Efinaconazole Impurity 34 CAS 135270-08-5
| CAS No. | 135270-08-5 |
| Molecular Formula | C12H21NO4 |
| Molecular Weight | 243.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Efinaconazole Impurity 34 (CAS 135270-08-5) is a certified pharmaceutical impurity reference standard with the molecular formula C12H21NO4 and a molecular weight of 243.30 g/mol.
Based on its molecular formula C12H21NO4, Efinaconazole Impurity 34 contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 243.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
Physical & Chemical Properties
| Molecular Formula | C12H21NO4 |
| Molecular Weight | 243.30 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
Related Efinaconazole Standards
- Efinaconazole Impurity (CAS 909274-76-6)
- Efinaconazole Impurity 56 (CAS 86386-74-5)
- Efinaconazole Impurity 28 (CAS 63608-15-1)
- Efinaconazole Impurity 33 (CAS CATO-C4X-124333)
- Efinaconazole (2S,3R) epoxide, 98% (CAS 132563-77-0)
- Efinaconazole Impurity 14 (CAS 135270-10-9)
- Efinaconazole Impurity 15 (CAS 135270-07-4)
- Efinaconazole Impurity 16 (CAS CATO-C4X-124316)
Recommended Standards
- Isavuconazole Impurity 222 (CAS CATO-C4X-1236222)
- Phenylephrine Impurity 8 (CAS CATO-C4X-14678)
- Agomelatine (CAS 138112-76-2)
- Phenylephrine Impurity 90 (CAS CATO-C4X-146790)
- Metaraminol Impurity 39 (CAS CATO-C4X-225239)
- Resmetirom impurity 93 (CAS CATO-C4X-291293)
- Encorafenib Impurity 14 (CAS CATO-C4X-324914)
- 5-(1H-Imidazol-5-yl)pentan-1-amine (CAS 34973-91-6)
- 5-Bromo-2-methoxyresorcinol (CAS 133932-61-3)
- (S)-Etomidate EP Impurity A (CAS 56649-49-1)
- Potassium (4-chloro-2-methylphenyl)trifluoroborate (CAS 1620108-43-1)
- 1-[(3-Chlorophenyl)methyl]-2-oxo-5-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 338955-45-6)
- 2,6-Dibromodecahydro-2,8,4,6-(epibutane[1,2,3,4]tetrayl)naphthalene (CAS 30651-02-6)
- [Tyr0] Fibrinopeptide A, human (CAS 103226-11-5)
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 18665070610 / Nicole.chen@cato-chem.com