4-Bromo-2,5-dichlorophenol CAS 1940-42-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1940-42-7 |
| Molecular Formula | C6H3BrCl2O |
| Molecular Weight | 241.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2,5-dichlorophenol (CAS 1940-42-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H3BrCl2O. Molecular weight: 241.90 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H3BrCl2O |
| Molecular Weight | 241.90 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl/Br-containing |
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Recommended Standards
- 4-Bromo-3,5-dichlorophenol (CAS 1940-28-9)
- 4-Bromo-2,3-dichlorophenol (CAS 1940-44-9)
- 5-Bromo-2,4-dichlorophenol (CAS 183803-12-5)
- K,Na,Ca,Mg,Cu,Fe,Zn,P,I,Cl In Milk (CAS CATO-CCRM104017)
- 5-(2-Bromophenyl)thiazol-2-amine (CAS 1378873-73-4)
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