Atorvastatin Calcium EP Impurity M CAS 345891-62-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 345891-62-5 |
| Molecular Formula | C34H37FN2O5 |
| Molecular Weight | 572.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Atorvastatin Calcium EP Impurity M (CAS 345891-62-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C34H37FN2O5. Molecular weight: 572.67 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C34H37FN2O5 |
| Molecular Weight | 572.67 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.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Atorvastatin Standards
- Atorvastatin Impurity 16 (CAS CATO-C4X-113216)
- Atorvastatin Lactone Diepoxide (CAS 1046118-40-4)
- Atorvastatin Calcium EP Impurity Q (CAS 906552-18-9)
- 3-Oxo Atorvastatin Methyl Ester (CAS 2206606-73-5)
- Atorvastatin EP Impurity C Sodium Salt (CAS 1807481-00-0)
- Atorvastatin EP Impurity C (CAS 693794-20-6)
- Atorvastatin Impurity 105 (CAS CATO-C4X-1132105)
- Atorvastatin EP Impurity A（Sodium salt） (CAS 433289-84-0)
Recommended Standards
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- Methyl 3-(N-methylsulfamoyl)benzo[b]thiophene-2-carboxylate (CAS 1325304-23-1)
- 2-(Benzylthio)-4-hydroxypyrimidine-5-carboxylic acid (CAS 93185-33-2)
- 7-Chloro-2,3-dihydro-[1,4]dioxino[2,3-g]quinoline-8-carbaldehyde (CAS 186668-55-3)
- n-(2,2,2-Trifluoroethyl)pyridin-4-amine (CAS 74415-04-6)
- Gtp-γ-s (CAS 37589-80-3)
- Prolactin-Releasing Peptide (12-31) (human) (CAS 235433-36-0)
Why CATO?
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