2,7-Bis(4-nitrophenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone CAS 332846-66-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 332846-66-9 |
| Molecular Formula | C26H12N4O8 |
| Molecular Weight | 508.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,7-Bis(4-nitrophenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (CAS 332846-66-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C26H12N4O8. Molecular weight: 508.40 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C26H12N4O8 |
| Molecular Weight | 508.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
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- 2-(5-(2-Nitrophenyl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-1-(10H-phenothiazin-10-yl)ethanone (CAS 78807-66-6)
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Recommended Standards
- Lornoxicam Impurity 32 (CAS CATO-C4X-201632)
- 3,7-Dibromo-5,5-dihexyl-5H-dibenzo[b,d]silole (CAS 852138-90-0)
- 3-Chloro-N-(4-(4-((4-chlorophenyl)sulfonyl)piperazin-1-yl)-3-fluorophenyl)benzamide (CAS 478079-25-3)
- N1,N1-dimethyl-N4-(pyridin-4-ylmethyl)benzene-1,4-diamine (CAS 52725-19-6)
- 3-Iodo-2,4-dimethylpyridine (CAS 29976-25-8)
- {2-[(3-ethylisoxazol-5-yl)methoxy]ethyl}amine,HCl (CAS 1431963-90-4)
- Z-Ala-Pro-OH (CAS 21027-01-0)
- 4-Methylsalicylaldehyde (CAS 698-27-1)
- 4-Amino-1,2,3,5,6,7-hexahydro-s-indacene (CAS 63089-56-5)
- Semaglutide Impurity 164 (CAS CATO-C4X-2226164)
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