2-Bromo-4-chlorodibenzo[b,d]furan CAS 1960445-63-9
| CAS No. | 1960445-63-9 |
| Molecular Formula | C12H6BrClO |
| Molecular Weight | 281.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 281.53 g/mol gives 2-Bromo-4-chlorodibenzo[b,d]furan distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-4-chlorodibenzo[b,d]furan (CAS 1960445-63-9), molecular formula C12H6BrClO and molecular weight 281.53 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2-Bromo-4-chlorodibenzo[b,d]furan (C12H6BrClO) is characterized by a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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.
Physical & Chemical Properties
| Molecular Formula | C12H6BrClO |
| Molecular Weight | 281.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
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- 1-Bromo-2-chlorodibenzo[b,d]furan (CAS 2320493-46-5)
- 1-Bromo-4-chlorodibenzo[b,d]furan (CAS 2252237-87-7)
- 1-Bromo-7-chlorodibenzo[b,d]furan (CAS 2173555-52-5)
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- 1-Bromo-9-chlorodibenzo[b,d]furan (CAS 2179279-83-3)
- 2-Bromo-6-chlorodibenzo[b,d]furan (CAS 2138490-84-1)
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- 4-Bromo-6-(difluoromethyl)-3-fluoropyridin-2-ol (CAS 1806050-63-4)
- 6-(Pentylthio)-9H-purine (CAS 5443-89-0)
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- Insulin Degludec Impurity 3 (CAS CATO-C4X-21573)
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