| CAS No. | 2192306-77-5 |
| Molecular Formula | C29H17BrO |
| Molecular Weight | 461.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 461.35 g/mol gives 9-Bromospiro[benzo[c]fluorene-7,9'-xanthene] distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 9-Bromospiro[benzo[c]fluorene-7,9'-xanthene] (CAS 2192306-77-5), a certified reference material (molecular formula C29H17BrO, MW 461.35 g/mol) for analytical method development and quality control.
Based on its molecular formula C29H17BrO, 9-Bromospiro[benzo[c]fluorene-7,9'-xanthene] contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 461.35 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), 9-Bromospiro[benzo[c]fluorene-7,9'-xanthene] 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.
| Molecular Formula | C29H17BrO |
| Molecular Weight | 461.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Br-containing |