7-Bromo-5H-pyrrolo[2,3-b]pyrazine-3-carbonitrile CAS 2781103-87-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2781103-87-3 |
| Molecular Formula | C7H3BrN4 |
| Molecular Weight | 223.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 7-Bromo-5H-pyrrolo[2,3-b]pyrazine-3-carbonitrile (CAS 2781103-87-3) pharmaceutical standards reference standard. Molecular formula: C7H3BrN4. Molecular weight: 223.03 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H3BrN4 |
| Molecular Weight | 223.03 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Bromo Standards
- 5-Bromo-7H-pyrrolo[2,3-d]pyrimidine-4-carbonitrile (CAS 1168106-92-0)
- 3-bromo-2-isocyanatobenzonitrile (CAS 1261508-23-9)
- 3-Bromo-1h-pyrazolo[4,3-b]pyridine-6-carbonitrile (CAS 1352397-49-9)
- 7-Bromo-1H-benzo[d][1,2,3]triazole-5-carbonitrile (CAS 1423037-37-9)
- 4-Bromo-2-cyanobenzo[d]oxazole (CAS 1806517-33-8)
- 3-Bromo-1H-pyrazolo[4,3-b]pyridine-5-carbonitrile (CAS 2091782-13-5)
- 3-Bromo-1H-pyrazolo[4,3-c]pyridine-6-carbonitrile (CAS 2416819-60-6)
- 5-Bromo-2-hydroxyisophthalonitrile (CAS 62936-64-5)
Recommended Standards
- 6-Chloro-2-fluoro-3-methoxybenzoyl chloride (CAS 886499-63-4)
- 8-Bromo[1,2,4]triazolo[1,5-a]pyridine-2-carbonitrile (CAS 2091049-26-0)
- 5-Bromopyrrolo[2,1-f][1,2,4]triazine-2-carbonitrile (CAS 2091536-75-1)
- 1-Ethoxy-3-fluoro-5-methoxybenzene (CAS 2432848-79-6)
- 3-Cyano-3-(4-methoxyphenyl)propanoic acid (CAS 32856-74-9)
- 1-((2,5-Dimethylbenzyl)amino)-2-methylpropan-2-ol (CAS 1368966-29-3)
- 2-(3-(Cyclopropyl(methyl)amino)pyrrolidin-1-yl)acetic acid (CAS 1353960-91-4)
- Nitenpyram-13C3-15N2 (CAS CATO-CCPD102478)
- 64882-52-6 1-(1H-1,2,4-Triazol-1-yl)propan-2-one DTXSID00512219 (CAS 64882-52-6)
- Calcitonin C-Terminal Flanking Peptide (human) XTFA (CAS 85916-47-8（free base）)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com