6-Bromo-4H-imidazo[4,5-β]pyridine CAS 28279-49-4
| CAS No. | 28279-49-4 |
| Molecular Formula | C6H4BrN3 |
| Molecular Weight | 198.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H4BrN3, 6-Bromo-4H-imidazo[4,5-β]pyridine contains a nitrile group, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 198.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
6-Bromo-4H-imidazo[4,5-β]pyridine (CAS 28279-49-4) is a high-purity analytical reference standard with the molecular formula C6H4BrN3 and a molecular weight of 198.02 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 6-Bromo-4H-imidazo[4,5-β]pyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H4BrN3 |
| Molecular Weight | 198.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1965 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 2-Bromo-[1,2,4]triazolo[1,5-a]pyridine (CAS 1021019-03-3)
- 7-Bromo-[1,2,4]triazolo[1,5-a]pyridine (CAS 1053655-66-5)
- 6-Bromo-1,2-benzisoxazole (CAS 1060802-88-1)
- 7-Bromo-[1,2,3]triazolo[1,5-a]pyridine (CAS 107465-26-9)
- 6-Bromo-[1,2,4]triazolo[4,3-a]pyridine (CAS 108281-79-4)
- 4-Bromo-1H-imidazo[4,5-c]pyridine (CAS 1086398-12-0)
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- 5-Bromo-4-methylpyrimidine-2-carbonitrile (CAS 114969-80-1)
Recommended Standards
- 6-Bromo[1,2,4]triazolo[1,5-α]pyridine (CAS 356560-80-0)
- 6-Bromo-7H-pyrrolo[2,3-d]pyrimidine (CAS 89280-82-0)
- 6-Amino-5-bromonicotinonitrile (CAS 477871-32-2)
- 6-Bromobenzo[d]oxazole (CAS 375369-14-5)
- 5-Bromo-4-fluoro-2-methoxyaniline (CAS 1397237-98-7)
- 3-Ethoxy-N-((5-methylfuran-2-yl)methyl)propan-1-amine (CAS 937657-25-5)
- 3-(1-Carbamoyl-5-ethyl-3-methyl-1H-pyrazol-4-yl)propanoic acid (CAS 90208-55-2)
- 1-(Boc-amino)cyclopentanecarboxylic Acid (CAS 35264-09-6)
- 3-(3,5-Dimethyl-isoxazol-4-yl)-benzoic acid (CAS 1032938-26-3)
- Rel-(1R,5R)-6-hydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-one (CAS 258887-45-5)
- 4-Fluoro-1-nitro-2-thiocyanatobenzene (CAS 2149591-20-6)
- 2-Bromo-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)ethan-1-one (CAS 175205-89-7)
- 3-(Cyclohexylmethyl)-5-((2,5-dichlorobenzyl)thio)-8,9-dimethoxyimidazo[1,2-c]quinazolin-2(3H)-one (CAS 920529-91-5)
- Endo-Ala35-Tirzepatide (CAS CATO-CPTD788687)
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