Topiramate Impurity 25 CAS 25018-67-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 25018-67-1 |
| Molecular Formula | C12H20O6 |
| Molecular Weight | 260.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Topiramate Impurity 25 (CAS 25018-67-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H20O6. Molecular weight: 260.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H20O6 |
| Molecular Weight | 260.28 g/mol |
| Purity | 97%+ |
| 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.) | 1964 |
Related Topiramate Standards
- Topiramate Impurity 24 (CAS 582-52-5)
- Topiramate Impurity 40 (CAS CATO-C4X-176840)
- Topiramate EP Impurity A (CAS 20880-92-6)
- 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
- Rosuvastatin Impurity 71 (CAS CATO-C4X-116971)
- 5870-38-2 Diethyl 2,5-dihydroxyterephthalate 1,4-Benzenedicarboxylic acid, 2,5-dihydroxy-, 1,4-diethyl ester 1,4-Benzenedicarboxylic acid, 2,5-dihydroxy-, diethyl ester 2,5-Dihydroxyterephthalic acid diethyl ester EINECS 227-522-3 NSC 177975 Terephthalic acid, 2,5-dihydroxy-, diethyl ester (CAS 5870-38-2)
- Penfluridol Impurity 7 (CAS 1489363-63-4)
- elafloxacin Impurity 7 (CAS CATO-C4X-26377)
- Mirabegron Impurity 2 (CAS 223673-35-6)
- 2-[(5-amino-1H-1,3-benzodiazol-2-yl)(methyl)amino]-N-methylacetamide (CAS 1506350-69-1)
- 2-Methoxy-6-(pyrrolidin-1-yl)nicotinaldehyde (CAS 1228666-11-2)
- Nystatin Impurity 6 Dilithium Salt (CAS CATO-C4X-17166)
- Methyl 4-hydroxy-3-(2-methylthiazol-4-yl)benzoate (CAS 1387565-76-5)
- (D-Tyr1,N-Me-Phe3)-Neuropeptide FF (H-4752.0001) (CAS 145274-93-7)
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