Levetiracetam EP Impurity A CAS 67118-31-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 67118-31-4 |
| Molecular Formula | C8H13NO3 |
| Molecular Weight | 171.19 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Levetiracetam EP Impurity A (CAS 67118-31-4) pharmacopoeial impurity standards reference standard. Molecular formula: C8H13NO3. Molecular weight: 171.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H13NO3 |
| Molecular Weight | 171.19 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
Related Levetiracetam Standards
- (S)-Levetiracetam EP Impurity A (CAS 102849-49-0)
- Levetiracetam EP Impurity A (CAS 103833-72-3)
- Levetiracetam (CAS 102767-28-2)
- Levetiracetam Racemate (CAS 33996-58-6)
- Levetiracetam EP Impurity D (CAS 103765-01-1)
- Levetiracetam Dehydro Acid (CAS 358629-39-7)
- Levetiracetam-d3 (CAS 1217851-16-5)
- Levetiracetam EP Impurity B (CAS 358629-47-7)
Recommended Standards
- Vigabatrin Impurity 13 (CAS 1824506-31-1)
- Piracetam EP Impurity C (CAS 61516-73-2)
- 1-Acetylisonipecotic Acid (CAS 25503-90-6)
- Clevidipine Impurity 31 (CAS 1207068-16-3)
- Micafungin Impurity 8 (CAS CATO-C4X-16958)
- 4-Chloro-6-(1-isobutyl-1H-pyrazol-4-yl)pyrimidine (CAS 1708380-08-8)
- 2-(2-Methylpiperidin-1-yl)-5-(trifluoromethyl)aniline (CAS 926272-43-7)
- 4-Bromo-5-(difluoromethyl)-3-iodo-2-methoxypyridine (CAS 1806870-76-7)
- 6-Methyl-4-(pyrrolidin-1-yl)pyridin-2(1H)-one (CAS 62034-96-2)
- His-Cyclic-Semaglutide (CAS CATO-C4X-2226182)
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