4-Bromo-2-chloro-6-methylphenyl isocyanate CAS 77159-77-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77159-77-4 |
| Molecular Formula | C8H5BrClNO |
| Molecular Weight | 246.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2-chloro-6-methylphenyl isocyanate (CAS 77159-77-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H5BrClNO. Molecular weight: 246.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H5BrClNO |
| Molecular Weight | 246.49 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
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- Methyl 2-cyclopropyl-4-(trifluoromethyl)benzoate (CAS 1236303-03-9)
- Diphenyl ((1H-benzo[d][1,2,3]triazol-1-yl)(4-chlorophenyl)methyl)phosphonate (CAS 676562-43-9)
- 1-Methyl-3-(4-nitrophenyl)benzene (CAS 952-21-6)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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