Ketotifen Hydrogen Fumarate CAS 34580-14-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 34580-14-8 |
| Molecular Formula | C19H19NOS C4H4O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ketotifen Hydrogen Fumarate (CAS 34580-14-8) pharmaceutical standards reference standard. Molecular formula: C19H19NOS C4H4O4. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H19NOS C4H4O4 |
| Molecular Weight | 425.50 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ketotifen Standards
- Ketotifen Impurity 23 (CAS 111428-56-9)
- Ketotifen Impurity 9 HCl (CAS 1227458-03-8)
- Ketotifen EP Impurity C (CAS 126939-27-3)
- Ketotifen EP Impurity E (CAS 1346603-71-1)
- Ketotifen EP Impurity F (Mixture of Enol and Ketone) (CAS 34580-09-1)
- Ketotifen (CAS 34580-13-7)
- Ketotifen Impurity 19 (CAS 34580-20-6)
- Ketotifen EP Impurity G (CAS 43076-16-0)
Recommended Standards
- 3-Methyl-4-{[(4-methylphenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one (CAS 339020-92-7)
- 6-Oxo-1,6-dihydropyrimidine-5-sulfonyl chloride (CAS 1211581-63-3)
- 3-((Tert-butoxycarbonyl)amino)hexanoic acid (CAS 282524-95-2)
- Ethyl 2-amino-4-(2,4-dimethylphenyl)thiophene-3-carboxylate (CAS 15854-10-1)
- (2Z)-2,3-Dichloro-3-{[(2-chlorophenyl)methyl]sulfanyl}-N-(6-methoxypyridin-3-yl)prop-2-enamide (CAS 337922-06-2)
- O,O-Dimethylphosphorothioic acid sodium (CAS 23754-87-2)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
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