Ondansetron EP Impurity B CAS 1076198-52-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1076198-52-1 |
| Molecular Formula | C37H38N6O2 |
| Molecular Weight | 598.74 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ondansetron EP Impurity B (CAS 1076198-52-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C37H38N6O2. Molecular weight: 598.74 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C37H38N6O2 |
| Molecular Weight | 598.74 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 6 |
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Recommended Standards
- Revefenacin Impurity 65 (CAS CATO-C4X-203165)
- ((2R,3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-(p-tolylthio)tetrahydro-2H-pyran-2-yl)methyl acetate (CAS 1941225-54-2)
- Revefenacin Impurity 1 (CAS 909800-36-8)
- N-Nitroso Diphenhydramine EP Impurity A-d5 (CAS CATO-C4X-142419)
- Melitracen Impurity 13 (CAS 71264-79-4)
- 5-(Difluoromethyl)furan-3-carboxamide (CAS 189330-19-6)
- 1-(2-Methylbenzyl)-3,4-dihydroisoquinoline (CAS 104330-69-0)
- (2-Ethoxyprop-1-en-1-yl)triphenylphosphonium iodide (CAS 62639-97-8)
- 2-Chloro-N,N-dimethyl-4-nitrobenzamide (CAS 90649-54-0)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
Why CATO?
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