5-Bromo-2,7-dichloro-1H-1,3-benzimidazole CAS 1388060-80-7
| CAS No. | 1388060-80-7 |
| Molecular Formula | C7H3BrCl2N2 |
| Molecular Weight | 265.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Bromo-2,7-dichloro-1H-1,3-benzimidazole (C7H3BrCl2N2) contains a nitrile group, chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 265.92 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Bromo-2,7-dichloro-1H-1,3-benzimidazole (CAS 1388060-80-7) is a high-purity analytical reference standard with the molecular formula C7H3BrCl2N2 and a molecular weight of 265.92 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C7H3BrCl2N2 |
| Molecular Weight | 265.92 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 DMSO, DMF, methanol |
| 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.) | 1991 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-Bromo-2,6-dichloro-1H-benzo[d]imidazole (CAS 1035390-50-1)
- 5-Bromo-2,4-dichloro-1H-1,3-benzimidazole (CAS 1388025-14-6)
- 7-Bromo-2,4-dichloro-1H-benzo[d]imidazole (CAS 1388030-79-2)
- 2-Bromo-4,7-dichloro-1H-benzo[d]imidazole (CAS 1388031-84-2)
- 5-Bromo-2,6-dichloro-1H-1,3-benzimidazole (CAS 1388070-64-1)
- 3-Bromo-4,6-dichloropyrazolo[1,5-a]pyridine (CAS 1427501-64-1)
- 2-bromo-5,7-dichloro-1H-benzimidazole (CAS 173460-77-0)
- 2-bromo-6,7-dichloro-1H-benzimidazole (CAS 173460-79-2)
Recommended Standards
- Chlorothalonil (CAS 1897-45-6)
- 4-Bromo-2,5-dichloro-1H-1,3-benzimidazole (CAS 1803901-91-8)
- Tetrachloroterephthalonitrile (CAS 1897-41-2)
- 3-Bromo-4,6-dichloro-1H-indazole (CAS 887568-12-9)
- (S)-1-(2-Bromo-5-methoxyphenyl)ethan-1-ol (CAS 366006-45-3)
- 3-(3-Methoxyphenoxy)phenol (CAS 122283-28-7)
- 5-(4-(Benzyloxy)-3-bromo-5-ethoxyphenyl)-1,3,4-oxadiazol-2-amine (CAS 1706439-80-6)
- 1-(4-Methyl-2-phenyloxazol-5-yl)ethanone (CAS 4620-51-3)
- (4-(tert-Butyl)phenyl)trichlorosilane (CAS 17886-89-4)
- Ethyl 1-ethoxy-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate (CAS 145325-80-0)
- n-(4-Cyanophenyl)-4-methylbenzenesulfonamide (CAS 56768-53-7)
- 2-Cyclopropyl-8-methylquinazolin-4(3H)-one (CAS 1416974-75-8)
- 2,3-Dichloro-1-methyl-4-(1H)-pyridone (CAS 1428234-62-1)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
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