1,2-Dichloro-3,3-Difluorobutane CAS 381-85-1
| CAS No. | 381-85-1 |
| Molecular Formula | C4H6Cl2F2 |
| Molecular Weight | 162.99 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.
1,2-Dichloro-3,3-Difluorobutane (CAS 381-85-1) is a high-purity analytical reference standard with the molecular formula C4H6Cl2F2 and a molecular weight of 162.99 g/mol.
Based on its molecular formula C4H6Cl2F2, 1,2-Dichloro-3,3-Difluorobutane contains fluorine/chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 162.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 1,2-Dichloro-3,3-Difluorobutane 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 | C4H6Cl2F2 |
| Molecular Weight | 162.99 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) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl-containing |
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