Papaverine EP Impurity F CAS 139-76-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 139-76-4 |
| Molecular Formula | C20H25NO5 |
| Molecular Weight | 359.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Papaverine EP Impurity F (CAS 139-76-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H25NO5. Molecular weight: 359.42 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H25NO5 |
| Molecular Weight | 359.42 g/mol |
| Appearance | Pale yellow to 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Papaverine Standards
- Papaverine EP Impurity B (Papaverinol) (CAS 482-76-8)
- Papaverine impurity 25 (CAS 33520-96-6)
- Papaverine EP Impurity D (Papaveraldine) (CAS 522-57-6)
- Papaverine impurity 24 (CAS 33490-73-2)
- Papaverine impurity 21 (CAS CATO-C4X-206721)
- Papaverine Impurity 26 (CAS CATO-C4X-206726)
- Papaverine Impurity 39 (CAS 75608-42-3)
- Papaverine Impurity 40 (CAS 361389-65-3)
Recommended Standards
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- Atracurium Impurity 113 (CAS CATO-C4X-1850113)
- 3-Hydroxy-2-isopropoxybenzenesulfonamide (CAS 1243457-69-3)
- 3-(Propan-2-yl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridin-6-amine (CAS 1258640-30-0)
- 2-(Bromomethyl)-6-(trifluoromethyl)pyridine (CAS 781637-62-5)
- 3-Amino-4-(1-ethyl-5-methyl-1h-pyrazol-4-yl)-6-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 1005566-12-0)
- His-Cyclic-Semaglutide (CAS CATO-C4X-2226182)
Why CATO?
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