Atorvastatin Impurity 65 CAS 1105067-91-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1105067-91-1 |
| Molecular Formula | C40H48N2O5 |
| Molecular Weight | 636.82 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Atorvastatin Impurity 65 (CAS 1105067-91-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C40H48N2O5. Molecular weight: 636.82 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C40H48N2O5 |
| Molecular Weight | 636.82 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
Related Atorvastatin Standards
- Atorvastatin Impurity 74 (CAS CATO-C4X-113274)
- Atorvastatin Impurity 79 (CAS CATO-C4X-113279)
- Atorvastatin Impurity 76 (CAS 1099474-28-8)
- Atorvastatin EP Impurity I (CAS 125971-95-1)
- Atorvastatin Impurity 24 (CAS 472967-95-6)
- Atorvastatin Impurity 66 (CAS 1105067-90-0)
- Atorvastatin Calcium EP Impurity I (CAS 947249-30-1)
- Atorvastatin 3-Isopropyl Ether tert-Butyl Ester (CAS 1797009-04-1)
Recommended Standards
- 5-(Benzyloxy)-2-(4-(benzyloxy)phenyl)-3-methyl-1-(4-(2-(piperidin-1-yl)ethoxy)benzyl)-1H-indole (CAS 198480-20-5)
- (E)-2,4,6-triisopropyl-N'-(2,2,2-trifluoro-1-(triphenylsilyl)ethylidene)benzenesulfonohydrazide (CAS 145574-05-6)
- 1,1,2,2-Tetra(biphenyl-4-yl)ethene (CAS 7146-38-5)
- Vilanterol Impurity 17 (CAS CATO-C4X-193517)
- Lefamulinum Impurity 29 (CAS CATO-C4X-304729)
- 2-(4-Chlorophenyl)-5-(1,2,3,4-tetrahydropyrazin-2-yl)-4H-1,3-thiazin-4-one (CAS 89442-14-8)
- 5-(3-Methoxy-1-methyl-1H-pyrazol-4-yl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 1172720-70-5)
- 4-(4-Chlorophenyl)-2-(2,4-dichlorophenyl)-4-oxobutanoic acid (CAS 344280-65-5)
- 2-(3-Methoxyazetidin-1-yl)acetic acid (CAS 1781971-45-6)
- Bonemarrow-Derived Mesenchymal Stem Cells Affinity Peptide trifluoroacetate salt (CAS 683750-83-6)
Why CATO?
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