Olopatadine Impurity 47 CAS 872040-99-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 872040-99-8 |
| Molecular Formula | C21H24N2O2 |
| Molecular Weight | 336.43 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Olopatadine Impurity 47 (CAS 872040-99-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H24N2O2. Molecular weight: 336.43 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H24N2O2 |
| Molecular Weight | 336.43 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Olopatadine Standards
- Olopatadine lmpurity 61 (CAS CATO-C4X-171862)
- Olopatadine lmpurity 56 (CAS CATO-C4X-171856)
- (E)-Olopatadine (CAS 113806-06-7)
- Olopatadine (CAS 113806-05-6)
- Olopatadine Impurity N3 (CAS 113835-76-0)
- Olopatadine impurity 146 (CAS CATO-C4X-1135146)
- Olopatadine Impurity 9 (CAS 113835-92-0)
- Olopatadine Impurity 73 (CAS CATO-C4X-171873)
Recommended Standards
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- Vardenafil Impurity 33 (CAS CATO-C4X-101733)
- Venlafaxine Impurity 61 (CAS 2641915-09-3)
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- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
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