(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-bromo-1H-indol-3-yl)propanoic acid CAS 460751-66-0
| CAS No. | 460751-66-0 |
| Molecular Formula | C26H21BrN2O4 |
| Molecular Weight | 505.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-bromo-1H-indol-3-yl)propanoic acid (CAS 460751-66-0), a certified reference material (molecular formula C26H21BrN2O4, MW 505.36 g/mol) for analytical method development and quality control.
Structurally, (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(5-bromo-1H-indol-3-yl)propanoic acid (C26H21BrN2O4) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 505.36 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C26H21BrN2O4 |
| Molecular Weight | 505.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(7-bromo-1H-indol-3-yl)propanoic acid (CAS 1219370-30-5)
- Fmoc-5-bromo-DL-tryptophan (CAS 925939-82-8)
- (1E)-1-{2-[4-(benzyloxy)phenoxy]phenyl}-N-(4-iodophenyl)methanimine (CAS 477887-05-1)
- Fmoc-6-bromo-DL-tryptophan (CAS 753504-16-4)
- 2-(Ethylamino)-1-phenylpropan-1-ol (CAS 18259-40-0)
- N-Ethyl-1-methylcyclohexanamine (CAS 807262-72-2)
- 2-(6-Bromo-5-methyl-2,4-dioxo-1,2-dihydrothieno[2,3-d]pyrimidin-3(4H)-yl)-2-methylpropanoic acid (CAS 1434651-13-4)
- Ethyl 2-(difluoromethyl)-6-(4-fluorophenyl)nicotinate (CAS 1707735-34-9)
- Rocuronium Impurity 48 (CAS CATO-C4X-124248)
- 2'-Chloro-6-fluoro-4'-methyl-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261978-73-7)
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- 6-Methoxy-1,2-dihydropyrido[2,3-b]pyrazin-3(4H)-one (CAS 1073633-84-7)
- C-Type Natriuretic Peptide (32-53) (human, porcine, rat) (CAS 127869-51-6)
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