Atovaquone EP Impurity C CAS 1809464-27-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1809464-27-4 |
| Molecular Formula | C22H17ClO3 |
| Molecular Weight | 364.82 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Atovaquone EP Impurity C (CAS 1809464-27-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H17ClO3. Molecular weight: 364.82 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H17ClO3 |
| Molecular Weight | 364.82 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
Related Atovaquone Standards
- Atovaquone EP Impurity B (RC A) (CAS 137732-39-9)
- Atovaquone (CAS 95233-18-4)
- Atovaquone EP Impurity A (CAS 2517583-91-2)
- cis-Atovaquone-d5 (contains 10% trans isomer) (CAS 1217612-80-0)
- Atovaquone-d5 (CAS 1329792-63-3)
- Atovaquone Impurity 9 (CAS 1100053-58-4)
- Atovaquone EP Impurity D (CAS 129700-41-0)
- Atovaquone Impurity 1 (CAS 49708-81-8)
Recommended Standards
- 4-Chloroquinazoline-6,7-diyl bis(2,2-dimethylpropanoate) (CAS 1145671-34-6)
- 2,2-Dibromo-1-(2,6-dichloro-3-fluorophenyl)ethanone (CAS 1820604-17-8)
- 2-(2-(2-Chloro-7,8-dimethylquinolin-3-yl)ethyl)isoindoline-1,3-dione (CAS 1105194-11-3)
- Ruxolitinib Impurity 29 (CAS CATO-C4X-205829)
- Parecoxib sodium Impurity 10 (CAS 2229657-81-0)
- 5-({[(4-chlorophenyl)methyl]sulfanyl}methyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 344268-56-0)
- Indole-3-carbinol (CAS 700-06-1)
- Topiramate Impurity 28 (CAS 53209-16-8)
- 5-(4-Methylphenyl)pyridine-3-carboxylic Acid (CAS 893737-23-0)
- Crustacean Cardioactive Peptide (CAS 107090-96-0)
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