5,8-Dibromo-2,3-bis(4-methoxyphenyl)quinoxaline CAS 162967-90-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 162967-90-0 |
| Molecular Formula | C22H16Br2N2O2 |
| Molecular Weight | 500.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,8-Dibromo-2,3-bis(4-methoxyphenyl)quinoxaline (CAS 162967-90-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H16Br2N2O2. Molecular weight: 500.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H16Br2N2O2 |
| Molecular Weight | 500.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
- N-(2,6-Dibromo-4-methylphenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618413-57-3)
- 6,8-Dibromo-2-{2-[(3-methoxyphenyl)methoxy]phenyl}quinoline (CAS 860784-20-9)
- 2,6-Dibromo-4-(2,6-dibromophenoxy)phenol (CAS 1622183-96-3)
- 4,9-Dibromo-6,7-diphenyl-[1,2,5]thiadiazolo[3,4-g]quinoxaline (CAS 1262727-09-2)
- 4-((3,5-Dibromo-2-hydroxybenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497922-03-9)
- 2,4-Dibromo-6-{[(5-iodo-3-methylpyridin-2-yl)amino]methyl}phenol (CAS 672949-84-7)
- 3,4-Dibromo-1-trityl-1H-pyrrole-2,5-dione (CAS 160989-35-5)
- 6,8-Dibromo-2-(4-(phenylsulfonyl)phenyl)quinoline (CAS 861210-54-0)
Recommended Standards
- N-(4-Bromophenyl)-1-[2,4-dichloro-5-(2-methoxyethoxy)phenyl]-5-methyl-1H-1,2,4-triazole-3-carboxamide (CAS 400088-25-7)
- 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-Hexadecafluorononyl methacrylate (CAS 1841-46-9)
- ((2R,3R,4S,5R)-4-Fluoro-3-hydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl tetrahydrogen triphosphate (CAS 79551-89-6)
- 2-Azaspiro[3.4]octan-6-one (CAS 2077964-92-0)
- 3-((Benzyloxy)methyl)-5-oxopyrrolidine-3-carbonitrile (CAS 2306263-72-7)
- 2-Amino-1-(3-bromophenyl)ethanol;hydrochloride (CAS 14615-28-2)
- 3-Methyl-2-(pyridin-3-yl)butanamide (CAS 1376361-76-0)
- 4'-(1,3-Dioxolan-2-yl)[1,1'-biphenyl]-4-ol (CAS 283147-92-2)
- 3-(Difluoromethyl)-4-ethoxy-2-fluorophenol (CAS 667899-92-5)
- Neuroendocrine Regulatory Peptide-1 (rat) (CAS 954420-51-0)
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