Fmoc-(S)-3-Amino-4-(2-bromo-phenyl)-butyric acid CAS 403661-79-0
| CAS No. | 403661-79-0 |
| Molecular Formula | C25H22BrNO4 |
| Molecular Weight | 480.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 480.35 g/mol gives Fmoc-(S)-3-Amino-4-(2-bromo-phenyl)-butyric acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Fmoc-(S)-3-Amino-4-(2-bromo-phenyl)-butyric acid (CAS 403661-79-0), a certified reference material (molecular formula C25H22BrNO4, MW 480.35 g/mol) for analytical method development and quality control.
Structurally, Fmoc-(S)-3-Amino-4-(2-bromo-phenyl)-butyric acid (C25H22BrNO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 480.35 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures Fmoc-(S)-3-Amino-4-(2-bromo-phenyl)-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 | 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 Fmoc Standards
- Fmoc-3-bromo-L-homophenylalanine (CAS 1260590-73-5)
- Fmoc-α-methyl-L-4-bromophenylalanine (CAS 1310680-28-4)
- Fmoc-a-methyl-D-4-bromophenylalanine (CAS 1310682-06-4)
- Fmoc-S-3-amino-4-(3-bromophenyl)-butyric acid (CAS 1956435-50-9)
- Fmoc-(R)-3-amino-4-(4-bromophenyl)butyric acid (CAS 331763-76-9)
- Fmoc-β-Ala-L-Glu(Oall)-OH (CAS CATO-CPTD788989)
- 1-Boc-(4-Fmoc-amino)azepane-4-carboxylicacid (CAS 889942-05-6)
- 2-(Fmoc-amino)-2-(1-Boc-4-piperidyl)acetic Acid (CAS 313051-96-6)
Recommended Standards
- (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)
- (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(2-bromophenyl)butanoic acid (CAS 788149-96-2)
- 2-{N-[5-(benzyloxy)-2,4-dichlorophenyl]4-methylbenzenesulfonamido}acetic acid (CAS 338961-73-2)
- 4-Bromo-3-oxo-1-trityl-2,3-dihydro-1H-indazole-5-carbonitrile (CAS 2756657-94-8)
- 4-(Trifluoromethyl)-1,4'-bipiperidine dihydrochloride (CAS 2306263-01-2)
- (S)-1-(p-tolyl)butan-1-amine (CAS 344794-57-6)
- N-Benzyl 2-bromobenzamide (CAS 82082-50-6)
- 3-Nitro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-sulfonyl chloride (CAS 1806758-72-4)
- 3-Fluoro-4-(hydrazinylmethyl)pyridine (CAS 1446357-93-2)
- 1-(3,5-Dichlorophenyl)-3-(4-methoxyphenyl)propan-1-one (CAS 898776-34-6)
- 2-(Tert-butyl)-4-fluorobenzo[d]thiazole (CAS 1188056-93-0)
- Methyl (1-(4-chlorophenyl)pent-4-en-2-yl)carbamate (CAS 18605-65-7)
- 2-Chloro-6-iodobenzo[d]oxazole (CAS 1804411-83-3)
- Liraglutide(13-31)TFA Salt (CAS CATO-C4X-19929)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com