Primidone EP impurity A hydrate CAS 80866-90-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 80866-90-6 |
| Molecular Formula | C11H14N2O2 H2O |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Primidone EP impurity A hydrate (CAS 80866-90-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H14N2O2 H2O. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H14N2O2 H2O |
| Molecular Weight | 224.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 2 |
Related Primidone Standards
Recommended Standards
- Atrasentan Impurity 137 (CAS 1058349-12-4)
- Mitiglinide impurity 23 (CAS CATO-C4X-116123)
- 2-(Difluoromethyl)-3-iodo-6-methoxypyridine-5-carbonyl chloride (CAS 1805543-85-4)
- 4-((4-Methyl-1H-imidazol-1-yl)methylene)-2-phenyloxazol-5(4H)-one (CAS 90330-22-6)
- Chlorsulfaquinoxaline (CAS 97919-22-7)
- 1,3-Bis(pyridin-4-ylethynyl)benzene (CAS 168289-77-8)
- Exenatide (CAS 141758-74-9)
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