7-Methoxy-2,3-diphenylpyrazino[2,3-b]quinoxaline CAS 18216-57-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18216-57-4 |
| Molecular Formula | C23H16N4O |
| Molecular Weight | 364.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Methoxy-2,3-diphenylpyrazino[2,3-b]quinoxaline (CAS 18216-57-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C23H16N4O. Molecular weight: 364.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C23H16N4O |
| Molecular Weight | 364.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 4 |
Related Methoxy Standards
- Ethyl (6-methoxy-4-phenylquinoline-2-carbonyl)glycinate (CAS 1451566-78-1)
- Methyl 4-[(2-methoxy-2-oxoethyl)sulfanyl]-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate (CAS 338396-09-1)
- 2-Methoxy-4-nitro-5-(2,2,2-trifluoroacetamido)phenyl pivalate (CAS 660870-17-7)
- 3-(4-Methoxy-benzyloxy)-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzonitrile (CAS 2377609-88-4)
- N-[3-methoxy-5-(trifluoromethyl)phenyl]-N'-(1,2,2-trichlorovinyl)urea (CAS 648408-33-7)
- 8-Methoxy-N-(4-(trifluoromethoxy)phenyl)-2H-chromene-3-carboxamide (CAS 338759-91-4)
- 4-Methoxy-N-(6-methyl-4-oxothiochroman-3-yl)benzenesulfonamide (CAS 866144-21-0)
- Ethyl 2-((5-methoxy-4-(3-nitrophenoxy)pyrimidin-2-yl)thio)acetate (CAS 338423-44-2)
Recommended Standards
- N-Carbamimidoyl-8-(2-methoxyethoxy)-2-phenylquinoline-4-carboxamide (CAS 181048-36-2)
- Pafuramidine (CAS 186953-56-0)
- (S)-3-(4-(3-azidopropoxy)phenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 1499284-82-0)
- 2-(Cyclopropylmethoxy)-3-methoxyphenol (CAS 1243345-92-7)
- 6-(Trifluoromethyl)phthalazin-1(2H)-one (CAS 2060027-59-8)
- Formic Acid Isopropyl Ester (CAS 625-55-8)
- L-Ornithine-d6 Hydrochloride (CAS 347841-40-1)
- (1Z)-N'-Hydroxy-2-(methylthio)ethanimidamide (CAS 104608-67-5)
- 2-Amino-3,4-dimethylpyridine (CAS 823-39-2)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
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