Etoposide EP Impurity E CAS 6559-91-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 6559-91-7 |
| Molecular Formula | C21H20O8 |
| Molecular Weight | 400.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Etoposide EP Impurity E (CAS 6559-91-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H20O8. Molecular weight: 400.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H20O8 |
| Molecular Weight | 400.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Etoposide Standards
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Recommended Standards
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- Daunorubicin EP Impurity E (CAS 28008-51-7)
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- 4-Amino-1-(2-phenoxyethyl)pyrrolidin-2-one hydrochloride (CAS 1354950-83-6)
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- N-Methoxycarbonyl Normorphine Diacetate (1.0mg/ml in Acetonitrile) (CAS 1261079-79-1)
- Neuropeptide AF (human) (CAS 192387-38-5)
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