Adapalene EP Impurity B CAS 1346599-76-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1346599-76-5 |
| Molecular Formula | C28H28O4 |
| Molecular Weight | 428.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Adapalene EP Impurity B (CAS 1346599-76-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H28O4. Molecular weight: 428.52 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H28O4 |
| Molecular Weight | 428.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature, 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Adapalene Standards
- Adapalene Impurity 5 (CAS 106685-41-0)
- Adapalene-d6 (CAS CATO-C4X-180918)
- Adapalene Impurity 12 (CAS 1063712-23-1)
- Adapalene Impurity 13 (CAS 106685-43-2)
- Adapalene (CAS 106685-40-9)
- Adapalene Impurity 16 (CAS CATO-C4X-180916)
- Adapalene EP Impurity D (CAS 932033-57-3)
- Adapalene Impurity 10 (CAS 161912-38-5)
Recommended Standards
- Prednisolone Impurity 29 (CAS 106822-21-3)
- Neostigmine impurity 39 (CAS CATO-C4X-204239)
- Beclometasone Dipropionate Monohydrate EP Impurity V (CAS 205105-83-5)
- Nintedanib Impurity 56 (CAS CATO-C4X-181456)
- Cefaclor Impurity 28 (CAS CATO-C4X-127028)
- Ethyl 5-(2,4-Difluorophenyl)isoxazole-3-carboxylate (CAS 934188-80-4)
- Cesium(I) Bis(trifluoromethanesulfonyl)imide (CAS 91742-16-4)
- 4-(1,1-Dimethylpropyl)cyclohexanamine (CAS 208941-83-7)
- 1092295-92-5 7-Amino-3-cyclopropyl-4-oxo-1,4-dihydropyrazolo[5,1-c][1,2,4]triazine-8-carbonitrile MFCD11108302 (CAS 1092295-92-5)
- Semaglutide impurity 27 (CAS CATO-C4X-222627)
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