Bambuterol EP Impurity F CAS 112935-94-1
| CAS No. | 112935-94-1 |
| Molecular Formula | C18H27N3O5 |
| Molecular Weight | 365.42 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.
As a process- or degradation-related impurity, Bambuterol EP Impurity F (CAS 112935-94-1, C18H27N3O5) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C18H27N3O5, Bambuterol EP Impurity F contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 365.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C18H27N3O5 |
| Molecular Weight | 365.42 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
Related Bambuterol Standards
- Bambuterol impurity 13 (CAS 81732-65-2)
- Bambuterol Impurity 9 (CAS CATO-C4X-27469)
- Bambuterol Impurity N1 (CAS 81732-49-2)
- Bambuterol Impurity 11 (CAS CATO-C4X-274611)
- Bambuterol Impurity 10 (CAS CATO-C4X-274610)
- Bambuterol Impurity 4 (CAS CATO-C4X-27464)
- Bambuterol Impurity 3 (CAS CATO-C4X-27463)
- Bambuterol EP Impurity B (CAS 112935-92-9)
Recommended Standards
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- Nequinate (CAS 13997-19-8)
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- Memantine impurity 50 (CAS CATO-C4X-105850)
- Atrasentan Impurity 60 (CAS 1072963-94-0)
- Dotinurad Impurity 255 (CAS CATO-C4X-2494255)
- 2-(((4-Vinylbenzyl)oxy)methyl)oxirane (CAS 113538-80-0)
- tert-Butyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-1-carboxylate (CAS 1370616-23-1)
- 1-(2-Amino-1-(3-chlorophenyl)ethyl)-4-(trifluoromethyl)piperidin-4-ol oxalate (CAS 1185048-58-1)
- Methyl 2-(4-methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetate (CAS 944317-65-1)
- Thiophene,3,4-diethynyl- (9CI) (CAS 138354-60-6)
- H-D-β-HoPhe(2,4-DiCl)-OH (CAS 269396-52-3)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
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