2-(2-Bromoethyl)-1,3-dithiolane CAS 312581-33-2
| CAS No. | 312581-33-2 |
| Molecular Formula | C5H9BrS2 |
| Molecular Weight | 213.16 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.
2-(2-Bromoethyl)-1,3-dithiolane (CAS 312581-33-2), molecular formula C5H9BrS2 and molecular weight 213.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(2-Bromoethyl)-1,3-dithiolane (C5H9BrS2) contains sulfur-containing functionality, 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 213.16 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.
As a certified reference material (CRM), 2-(2-Bromoethyl)-1,3-dithiolane 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 | C5H9BrS2 |
| Molecular Weight | 213.16 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.) | 2025 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
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