Atorvastatin EP Impurity E CAS 501121-34-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 501121-34-2 |
| Molecular Formula | C33H35FN2O5 |
| Molecular Weight | 558.64 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Atorvastatin EP Impurity E (CAS 501121-34-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C33H35FN2O5. Molecular weight: 558.64 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C33H35FN2O5 |
| Molecular Weight | 558.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Atorvastatin Standards
- Atorvastatin EP Impurity E (CAS 110862-48-1（Relative）)
- Atorvastatin EP Impurity B (CAS 887324-52-9)
- Atorvastatin (CAS 134523-00-5)
- Atorvastatin Impurity 100 (CAS CATO-C4X-1132100)
- Atorvastatin Impurity 133 (CAS CATO-C4X-1132133)
- Atorvastatin Impurity 134 (CAS CATO-C4X-1132134)
- Atorvastatin Impurity 15 (CAS 906552-19-0)
- Atorvastatin EP Impurity O (CAS 887196-30-7)
Recommended Standards
- (S)-[2’-(2-Methoxybenzyl)-[1,1’-binaphthalen]-2-yl]diphenylphosphine (CAS 1454319-48-2)
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- 1,1-[(1,1-Dimethylethyl)[[(1R,2E,4E)-5-iodo-1-[3-(trimethylsilyl)-2-propyn-1-yl]-2,4-pentadien-1-yl]oxy]silylene]bis-benzene (CAS 1220354-19-7)
- HO-Ste-γGlu-AEEA-OH (CAS CATO-C4X-2226278)
- Tolvaptan Impurity 80 (CAS CATO-C4X-195580)
- 4-Iodo-N-methylbenzamide (CAS 89976-43-2)
- (R)-5-(1-amino-3-hydroxypropyl)-2-methoxyphenol (CAS 1212821-13-0)
- 4,4'-(Furan-2-ylmethylene)bis(N,N-dimethylaniline) (CAS 57751-98-1)
- 2,2-Difluoro-N-(4-methoxybenzyl)ethan-1-amine (CAS 1184429-97-7)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
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