Paclitaxel EP Impurity E CAS 105454-04-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 105454-04-4 |
| Molecular Formula | C47H51NO14 |
| Molecular Weight | 853.91 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Paclitaxel EP Impurity E (CAS 105454-04-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C47H51NO14. Molecular weight: 853.91 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C47H51NO14 |
| Molecular Weight | 853.91 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) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2’-epi-Taxol (CAS 179798-21-1)
- Mal-amido-PEG8-val-gly-PAB-OH (CAS 2353409-52-4)
- Milataxel (CAS 393101-41-2)
- Vardenafil Impurity 47 (CAS 910554-78-8)
- Cefcapene Impurity 65 (CAS CATO-C4X-182465)
- 2,5-Dichloro-3-(difluoromethoxy)benzonitrile (CAS 1803817-99-3)
- 4-Amino-5-cyano-2-methylpyrimidine 4-amino-2-methylpyrimidine-5-carbonitrile 698-29-3 (CAS 698-29-3)
- 2-(1,4-Dioxaspiro[4.5]dec-6-en-7-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2304634-05-5)
- Potassium 2-(2,2,2-trifluoroethoxy)acetate (CAS 1007036-34-1)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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