Atorvastatin Impurity 24 CAS 472967-95-6
| CAS No. | 472967-95-6 |
| Molecular Formula | C40H47FN2O5 |
| Molecular Weight | 654.81 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C40H47FN2O5, Atorvastatin Impurity 24 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 654.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Atorvastatin Impurity 24 (CAS 472967-95-6) is a certified pharmaceutical impurity reference standard with the molecular formula C40H47FN2O5 and a molecular weight of 654.81 g/mol.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Atorvastatin Impurity 24 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C40H47FN2O5 |
| Molecular Weight | 654.81 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Atorvastatin Standards
- Atorvastatin Impurity 76 (CAS 1099474-28-8)
- Atorvastatin EP Impurity I (CAS 125971-95-1)
- 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)
- Atorvastatin Impurity 65 (CAS 1105067-91-1)
- Atorvastatin Impurity 67 (CAS 693793-87-2)
- Atorvastatin Impurity 74 (CAS CATO-C4X-113274)
Recommended Standards
- (3S,4R,5S,6S)-4,5-Bis(benzyloxy)-6-((benzyloxy)methyl)-2-(p-tolylthio)tetrahydro-2h-pyran-3-yl4-oxopentanoate (CAS 350600-54-3)
- 4-(1H-Indol-3-yl)butan-1-ol (CAS 3364-37-2)
- Vazegepant impurity 34 (CAS CATO-C4X-320034)
- Filipin III (CAS 480-49-9)
- Etoposide EP Impurity G (CAS CATO-C4X-20247)
- Bumetanide Impurity 123 (CAS CATO-C4X-1986123)
- Fenofibrate Impurity 18 (CAS CATO-C4X-164318)
- Corapan D4 (CAS 1261397-14-1)
- 87258-66-0 alpha-Bromopropiophenone-d5 (CAS 87258-66-0)
- 1-(Bromomethyl)-3-(tert-butoxy)benzene (CAS 327184-93-0)
- 5,5-Dimethyl-1-phenylpyrazolidin-3-one (CAS 6112-48-7)
- tert-Butyl (6-(methylamino)pyridin-3-yl)carbamate (CAS 1891365-48-2)
- Cyclobutyl(3-methoxyphenyl)methanamine hydrochloride (CAS 1864014-18-5)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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