N-Nitroso Cyproheptadine impurity 17 CAS 3979-11-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 3979-11-1 |
| Molecular Formula | C20H18N2O |
| Molecular Weight | 302.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
N-Nitroso Cyproheptadine impurity 17 (CAS 3979-11-1) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H18N2O. Molecular weight: 302.37 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H18N2O |
| Molecular Weight | 302.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related N Standards
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- N-Nitroso Bupropion 3,4-Dichloro Impurity 63 (CAS CATO-C4X-120363)
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- N-Nitroso Vilazodone Impurity 11 (CAS 2512217-82-0)
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- {2-nitroso-1-[4-(trifluoromethoxy)phenyl]prop-1-en-1-yl}(propoxy)amine (CAS 1807938-69-7)
Recommended Standards
- Ambrisentan Impurity 2 (CAS 1639429-81-4)
- Doxylamine Impurity 6 (CAS 105176-70-3)
- Vildagliptin Impurity 65 (CAS CATO-C4X-110065)
- Paroxetine Impurity 53 (CAS 109887-53-8)
- Atosiban Impurity 4 (CAS 2381861-04-5)
- 4-Ethoxy-n-{2-[2-methyl-5-(trifluoromethoxy)-1h-indol-3-yl]ethyl}benzene-1-sulfonamide (CAS 681844-04-2)
- rel-(5R,6S)-5-Methoxy-4-oxaspiro[2.5]octan-6-ol (CAS 1412808-15-1)
- 4-(2-Methyl-1,3-dithiolan-2-yl)phenyl 4-chlorobenzenesulfonate (CAS 331460-99-2)
- N-(5-Amino-2-fluorophenyl)-2-[2-(tert-butyl)-phenoxy]acetamide (CAS 1020053-99-9)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
Why CATO?
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