4,5-Dibromo-2-ethyl-1H-imidazole CAS 4002-82-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4002-82-8 |
| Molecular Formula | C5H6Br2N2 |
| Molecular Weight | 253.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dibromo-2-ethyl-1H-imidazole (CAS 4002-82-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H6Br2N2. Molecular weight: 253.92 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H6Br2N2 |
| Molecular Weight | 253.92 g/mol |
| Appearance | 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- 3,5-Dibromo-1,4-dimethyl-1H-pyrazole (CAS 134589-54-1)
- 3,5-Dibromo-1-ethyl-1H-pyrazole (CAS 1596745-76-4)
- 4,5-Dibromo-1,2-dimethyl-1H-imidazole (CAS 16954-05-5)
- 2,4-Dibromo-1,5-dimethyl-1H-imidazole (CAS 850429-57-1)
- 2,5-Dibromo-1,4-dimethyl-1H-imidazole (CAS 850429-58-2)
- 3,4-Dibromo-1,5-dimethyl-1h-pyrazole (CAS 5775-95-1)
- 4,5-Dibromo-1,3-dimethyl-1H-pyrazole (CAS 5744-71-8)
- 1,3-Dibromo-5-fluorobenzene (CAS 1435-51-4)
Recommended Standards
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- Methyl 2-amino-2-(2,3-dihydro-1H-inden-2-yl)acetate hydrochloride (CAS 155172-72-8)
- (((1-Ethynylcyclopropyl)methoxy)methyl)benzene (CAS 2068725-75-5)
- N-((5-bromopyridin-3-yl)methyl)ethanamine (CAS 1152850-79-7)
- 1-(3-Chloro-2-methylphenyl)-2,2,3,3,3-pentafluoropropan-1-one (CAS 1352210-01-5)
- 4-Bromo-1-(2-methoxyphenyl)pyridin-2(1h)-one (CAS 1822826-89-0)
- Semaglutide impurity 22(OtBu-Ste-γGlu(OtBu)-AEEA-AEEA-OH) (CAS 1118767-16-0)
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