3-Bromo-5-methoxyimidazo[1,2-a]pyrazine CAS 91775-61-0
| CAS No. | 91775-61-0 |
| Molecular Formula | C7H6BrN3O |
| Molecular Weight | 228.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Bromo-5-methoxyimidazo[1,2-a]pyrazine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
3-Bromo-5-methoxyimidazo[1,2-a]pyrazine (CAS 91775-61-0), molecular formula C7H6BrN3O and molecular weight 228.05 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Bromo-5-methoxyimidazo[1,2-a]pyrazine (C7H6BrN3O) contains an amide group, a hydroxyl group, an ether linkage, 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 228.05 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.
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.
Physical & Chemical Properties
| Molecular Formula | C7H6BrN3O |
| Molecular Weight | 228.05 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.) | 1983 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromo Standards
- 6-Bromo-7-methylimidazo[4,5-b]pyridin-2(3H)-one (CAS 116035-72-4)
- 6-bromo-5-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (CAS 116035-73-5)
- 3-Bromo-6-methoxypyrazolo[1,5-b]pyridazine (CAS 1246552-73-7)
- 3-Bromo-6-methoxyimidazo[1,2-a]pyrazine (CAS 1276056-77-9)
- 3-Bromo-5-(1H-imidazol-1-yl)-1-methyl-1H-1,2,4-triazole (CAS 1279219-58-7)
- 6-Bromo-1-methyl-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (CAS 1289190-03-9)
- 3-Bromo-6-methoxypyrazolo[1,5-a]pyrimidine (CAS 1314893-99-6)
- (2-Bromo-5H-pyrrolo[2,3-b]pyrazin-7-yl)methanol (CAS 1334674-88-2)
Recommended Standards
- 3-Bromo-2-methoxypyrazolo[1,5-a]pyrimidine (CAS 2092566-15-7)
- 3-Bromo-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-4-carbonitrile (CAS 2379242-02-9)
- 3-Amino-5-bromo-6-methoxypicolinonitrile (CAS 2763158-06-9)
- 3-Bromo-6-methoxyimidazo[1,2-b]pyridazine (CAS 453548-63-5)
- 7-(3-Nitrophenyl)pyrazolo[1,5-a]pyrimidine (CAS 832740-68-8)
- N1-(1-Methyl-1H-benzo[d]imidazol-2-yl)ethane-1,2-diamine (CAS 139703-59-6)
- tert-Butyl 3-(2-oxo-2-(pyrrolidin-1-yl)ethoxy)piperidine-1-carboxylate (CAS 1279204-10-2)
- Dimethyl (2,4,6-triisopropylphenyl)boronate (CAS 145434-22-6)
- Ethyl 2-(5-bromo-2-cyano-4-nitrophenyl)acetate (CAS 1807021-22-2)
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- Fmoc-norArg(Mtr)-OH (CAS 1313054-68-0)
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