Rosuvastatin Impurity 254 CAS 521974-01-6
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 521974-01-6 |
| Molecular Formula | C13H23ClO4 |
| Molecular Weight | 278.77 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Rosuvastatin Impurity 254 (CAS 521974-01-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H23ClO4. Molecular weight: 278.77 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H23ClO4 |
| Molecular Weight | 278.77 g/mol |
| Purity | ≥95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
Related Rosuvastatin Standards
- Rosuvastatin Impurity 154 (CAS 154026-94-5)
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- Rosuvastatin Impurity 95 (CAS CATO-C4X-116995)
- Rosuvastatin Impurity 96 (CAS 521974-00-5)
- Rosuvastatin Impurity 31 (CAS 2095786-11-9)
- Rosuvastatin impurity 245 (CAS 147118-41-0)
- Rosuvastatin Impurity 78 (CAS 488798-37-4)
- Rosuvastatin Impurity 269 (CAS CATO-C4X-1169269)
Recommended Standards
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- 2-Isopropoxy-4,4,6-trimethyl-1,3,2-dioxaborinane (CAS 61676-61-7)
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- 3-Ethyl-4-hydroxy-1-phenylquinolin-2(1H)-one (CAS 84261-43-8)
- (5-(4-Chlorophenyl)-1H-1,2,4-triazol-3-yl)(4-fluorophenyl)methanamine (CAS 1707566-70-8)
- Neuropeptide Y (2-36), amide, porcine (CAS 102961-52-4)
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