N-Nitroso Fexofenadine EP Impurity E CAS 1038-06-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1038-06-8 |
| Molecular Formula | C18H20N2O2 |
| Molecular Weight | 296.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
N-Nitroso Fexofenadine EP Impurity E (CAS 1038-06-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C18H20N2O2. Molecular weight: 296.36 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H20N2O2 |
| Molecular Weight | 296.36 g/mol |
| Appearance | Pale yellow to 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related N Standards
- N-Nitroso Metoprolol (CAS 138768-62-4)
- N-Nitroso Ebastine EP Impurity C (CAS CATO-C4X-202923)
- N-Nitroso Voglibose (CAS CATO-C4X-178017)
- N-Nitroso-Voglibose (CAS CATO-C4X-178020)
- N-Nitroso Zidovudine (CAS CATO-C4X-178318)
- N-Nitroso Fentanyl EP Impurity J (CAS 1184873-13-9)
- N-Nitroso Ranolazine Impurity 16 (CAS CATO-C4X-102616)
- N-Nitroso Doxepin Impurity 13 (CAS CATO-C4X-122613)
Recommended Standards
- Ketoprofen EP Impurity L (Mixture of Enantiomer) (CAS 1797984-80-5)
- Fenbufen Impurity 5 (CAS CATO-C4X-19395)
- Mianserin Impurity 90 (CAS CATO-C4X-136990)
- Atorvastatin Cyclic Sodium Salt (Isopropyl) Impurity (CAS CATO-CP150633)
- Orlistat impurity 41 (CAS 68659-61-0)
- 1-Bromomethyl-o-carborane (CAS 19496-84-5)
- 1-(1,3,4-Thiadiazol-2-yl)azetidin-3-amine (CAS 1343676-60-7)
- 3-(6-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}pyridin-2-yl)-1-[3-(trifluoromethyl)phenyl]urea (CAS 477864-65-6)
- N-(3-Aminophenyl)-2-phenoxyacetamide (CAS 939230-93-0)
- Allo-D-Ile27-Tirzepatide (CAS CATO-CPTD788961)
Why CATO?
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