Atovaquone EP Impurity D CAS 129700-41-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 129700-41-0 |
| Molecular Formula | C23H21ClO3 |
| Molecular Weight | 380.86 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Atovaquone EP Impurity D (CAS 129700-41-0) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C23H21ClO3. Molecular weight: 380.86 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C23H21ClO3 |
| Molecular Weight | 380.86 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
Related Atovaquone Standards
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- Atovaquone Impurity 9 (CAS 1100053-58-4)
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Recommended Standards
- Nafamostat impurity 75 (CAS 2623-40-7)
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- Baloxavir Impurity 21 (CAS 1985607-68-8)
- Roxadustat Impurity 76 (CAS 74717-81-0)
- 3-((Ethylamino)methyl)-6-methoxy-2-methylquinolin-4(1H)-one (CAS 65273-89-4)
- 5-Amino-N-(4-chloro-phenyl)-2-morpholin-4-yl-benzenesulfonamide (CAS 327072-90-2)
- 1-(Pyridin-2-yl) propan-2-amine (CAS 51038-40-5)
- 5-(2,5-Dimethylfuran-3-yl)isoxazol-3-amine (CAS 1494164-04-3)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com