl)-2-((5-(pyridin-4-yl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477318-72-2)
- N-(3-Bromophenyl)-2-((5-(pyridin-4-yl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477318-70-0)
- 8-(4-Bromophenyl)-hexahydro-4-pentyl-4H-benzo[ij]cyclopenta[b]quinolizine-2-carboxylic acid (CAS 312713-60-3)
- 4-(3,5-Bis(4-bromophenyl)-4,5-dihydro-1h-pyrazol-1-yl)-4-oxobutanoic acid (CAS 313967-96-3)
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Recommended Standards
- Fmoc-(S)-3-Amino-4-(2-bromo-phenyl)-butyric acid (CAS 403661-79-0)
- 2-{N-[5-(benzyloxy)-2,4-dichlorophenyl]4-methylbenzenesulfonamido}acetic acid (CAS 338961-73-2)
- Fmoc-(R)-3-amino-4-(4-bromophenyl)butyric acid (CAS 331763-76-9)
- 4-Bromo-3-oxo-1-trityl-2,3-dihydro-1H-indazole-5-carbonitrile (CAS 2756657-94-8)
- (5-(4-Chlorophenyl)-1H-1,2,4-triazol-3-yl)(4-fluorophenyl)methanamine (CAS 1707566-70-8)
- Desipramine Impurity 1 (CAS 1977-15-7)
- Higenamine-d4 Hydrochloride (CAS CATO-CCPE902252)
- Ethyl 3-azabicyclo[3.1.0]hexane-1-carboxylate (CAS 63618-09-7)
- 2,5-Diphenyl-1H-pyrrole-3-carbonitrile (CAS 67421-66-3)
- 4-((Piperidin-1-ylsulfonyl)methyl)benzonitrile (CAS 1029603-11-9)
- 4,6-Dichloro-2-methylpyridazin-3(2H)-one (CAS 6885-89-8)
- 3-methyl-5-(trifluoromethyl)-4,5-dihydroisoxazol-5-ol (CAS 51479-84-6)
- 2-(5-Pyrimidinyl)phenol (CAS 18313-50-3)
- 149471-11-4 Neuropeptide DF2 L-Phenylalaninamide, L-alpha-aspartyl-L-arginyl-L-asparaginyl-L-phenylalanyl-L-leucyl-L-arginyl- Asp-arg-asn-phe-leu-arg-phe-NH2 Aspartyl-arginyl-asparaginyl-phenylalanyl-leucyl-arginyl-phenylalaninamide L-alpha-Aspartyl-L-arginyl-L-asparaginyl-L-phenylalanyl-L-leucyl-L-arginyl-L-phenylalaninamide DF(2) Neuropeptide Drnflrfamide (CAS 149471-11-4)
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