Paclitaxel EP Impurity O CAS 219783-77-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 219783-77-4 |
| Molecular Formula | C49H53NO14 |
| Molecular Weight | 879.94 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Paclitaxel EP Impurity O (CAS 219783-77-4), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C49H53NO14. Molecular weight: 879.94 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C49H53NO14 |
| Molecular Weight | 879.94 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 |
| Degree of Unsaturation (DBE) | 24.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 1 |
Related Paclitaxel Standards
- Paclitaxel Impurity 57 (CAS 1053697-17-8)
- Paclitaxel EP Impurity M (CAS 932042-85-8)
- Paclitaxel EP Impurity P (CAS 173101-56-9)
- Paclitaxel EP Impurity J (CAS 2757197-26-3)
- Paclitaxel EP Impurity L (CAS 92950-39-5)
- Paclitaxel EP Impurity F (CAS 153083-53-5)
- Paclitaxel 13C [~1.0Mg/Ml](P) (In Solution) (CAS 379688-61-6)
- Paclitaxel-d5 (CAS 1129540-33-5)
Recommended Standards
- (2R,3R,5R)-2-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-5-(3-(2,4-dimethoxybenzyl)-5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl 4-nitrobenzenesulfonate (CAS 290371-75-4)
- SDC-TRAP 0063 (CAS 1472614-83-7)
- Boromycin (CAS 34524-20-4)
- Daptomycin impurity 53 (CAS CATO-C4X-137853)
- Erythromycin EP Impurity L (CAS 127955-44-6)
- 4-((3-Chloro-4-fluorobenzyl)oxy)benzaldehyde (CAS 1443345-69-4)
- N-(5-(Benzylthio)-1,3,4-thiadiazol-2-yl)-3-chlorobenzamide (CAS 393566-47-7)
- 3-((3-Fluorophenyl)amino)-2-(naphthalen-1-yl)-1H-inden-1-one (CAS 1024474-09-6)
- Methyl 1-(4-fluorophenyl)-5-hydroxy-1H-pyrazole-3-carboxylate (CAS 1007073-76-8)
- Peptide Impurity 70 TFA Salt (CAS CATO-CPTD788570)
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