2,4-Dibromo-6-ethynylaniline CAS 543740-86-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 543740-86-9 |
| Molecular Formula | C8H5Br2N |
| Molecular Weight | 274.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dibromo-6-ethynylaniline (CAS 543740-86-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H5Br2N. Molecular weight: 274.94 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H5Br2N |
| Molecular Weight | 274.94 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 |
| 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.) | 1984 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 2-((3-(Butylcarbamoyl)phenyl)carbamoyl)benzoic acid (CAS 940488-50-6)
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- Methyl tert-butyl ether-<SUP>13</SUP>C<SUB>3</SUB> (CAS 1173023-78-3)
- N-((5-Methylthiophen-2-yl)methyl)-1H-tetrazol-5-amine (CAS 159709-13-4)
- Liraglutide (CAS 204656-20-2)
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