rel-(1R,2R)-1-(Bromomethyl)-2-ethylcyclopropane CAS 2307782-57-4
| CAS No. | 2307782-57-4 |
| Molecular Formula | C6H11Br |
| Molecular Weight | 163.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including rel-(1R,2R)-1-(Bromomethyl)-2-ethylcyclopropane.
rel-(1R,2R)-1-(Bromomethyl)-2-ethylcyclopropane (CAS 2307782-57-4) is a high-purity analytical reference standard with the molecular formula C6H11Br and a molecular weight of 163.06 g/mol.
Structurally, rel-(1R,2R)-1-(Bromomethyl)-2-ethylcyclopropane (C6H11Br) contains bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 163.06 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.
As a certified reference material (CRM), rel-(1R,2R)-1-(Bromomethyl)-2-ethylcyclopropane 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 | C6H11Br |
| Molecular Weight | 163.06 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) | 1.0 |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Br-containing |
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