1,4-Dihydroxy-5,8-bis(p-tolylamino)anthraquinone CAS 23941-48-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 23941-48-2 |
| Molecular Formula | C28H22N2O4 |
| Molecular Weight | 450.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 1,4-Dihydroxy-5,8-bis(p-tolylamino)anthraquinone (CAS 23941-48-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C28H22N2O4. Molecular weight: 450.49 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C28H22N2O4 |
| Molecular Weight | 450.49 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.) | 1963 |
| Nitrogen Atoms | 2 |
Related Dihydroxy Standards
- 1,2-Dihydroxy-5,8-bis(p-tolylamino)anthracene-9,10-dione (CAS 6636-38-0)
- 1,5-Dihydroxy-4,8-bis(p-tolylamino)anthracene-9,10-dione (CAS 20241-75-2)
- 17,21-Dihydroxy-pregn-5-ene-3,11,20-trione 3,20-Diethylene Ketal (CAS 101524-47-4)
- 17,21-Dihydroxy-pregn-4-ene-3,11,20-trione 3,20-diethylene ketal (CAS 881179-77-7)
- 2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-3-methoxy-8-((E)-3-methyl-but-2-enyl)-6-(3-methyl-but-2-enyl)-1-benzopyran-4-one 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-methoxy-6,8-bis(3-methylbut-2-enyl)chromen-4-one 99217-70-6 Broussoflavanol B (CAS 99217-70-6)
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Recommended Standards
- 1,5-Bis((4-methoxyphenyl)amino)anthracene-9,10-dione (CAS 2944-16-3)
- (S)-2-(2-((R)-2-Amino-3-methylbutanamido)acetamido)-5-guanidino-N-(4-nitrophenyl)pentanamide (CAS 80798-23-8)
- 1,5-Bis(benzylamino)-4,8-dihydroxyanthracene-9,10-dione (CAS 82701-87-9)
- 5-Methyl-3-(3-phenoxyphenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 1326815-36-4)
- bicyclo[2.2.1]hept-5-ene-2-sulfonamide (CAS 7167-08-0)
- N-(2,3-Dichlorophenyl)-2-{[3-({[(2,3-dichlorophenyl)carbamoyl]methyl}sulfanyl)propyl]sulfanyl}acetamide (CAS 301193-94-2)
- 1,4,5,8-Tetraamino-2,7-bis(3-butylphenoxy)anthracene-9,10-dione (CAS 88600-72-0)
- (R)-3,3'-Bis(1-naphthyl)-5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2,2'-naphthol (CAS 1205537-79-6)
- 4-Methoxy-2-methyl-5-nitroaniline (CAS 123343-96-4)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
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