Olopatadine Impurity 37 CAS 55689-64-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 55689-64-0 |
| Molecular Formula | C17H14O4 |
| Molecular Weight | 282.29 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Olopatadine Impurity 37 (CAS 55689-64-0) pharmacopoeial impurity standards reference standard. Molecular formula: C17H14O4. Molecular weight: 282.29 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C17H14O4 |
| Molecular Weight | 282.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1972 |
Related Olopatadine Standards
- Olopatadine Impurity 25 (CAS 88630-37-9)
- Olopatadine Impurity 28 (CAS 55453-89-9)
- Olopatadine Impurity 20 (CAS 962-95-8)
- Olopatadine lmpurity 58 (CAS CATO-C4X-171858)
- Olopatadine Impurity 66 (CAS CATO-C4X-171866)
- Olopatadine Impurity 18 (CAS 55453-90-2)
- Olopatadine USP Related Compound C (CAS 55453-87-7)
- Olopatadine Impurity 26 (CAS 55690-18-1)
Recommended Standards
- Gabapentin Impurity 37 (CAS 79371-39-4)
- Paliperidone Impurity 96 (CAS CATO-C4X-172496)
- Piracetam impurity 39 (CAS CATO-C4X-123539)
- Cetirizine EP Impurity G (CAS 109806-71-5)
- Phosphoramidite Impurity 27 (CAS CATO-C4X-288627)
- 3-((Pyridin-4-ylmethyl)amino)pyrrolidine-2,5-dione (CAS 1189133-39-8)
- 4-Hydroxy-4-(4-methoxyphenyl)butanoic acid (CAS 63639-61-2)
- 7-Fluoro-5-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 1449581-03-6)
- Ibuprofen Impurity 145 (CAS 69363-33-3)
- 3X Flag Peptide trifluoroacetate salt (CAS 402750-12-3)
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