Tadalafil Impurity 61 CAS 1370438-57-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1370438-57-5 |
| Molecular Formula | C19H17N3O3 |
| Molecular Weight | 335.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tadalafil Impurity 61 (CAS 1370438-57-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C19H17N3O3. Molecular weight: 335.36 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H17N3O3 |
| Molecular Weight | 335.36 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Tadalafil Standards
- Tadalafil Impurity 56 (CAS 406938-39-4)
- Tadalafil impurity 97 (CAS CATO-C4X-108797)
- Tadalafil Impurity 115 (CAS 1910845-11-2)
- Tadalafil Impurity 58 (CAS CATO-C4X-108758)
- Tadalafil Impurity 21 (CAS 951661-85-1)
- Tadalafil Impurity 23 (CAS 951661-82-8)
- Tadalafil Impurity 133 (CAS 171596-44-4)
- Tadalafil Impurity 134 (CAS 171596-43-3)
Recommended Standards
- tert-Butyl 4-(4-nitrobenzoyl)piperazine-1-carboxylate (CAS 509073-62-5)
- Famciclovir Impurity 22 (CAS CATO-C4X-164222)
- tert-Butyl 4-(4-formyl-3-nitrophenyl)-piperazine-1-carboxylate (CAS 904896-12-4)
- Atracurium Impurity 83 (CAS CATO-C4X-185083)
- Gefitinib impurity 66 (CAS CATO-C4X-111766)
- 2-{2-[2-(Octadecyloxy)ethoxy]ethoxy}ethan-1-ol (CAS 4439-32-1)
- Ethyl 7-aminofuro[2,3-b]pyrazine-6-carboxylate (CAS 187732-95-2)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(dimethylamino)butanoic acid hydrochloride (CAS 2137488-99-2)
- cis-3-Methylamino-cyclohexanol (CAS 6982-37-2)
- Pancreatic Polypeptide (31-36) Free Acid, human (CAS 192432-73-8)
Why CATO?
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