Clemastine Impurity 26 CAS 171296-35-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 171296-35-8 |
| Molecular Formula | C7H10O5 |
| Molecular Weight | 174.15 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Clemastine Impurity 26 (CAS 171296-35-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H10O5. Molecular weight: 174.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H10O5 |
| Molecular Weight | 174.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 2005 |
Related Clemastine Standards
- Clemastine Impurity 25 (CAS 57520-19-1)
- Clemastine Fumarate Impurity 2 (CAS 530-48-3)
- Clemastine Fumarate Impurity 1 (CAS 599-67-7)
- Clemastine Impurity 20 (CAS CATO-C4X-183720)
- Clemastine Impurity 4 (CAS 67004-64-2)
- Clemastine Impurity 30 (CAS CATO-C4X-183730)
- Clemastine Impurity 27 (CAS 10095-17-7)
- Clemastine Impurity 28 (CAS 1333340-87-6)
Recommended Standards
- Nicardipine Impurity 27 (CAS CATO-C4X-171027)
- Piperazine Impurity 13 (CAS 7709-80-0)
- Atovaquone Impurity 6 (CAS CATO-C4X-15516)
- Oseltamivir Impurity 121 (CAS CATO-C4X-1720121)
- Sulpiride EP Impurity B (CAS 33045-52-2)
- 3-(bromomethyl)-6-fluoro-1-methyl-1,2-dihydroquinoxalin-2-one (CAS 1240529-30-9)
- 6-PIperidin-3-yl-n-1,3-thiazol-2-ylnicotinamide dihydrochloride (CAS 1858255-39-6)
- Gimatecan (CAS 292618-32-7)
- Ilaprazole Impurity 30 (CAS CATO-C4X-113030)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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