Topiramate EP Impurity A CAS 20880-92-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 20880-92-6 |
| Molecular Formula | C12H20O6 |
| Molecular Weight | 260.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Topiramate EP Impurity A (CAS 20880-92-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H20O6. Molecular weight: 260.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H20O6 |
| Molecular Weight | 260.28 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
Related Topiramate Standards
- Topiramate Impurity 24 (CAS 582-52-5)
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- Topiramate Impurity 40 (CAS CATO-C4X-176840)
- Topiramate Impurity 15 (CAS 128316-82-5)
- Topiramate Didesacetal Impurity (CAS 106881-42-9)
- Topiramate Impurity 12 (CAS CATO-C4X-176812)
- Topiramate Impurity 1 (CAS 32785-90-3)
- Topiramate Impurity 13 (CAS 86569-78-0)
Recommended Standards
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- Cabozantinib Impurity 27 (CAS 332-07-0)
- Lincomycin EP Impurity C (CAS 14600-41-0)
- Phenylmethyl (3alpha,5beta,7alpha)-6-Ethylidene-3,7-dihydroxy-cholan-24-oic Acid Ester (CAS 1352328-67-6)
- 3-((3-Chlorobenzyl)oxy)propane-1-sulfonyl chloride (CAS 1463435-85-9)
- methyl 3-amino-6-methylpyrazine-2-carboxylate (CAS 2032-84-0)
- 3-(3-Chlorophenoxymethyl)benzoic acid (CAS 360778-44-5)
- Neuropeptide GE (CAS 134748-04-2)
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