Olopatadine Impurity 12 CAS 66801-40-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 66801-40-9 |
| Molecular Formula | C15H10O4 |
| Molecular Weight | 254.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Olopatadine Impurity 12 (CAS 66801-40-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H10O4. Molecular weight: 254.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H10O4 |
| Molecular Weight | 254.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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.) | 1976 |
Related Olopatadine Standards
- Olopatadine lmpurity 57 (CAS CATO-C4X-171857)
- Olopatadine Impurity 35 (CAS 89019-82-9)
- Olopatadine Impurity 30 (CAS 728-97-2)
- Olopatadine USP Related Compound C (CAS 55453-87-7)
- Olopatadine impurity 147 (CAS CATO-C4X-1135147)
- Olopatadine Impurity 37 (CAS 55689-64-0)
- Olopatadine Impurity 46 (CAS 23560-66-9)
- Olopatadine Impurity 25 (CAS 88630-37-9)
Recommended Standards
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- Relugolix Impurity 97 (CAS CATO-C4X-242997)
- Ertugliflozin impurity 31 (CAS CATO-C4X-301131)
- N-(6-Amino-2,4-dioxo-1,3-dipropyl-1,2,3,4-tetrahydropyrimidin-5-yl)-3-phenylpropanamide (CAS 132940-68-2)
- Amino-PEG4-C2-amine (CAS 68960-97-4)
- Ethyl 7-Carbamoyl-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 68708-58-7)
- 1-(4-(4-Aminophenyl)-1,4-diazepan-1-yl)ethan-1-one (CAS 497249-28-2)
- (Des-Thr7)-Glucagon trifluoroacetate salt (CAS 1802078-28-9)
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