Ketotifen EP Impurity E CAS 1346603-71-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1346603-71-1 |
| Molecular Formula | C19H19NOS |
| Molecular Weight | 309.43 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ketotifen EP Impurity E (CAS 1346603-71-1) pharmacopoeial impurity standards reference standard. Molecular formula: C19H19NOS. Molecular weight: 309.43 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H19NOS |
| Molecular Weight | 309.43 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ketotifen Standards
- Ketotifen (CAS 34580-13-7)
- Ketotifen EP Impurity F (Mixture of Enol and Ketone) (CAS 34580-09-1)
- Ketotifen Impurity 20 (CAS CATO-C4X-204620)
- Ketotifen Impurity 28 (CAS CATO-C4X-204628)
- Ketotifen Impurity 15 (CAS CATO-C4X-204615)
- Ketotifen Impurity 23 (CAS 111428-56-9)
- Ketotifen EP Impurity G (CAS 43076-16-0)
- Ketotifen Impurity 19 (CAS 34580-20-6)
Recommended Standards
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Why CATO?
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