Terbinafine EP Impurity B CAS 78628-81-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 78628-81-6 |
| Molecular Formula | C21H25N |
| Molecular Weight | 291.43 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Terbinafine EP Impurity B (CAS 78628-81-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H25N. Molecular weight: 291.43 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H25N |
| Molecular Weight | 291.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 1 |
Related Terbinafine Standards
- Terbinafine EP Impurity C (CAS 187540-01-8)
- Terbinafine Impurity 51 (CAS CATO-C4X-133851)
- Terbinafine Impurity 52 (CAS 2416665-26-2)
- Terbinafine (CAS 91161-71-6)
- Terbinafine lmpurity 36 (CAS CATO-C4X-133836)
- Terbinafine EP Impurity D (CAS 151222-50-3)
- Terbinafine Impurity 31 (CAS CATO-C4X-133831)
- Terbinafine impurity 34 (CAS CATO-C4X-133834)
Recommended Standards
- 4-Diisopropylamino-2-phenyl-butyric acid ethyl ester (CAS 214601-79-3)
- Desocodeine (CAS 3990-01-0)
- 4-Allyl-5-(6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophen-3-yl)-4H-1,2,4-triazole-3-thiol (CAS 522597-60-0)
- Arotinolol Impurity 17 (CAS CATO-C4X-185417)
- Baricitinib Impurity 59 (CAS CATO-C4X-226059)
- rel-((3R,6R)-1-tert-butyl 3-methyl 6-methylpiperidine-1,3-dicarboxylate) (CAS 1009376-75-3)
- 3-(5-Chloro-6-(trifluoromethyl)pyridin-2-yl)propan-1-amine (CAS 1393546-84-3)
- 2-Amino-1-(2-((benzyl(cyclopropyl)amino)methyl)piperidin-1-yl)ethanone (CAS 1353975-97-9)
- 3,5-Dimethyl-4-methoxybenzoic Acid (CAS 21553-46-8)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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