Atorvastatin Impurity 95 CAS 442851-50-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 442851-50-5 |
| Molecular Formula | C33H31FN2O3 |
| Molecular Weight | 522.61 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Atorvastatin Impurity 95 (CAS 442851-50-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C33H31FN2O3. Molecular weight: 522.61 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C33H31FN2O3 |
| Molecular Weight | 522.61 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Atorvastatin Standards
- Atorvastatin Impurity 146 (CAS CATO-C4X-1132146)
- Atorvastatin Impurity 147 (CAS CATO-C4X-1132147)
- Atorvastatin Impurity 132 (CAS 160449-60-5)
- Atorvastatin EP Impurity H (CAS 125995-03-1)
- Atorvastatin EP Impurity A (Sodium salt) (CAS 1516864-05-3)
- Atorvastatin-d5 Lactone (CAS 1217749-86-4)
- Atorvastatin Impurity 130 (CAS 1193817-52-5)
- Atorvastatin Impurity 17 (CAS 1795791-15-9)
Recommended Standards
- (2S,3R,4S,5R,6R)-6-((benzyloxy)methyl)-2-(ethylthio)-5-hydroxytetrahydro-2H-pyran-3,4-diyl dibenzoate (CAS 149521-64-2)
- 2-((5-((4-Methoxyphenoxy)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N,N-diphenylacetamide (CAS 332912-71-7)
- 1-[6-(2-azatricyclo[10.4.0.0⁴⁹]hexadeca-1(12),4(9),5,7,13,15-hexaen-10-yn-2-yl)-6-oxo-hexanoyl]oxy-2,5-dioxo-pyrrolidine-3-sulfonic acid (CAS 1400302-73-9)
- Paliperidone Impurity 41 (CAS CATO-C4X-1724141)
- Benzbromarone Impurity 8 (CAS 27003-05-0)
- (R)-2-Fluoro-1-(3-(trifluoromethyl)phenyl)ethan-1-ol (CAS 1932780-73-8)
- n-[(pyrazin-2-yl)methylidene]hydroxylamine (CAS 1193-98-2)
- Pentoxifylline EP Impurity F-13C (CAS 202282-98-2)
- 4,6-Dimethyl-1,6-dihydropyrazolo[3,4-c]pyrazol-3-amine (CAS 1306606-23-4)
- FMRF-Like Neuropeptide (CAS 121801-61-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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