7,7-dibromodispiro[2.0.2⁴.1³]heptane CAS 50874-21-0
| CAS No. | 50874-21-0 |
| Molecular Formula | C7H8Br2 |
| Molecular Weight | 251.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
7,7-dibromodispiro[2.0.2⁴.1³]heptane (CAS 50874-21-0), molecular formula C7H8Br2 and molecular weight 251.95 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H8Br2, 7,7-dibromodispiro[2.0.2⁴.1³]heptane contains bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 251.95 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).
CATO manufactures 7,7-dibromodispiro[2.0.2⁴.1³]heptane 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 | C7H8Br2 |
| Molecular Weight | 251.95 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Br-containing |
Related dibromodispiro Standards
Recommended Standards
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