1-Bromo-3-(chloromethyl)bicyclo[1.1.1]Pentane CAS 137741-18-5
| CAS No. | 137741-18-5 |
| Molecular Formula | C6H8BrCl |
| Molecular Weight | 195.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Bromo-3-(chloromethyl)bicyclo[1.1.1]Pentane (CAS 137741-18-5) is a high-purity analytical reference standard with the molecular formula C6H8BrCl and a molecular weight of 195.48 g/mol.
Owing to chlorine/bromine substitution, 1-Bromo-3-(chloromethyl)bicyclo[1.1.1]Pentane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 195.48 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 1-Bromo-3-(chloromethyl)bicyclo[1.1.1]Pentane 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 | C6H8BrCl |
| Molecular Weight | 195.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl/Br-containing |
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