Atorvastatin Calcium EP Impurity I CAS 947249-30-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 947249-30-1 |
| Molecular Formula | C40H47FN2O5 |
| Molecular Weight | 654.81 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Atorvastatin Calcium EP Impurity I (CAS 947249-30-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C40H47FN2O5. Molecular weight: 654.81 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- Filipin III (CAS 480-49-9)
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- Rosuvastatin Impurity 230 (CAS CATO-C4X-1169230)
- Obeticholic Acid Impurity 45 (CAS CATO-C4X-115345)
- 6-Bromo-2-(pyridin-3-yl)-4H-chromen-4-one (CAS 1218-81-1)
- N-Fmoc-N-methyl-O-(3-methylbutyl)-L-Serine (CAS 2255321-12-9)
- 2-(2-Chloro-1H-benzo[d]imidazol-5-yl)acetic acid (CAS 1499592-63-0)
- 2-(5-((2,5-Dimethylbenzyl)thio)-4-ethyl-4H-1,2,4-triazol-3-yl)pyridine (CAS 573948-00-2)
- [3-31]-Semaglutide D (Sodium salt) (CAS CATO-C4X-2226119)
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