Efinaconazole Impurity 19 CAS 164650-45-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 164650-45-7 |
| Molecular Formula | C18H22F2N4O |
| Molecular Weight | 348.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Efinaconazole Impurity 19 (CAS 164650-45-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H22F2N4O. Molecular weight: 348.39 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H22F2N4O |
| Molecular Weight | 348.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Efinaconazole Standards
- Efinaconazole Impurity 18 (CAS 2055038-61-2)
- Efinaconazole Impurity 20 (CAS 2055038-60-1)
- Efinaconazole Impurity 23 (CAS CATO-C4X-124323)
- Efinaconazole Impurity 39 (CAS 2122222-10-8)
- Efinaconazole (CAS 164650-44-6)
- Efinaconazole Impurity 13 (CAS CATO-C4X-124313)
- Efinaconazole Impurity 40 (CAS 161287-08-7)
- Efinaconazole impurity 52 (CAS CATO-C4X-124352)
Recommended Standards
- Terbutaline impurity 101 (CAS 1226543-90-3)
- 2-[(3-{[(2-Methoxyethyl)amino]carbonyl}anilino)-carbonyl]cyclohexanecarboxylic acid 3809AF 940478-36-4 C18H24N2O5 (CAS 940478-36-4)
- 59979-57-6 Propanoic acid,2-methyl-,(3aR,4R,6R,9R,10Z,11aR)-2,3,3a,4,5,6,9,11a-octahydro-9-hydroxy-6,10-dimethyl-3-methylene-2-oxo-6,9-epoxycyclodeca[b]furan-4-ylester (CAS 59979-57-6)
- Sofosbuvir Impurity 103 (CAS CATO-C4X-1052103)
- Tetracycline EP Impurity B (CAS 6542-44-5)
- Benzyl ((1-(2-aminoethyl)piperidin-3-yl)methyl)(isopropyl)carbamate (CAS 1353967-91-5)
- Calcitonin Impurity 19 (CAS CATO-C4X-221819)
- tert-Butyl cyclopropylsulfonylcarbamate (CAS 681808-26-4)
- 5-Amino-6-chloro-3-methylpyrimidin-4(3H)-one (CAS 63291-60-1)
- HA Peptide (CAS 92000-76-5)
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