| CAS No. | 1969288-64-9 |
| Molecular Formula | C5H8Br2 |
| Molecular Weight | 227.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 227.93 g/mol gives rac-(1R,2S)-2-bromo-1-(bromomethyl)-1-methylcyclopropane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
rac-(1R,2S)-2-bromo-1-(bromomethyl)-1-methylcyclopropane (CAS 1969288-64-9), molecular formula C5H8Br2 and molecular weight 227.93 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to bromine substitution, rac-(1R,2S)-2-bromo-1-(bromomethyl)-1-methylcyclopropane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 227.93 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C5H8Br2 |
| Molecular Weight | 227.93 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Br-containing |