4,5-Diamino-1,8-dihydroxy-2,7-diisobutylanthracene-9,10-dione CAS 76643-49-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 76643-49-7 |
| Molecular Formula | C22H26N2O4 |
| Molecular Weight | 382.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Diamino-1,8-dihydroxy-2,7-diisobutylanthracene-9,10-dione (CAS 76643-49-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H26N2O4. Molecular weight: 382.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H26N2O4 |
| Molecular Weight | 382.45 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 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 2 |
Related Diamino Standards
- 1,4-Diamino-6-chloro-2-(3-fluorophenoxy)anthracene-9,10-dione (CAS 88605-20-3)
- 1,4-Diamino-7-chloro-2-(3-fluorophenoxy)anthracene-9,10-dione (CAS 88605-30-5)
- 1,4-Diamino-7-chloro-2-(4-fluorophenoxy)anthracene-9,10-dione (CAS 88605-31-6)
- 5,5'-(4,4'-Diamino-[1,1'-biphenyl]-3,3'-diyl)dipentanoic acid (CAS 35400-51-2)
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Recommended Standards
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- 3-Hydroxy-1-(1-trityl-1H-imidazol-4-yl)propan-1-one (CAS 426219-42-3)
- 2-Amino-N-(3-hydroxybutyl)acetamide hydrochloride (CAS 1220037-43-3)
- Tert-butyl (s)-3-(2,2-dioxido-1,4-dihydro-3h-benzo[c][1,2,6]thiadiazin-3-yl)pyrrolidine-1-carboxylate (CAS 1389310-31-9)
- 2-(Difluoromethyl)pyridine-3-carboxamide (CAS 1803997-98-9)
- 5-(5-Fluoro-2-methoxyphenyl)nicotinaldehyde (CAS 887973-71-9)
- 1-(1H-1,2,4-triazol-1-yl)butan-2-one (CAS 1249221-66-6)
- 6-Bromo-2-fluoropyrazolo[1,5-a]pyrimidine (CAS 2086191-11-7)
- Tirzepatide Impurity 48 (CAS CATO-C4X-324048)
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