| CAS No. | 553680-99-2 |
| Molecular Formula | C11H9BrN2O2 |
| Molecular Weight | 281.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 281.11 g/mol gives 5'-Bromo-2',3'-dihydrospiro[imidazolidine-4,1'-indene]-2,5-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5'-Bromo-2',3'-dihydrospiro[imidazolidine-4,1'-indene]-2,5-dione (CAS 553680-99-2), a certified reference material (molecular formula C11H9BrN2O2, MW 281.11 g/mol) for analytical method development and quality control.
Structurally, 5'-Bromo-2',3'-dihydrospiro[imidazolidine-4,1'-indene]-2,5-dione (C11H9BrN2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 281.11 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 5'-Bromo-2',3'-dihydrospiro[imidazolidine-4,1'-indene]-2,5-dione 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.
| Molecular Formula | C11H9BrN2O2 |
| Molecular Weight | 281.11 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |