Etoposide EP Impurity B CAS 100007-56-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 100007-56-5 |
| Molecular Formula | C29H32O13 |
| Molecular Weight | 588.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Etoposide EP Impurity B (CAS 100007-56-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C29H32O13. Molecular weight: 588.56 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C29H32O13 |
| Molecular Weight | 588.56 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
Related Etoposide Standards
- Etoposide (CAS 33419-42-0)
- Etoposide EP Impurity C (CAS 100007-53-2)
- Etoposide impurity 22 (CAS 153975-25-8)
- Etoposide Impurity 30 (CAS CATO-C4X-202430)
- Etoposide EP Impurity I (CAS 111712-42-6)
- Etoposide 3,4-Quinone (CAS 105016-65-7)
- Etoposide EP Impurity D (CAS 23363-35-1)
- Etoposide Impurity 23 (CAS 101648-63-9)
Recommended Standards
- Terbutaline Impurity 81 (CAS CATO-C4X-118381)
- Roxadustat Impurity 37 (CAS CATO-C4X-221337)
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- (S)-3-Methylpiperidine Hydrochloride (CAS 155797-02-7)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com