Olopatadine Impurity 44 CAS 111088-69-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 111088-69-8 |
| Molecular Formula | C22H24OP Br |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Olopatadine Impurity 44 (CAS 111088-69-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H24OP Br. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H24OP Br |
| Molecular Weight | 415.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at room temperature, protect from light |
| 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) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
Related Olopatadine Standards
- Olopatadine Impurity 43 (CAS 1127893-02-0)
- Olopatadine Methyl Ester HCl (CAS 113805-71-3（free base）)
- Olopatadine Impurity 51 (CAS 113806-01-2)
- Olopatadine Ethyl Ester (HCl) (CAS 113806-03-4)
- Olopatadine (CAS 113806-05-6)
- (E)-Olopatadine (CAS 113806-06-7)
- Olopatadine Impurity N3 (CAS 113835-76-0)
- Olopatadine Impurity 9 (CAS 113835-92-0)
Recommended Standards
- Azilsartan Impurity 135 (CAS 209551-67-7)
- Quifenadine Impurity 2 (CAS 57734-94-8)
- (2S,5S)-5-Hydroxypiperidine-2-carboxylic Acid (CAS 63088-78-8)
- 4-Cyclopropylphenol (CAS 10292-61-2)
- 2-(4-Phenyl-1H-imidazol-2-yl)benzoic acid (CAS 824395-45-1)
- 2-(1-(Oxazolo[4,5-b]pyridin-2-yl)piperidin-3-yl)acetic acid (CAS 1035840-21-1)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
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