Etoposide EP Impurity O CAS 260974-95-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 260974-95-6 |
| Molecular Formula | C33H32Cl4O15 |
| Molecular Weight | 810.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Etoposide EP Impurity O (CAS 260974-95-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C33H32Cl4O15. Molecular weight: 810.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C33H32Cl4O15 |
| Molecular Weight | 810.41 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
Related Etoposide Standards
- Etoposide Impurity 39 (CAS CATO-C4X-202439)
- Etoposide impurity 20 (CAS CATO-C4X-202420)
- Etoposide Impurity 32 (CAS CATO-C4X-202432)
- Etoposide Impurity 37 (CAS CATO-C4X-202437)
- Etoposide EP Impurity K (CAS CATO-C4X-202411)
- Etoposide Impurity 41 (CAS CATO-C4X-202441)
- Etoposide EP Impurity G (CAS CATO-C4X-20247)
- Etoposide D-glucuronide (CAS 100007-55-4)
Recommended Standards
- Triethoxy(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14-pentacosafluorotetradecyl)silane (CAS 885275-56-9)
- Methyl (3S,4R,5S,6R)-5-acetamido-4-(benzyloxy)-2-chloro-3-(phenylthio)-6-((1S,2R)-1,2,3-tris(benzyloxy)propyl)tetrahydro-2H-pyran-2-carboxylate (CAS 120308-52-3)
- Pimecrolimus (CAS 137071-32-0)
- Mirogabalin Impurity 53 (CAS CATO-C4X-292453)
- Ticarcillin EP Impurity C (CAS 21080-92-2)
- 4-[4-(Morpholin-4-yl)-3-nitrophenyl]-1,2-dihydrophthalazin-1-one (CAS 488137-27-5)
- n-(Cyclopropylmethyl)-3-iodoaniline (CAS 1156168-52-3)
- 1-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-3-(1-(3-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea (CAS 894023-11-1)
- 3-Bromo-4-cyano-5-iodobenzoic acid (CAS 1805526-52-6)
- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
Why CATO?
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