Levetiracetam Impurity 25 CAS 263552-76-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 263552-76-7 |
| Molecular Formula | C10H12O5 |
| Molecular Weight | 212.20 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Levetiracetam Impurity 25 (CAS 263552-76-7) pharmacopoeial impurity standards reference standard. Molecular formula: C10H12O5. Molecular weight: 212.20 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C10H12O5 |
| Molecular Weight | 212.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Levetiracetam Standards
- Levetiracetam Impurity 32 (CAS 93778-15-5)
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- Levetiracetam Impurity 6 (CAS 4385-97-1)
- Levetiracetam Impurity 45 (CAS CATO-C4X-106745)
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- Levetiracetam impurity 8 (CAS CATO-C4X-10678)
- Levetiracetam Impurity 33 (CAS 2245069-23-0)
Recommended Standards
- 2-Aminophenoxazin-3-One (CAS 1916-59-2)
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- Acotiamide Impurity 13 (CAS 60241-74-9)
- Vildagliptin Impurity 101 (CAS CATO-C4X-1100101)
- Upadacitinib Impurity 223 2HBr (CAS CATO-C4X-2405223)
- N-(4-Bromophenyl)ethanethioamide (CAS 20980-00-1)
- 4-(2-Fluorobenzyl)piperidin-4-amine dihydrochloride (CAS 1774896-11-5)
- 1-(3-Chloro-4-fluorophenyl)cyclopentanamine (CAS 1176017-03-0)
- 5'-(3,5-Dicarboxyphenyl)-[1,1':3',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid (CAS 1228047-99-1)
- Autocamtide-2-Related Inhibitory Peptide TFA (CAS 167114-91-2（free base）)
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