Atorvastatin EP Impurity C Calcium Salt CAS 693793-53-2
Purity >80%In StockPharmacopoeial Impurity Standards
| CAS No. | 693793-53-2 |
| Molecular Formula | 2*C33H33F2N2O5 Ca |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Atorvastatin EP Impurity C Calcium Salt (CAS 693793-53-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: 2*C33H33F2N2O5 Ca. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | 2*C33H33F2N2O5 Ca |
| Molecular Weight | 615.71 g/mol |
| Purity | >80% |
| 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) | 17.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Rosuvastatin Impurity 150 (CAS CATO-C4X-1169150)
- Tiotropium impurity 48 (CAS CATO-C4X-176448)
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- (Z)-4-((4-Benzoylphenyl)amino)-4-oxobut-2-enoic acid (CAS 174603-69-1)
- 2-(4-Bromophenyl)-4,5-dichlorothiazole (CAS 1355231-32-1)
- 2,2-Difluoro-2-(3-methylpyridin-4-yl)acetic acid (CAS 1504827-81-9)
- HA Peptide (CAS 92000-76-5)
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