1,3-Dibromo-1,1-difluorobutane CAS 406-42-8
| CAS No. | 406-42-8 |
| Molecular Formula | C4H6Br2F2 |
| Molecular Weight | 251.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to fluorine/bromine substitution, 1,3-Dibromo-1,1-difluorobutane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 251.90 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.
CATO supplies 1,3-Dibromo-1,1-difluorobutane (CAS 406-42-8), a certified reference material (molecular formula C4H6Br2F2, MW 251.90 g/mol) for analytical method development and quality control.
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), 1,3-Dibromo-1,1-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 | C4H6Br2F2 |
| Molecular Weight | 251.90 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) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Br-containing |
Related Dibromo Standards
- 2,3-Dibromo-5-vinylfuran (CAS 1340198-30-2)
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- 4,5-Dibromo-2-methylpyrimidine (CAS 1422714-81-5)
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- 2,5-Dibromo-4-methylpyrimidine (CAS 171408-73-4)
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Recommended Standards
- 5-Bromo-2,6-dichloronicotinonitrile (CAS 1823375-18-3)
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- 2-(2,2-Dibromovinyl)furan (CAS 100074-10-0)
- (±)-1-Amino-2-propanol-1,1,2,3,3,3-d6 (CAS 1219795-13-7)
- 7-Chloro-3-methoxyquinoline (CAS 1965260-57-4)
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- (S)-4,4-Difluoropyrrolidine-2-carboxamide Trifluoroacetate (CAS 1448440-46-7)
- 4-Cyclopropoxy-5-isopropyl-N-methylnicotinamide (CAS 1243315-75-4)
- Bmy-25271 (CAS 78441-82-4)
- 1-Butyl-2,4,6-triphenylpyridin-1-ium tetrafluoroborate (CAS 66310-04-1)
- Ceritinib Impurity 2 (CAS 861343-73-9)
- (Des-Thr7)-Glucagon trifluoroacetate salt (CAS 1802078-28-9)
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