1-Amino-2-methyl-4-(p-tolylamino)anthracene-9,10-dione CAS 116-77-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 116-77-8 |
| Molecular Formula | C22H18N2O2 |
| Molecular Weight | 342.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Amino-2-methyl-4-(p-tolylamino)anthracene-9,10-dione (CAS 116-77-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H18N2O2. Molecular weight: 342.39 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H18N2O2 |
| Molecular Weight | 342.39 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Benzenesulfonic Acid Impurity 4 (CAS 116-50-7)
- 4-[2-(Dimethylamino)-2-[(4Z)-5-oxo-2-phenyl-4,5-dihydro-1,3-oxazol-4-ylidene]ethyl]piperazine-1-carbaldehyde (CAS 1164466-65-2)
- Methyl (2E)-3-(dimethylamino)-2-{(4Z)-4-[(dimethylamino)methylene]-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl}acrylate (CAS 1152430-03-9)
- 3-Methyl-4-(p-tolylthio)isoxazolo[5,4-d]pyrimidine (CAS 478044-98-3)
- Tert-butyl 7-bromo-3,4-dihydro-1,8-naphthyridine-1(2H)-carboxylate (CAS 1375301-99-7)
- Sincalide (CAS 25126-32-3)
- 2-(Ethylamino)-5-fluorobenzonitrile (CAS 115661-85-3)
- 5-Iodo-6-amino-1,2-benzopyrone (CAS 137881-27-7)
- 1-Benzyl-4-(benzylsulfanyl)phthalazine (CAS 338404-39-0)
- Insulin Degludec Impurity 3 (CAS CATO-C4X-21573)
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