1,5-Dihydroxy-4,8-bis(phenylamino)anthracene-9,10-dione CAS 25632-28-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25632-28-4 |
| Molecular Formula | C26H18N2O4 |
| Molecular Weight | 422.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,5-Dihydroxy-4,8-bis(phenylamino)anthracene-9,10-dione (CAS 25632-28-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H18N2O4. Molecular weight: 422.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C26H18N2O4 |
| Molecular Weight | 422.43 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
Related Dihydroxy Standards
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Recommended Standards
- (S)-11-DImethoxymethyl-4-ethyl-4-hydroxy-1,12-dihydro-4h-2-oxa-6,12a-diaza-dibenzo[b,h]fluorene-3,13-dione (CAS 84017-99-2)
- 1,4-Bis((4-hydroxyphenyl)amino)anthracene-9,10-dione (CAS 15939-83-0)
- 2,2'-(1,3-Phenylenedisulfonyl)bis(benzene-1,4-diol) (CAS 29624-68-8)
- 5-(Tert-butylthio)pyridin-2(1H)-one (CAS 1355237-38-5)
- 2-Methyl-2-((thiophen-3-ylmethyl)amino)propan-1-ol (CAS 892592-48-2)
- L-Arabinose hydrazone (CAS 816-01-3)
- Benvitimod impurity 9 (CAS CATO-C4X-24459)
- 4-Chloropyrazole-1-acetic Acid (CAS 32089-46-6)
- 4,6-Dichloro-1H-indole (CAS 101495-18-5)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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