4,4'-Bi(1,2-naphthoquinone) CAS 64517-67-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 64517-67-5 |
| Molecular Formula | C20H10O4 |
| Molecular Weight | 314.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-Bi(1,2-naphthoquinone) (CAS 64517-67-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H10O4. Molecular weight: 314.29 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H10O4 |
| Molecular Weight | 314.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
Related Bi Standards
Recommended Standards
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- 3,7-Dihydroxy-3',4'-dimethoxyflavone (CAS 93322-61-3)
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- 3-amino-3-(3,4-dichloro-phenyl)-propionic acid (CAS 117391-57-8)
- 6-Chloro-2-(chloromethyl)-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 87779-02-0)
- Methyl 6-methoxy-4-oxo-1,4-dihydroquinoline-7-carboxylate (CAS 863786-19-0)
- 1,8-Dimethoxy-9,10-bis(phenylethynyl)anthracene (CAS 80034-24-8)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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