3,5-Dibromo-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine CAS 204693-22-1
| CAS No. | 204693-22-1 |
| Molecular Formula | C24H19Br2NO5 |
| Molecular Weight | 561.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 561.22 g/mol gives 3,5-Dibromo-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3,5-Dibromo-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine (CAS 204693-22-1), a certified reference material (molecular formula C24H19Br2NO5, MW 561.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C24H19Br2NO5, 3,5-Dibromo-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 561.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 3,5-Dibromo-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-tyrosine 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 | C24H19Br2NO5 |
| Molecular Weight | 561.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 2015 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromo Standards
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Recommended Standards
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,5-dibromo-4-hydroxyphenyl)propanoic acid (CAS 201484-26-6)
- Dotinurad Impurity 113 (CAS CATO-C4X-2494113)
- [(1R,2S,4S,5S)-4-[2-Iodo-6-(methylamino)-9H-purin-9-yl]-2-(phosphonooxy)bicyClo[3.1.0]hex-1-yl]methyl dihydrogen phosphate (CAS 779323-43-2)
- 1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-N-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)-1H-pyrrole-2-carboxamide (CAS 338397-67-4)
- Simethicone (CAS 8050-81-5)
- Ethyl 3-((((benzyloxy)amino)methylene)amino)-4-(dimethylamino)thieno[2,3-b]pyridine-2-carboxylate (CAS 341967-23-5)
- Methyl 4-acetamido-5-iodo-2-methoxybenzoate (CAS 201214-53-1)
- 5-{[2-(Allyloxy)-1-naphthyl]methylene}-1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione (CAS 321432-16-0)
- 2-Ethyl-2-methacryloyloxyadamantane(stabilizedwithMEHQ) (CAS 209982-56-9)
- 3-Bromoisoquinoline (CAS 34784-02-6)
- Tert-butyl 2-(bromomethyl)-4,4-difluoropyrrolidine-1-carboxylate (CAS 1824340-43-3)
- 2-(2-(Tert-butylamino)-2-oxoethoxy)benzamide (CAS 923122-03-6)
- 3-Fluoro-4-((3-formylphenoxy)methyl)benzonitrile (CAS 1016797-05-9)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
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