Phenytoin EP Impurity A CAS 119-61-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 119-61-9 |
| Molecular Formula | C13H10O |
| Molecular Weight | 182.22 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Phenytoin EP Impurity A (CAS 119-61-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H10O. Molecular weight: 182.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H10O |
| Molecular Weight | 182.22 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | 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 |
Related Phenytoin Standards
Recommended Standards
- Nintedanib Impurity 66 (CAS 707-07-3)
- Dopamine Impurity 64 (CAS CATO-C4X-190864)
- Nintedanib Impurity 43 (CAS 59276-28-7)
- Linagliptin Dimer Impurity 6 (CAS CATO-C4X-110150)
- Norethisterone Acetate EP Impurity G (CAS 438244-27-0)
- Felbinac impurity 4 (CAS 1286423-88-8)
- Imidafenacin Impurity 2 (CAS 503598-68-3)
- 2-(3-Ethyl-3H-imidazo[4,5-b]pyridin-2-yl)ethan-1-amine (CAS 1281217-79-5)
- (R)-1,5-Dimethyldihydropyrimidine-2,4(1H,3H)-dione (CAS 492442-60-1)
- Semaglutide (CAS CATO-C4X-2226105)
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