Trapidil EP Impurity A CAS 2503-56-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2503-56-2 |
| Molecular Formula | C6H6N4O |
| Molecular Weight | 150.14 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Trapidil EP Impurity A (CAS 2503-56-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H6N4O. Molecular weight: 150.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H6N4O |
| Molecular Weight | 150.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Trapidil Standards
Recommended Standards
- Pyrazolo[1,5-a][1,3,5]triazine-2,4-diamine (CAS 71680-61-0)
- 6-Methoxypurine (CAS 1074-89-1)
- Imidazo[5,1-f][1,2,4]triazine-2,7-diamine (CAS 51292-20-7)
- Donepezil EP impurity D (CAS 4803-57-0)
- Bumetanide Impurity 41 (CAS 20532-06-3)
- 3-Bromo-4-(dimethylsulfamoyl)benzoic acid (CAS 1019384-91-8)
- Bicyclo[2.2.1]Heptane-1,4-diyldimethanol (CAS 1185307-52-1)
- 4-(3-Chloro-2-fluorophenoxy)-3-fluoroaniline (CAS 1206593-32-9)
- 2',3'-Difluoro-4'-methylacetophenone (CAS 261763-30-8)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com