Atorvastatin Impurity 123 CAS 1173184-78-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1173184-78-5 |
| Molecular Formula | C20H18FNO2 |
| Molecular Weight | 323.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Atorvastatin Impurity 123 (CAS 1173184-78-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H18FNO2. Molecular weight: 323.36 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H18FNO2 |
| Molecular Weight | 323.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- Tetrabenazine Impurity 30-D6 (CAS CATO-C4X-274830)
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- Anion Standard - Citrate (CAS 126-44-3)
- 3-((4-Bromo-1H-pyrazol-1-yl)methoxy)pyridine (CAS 1708170-00-6)
- 3-Chloro-2-oxobutanoic acid (CAS 142521-41-3)
- 2,3-Dimethyl-5-phenyl-7H-pyrazolo[5,1-b][1,3]oxazin-7-one (CAS 919533-23-6)
- (Leu31,Pro34)-Peptide YY (human) trifluoroacetate salt (CAS 179986-95-9)
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