Docetaxel EP Impurity E CAS 32981-86-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 32981-86-5 |
| Molecular Formula | C29H36O10 |
| Molecular Weight | 544.59 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Docetaxel EP Impurity E (CAS 32981-86-5) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C29H36O10. Molecular weight: 544.59 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C29H36O10 |
| Molecular Weight | 544.59 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Related Docetaxel Standards
- Docetaxel Impurity 37 (CAS 172018-16-5)
- Docetaxel Impurity 40 (CAS 92950-45-3)
- Docetaxel Impurity 41 (CAS 151636-94-1)
- Docetaxel Impurity 27 (CAS CATO-C4X-161927)
- Docetaxel Impurity 86 (CAS CATO-C4X-161986)
- Docetaxel Impurity 25 (CAS CATO-C4X-161925)
- Docetaxel Impurity 42 (CAS 670254-71-4)
- Docetaxel Impurity 64 (CAS CATO-C4X-161964)
Recommended Standards
- Paclitaxel Impurity 34 (CAS 71629-92-0)
- Flurbiprofen Impurity 147 (CAS CATO-C4X-1444147)
- 5’-O-(4,4’-Dimethoxytrityl)-3’-β-hydroxythymidine (CAS 112501-53-8)
- Nizatidine impurity 17 (CAS CATO-C4X-138017)
- Atazanavir Impurity 10 (CAS 98737-29-2)
- 2-Chloro-N-methoxy-N-methylbenzamide (CAS 289686-74-4)
- tert-Butyl (2-amino-1-cyclohexylethyl)carbamate (CAS 1111598-02-7)
- 2-(4-Iodobenzoyl)phenyl acetate (CAS 890099-28-2)
- 2-Methyl-4-(2-thienyl)-1,3-thiazole (CAS 21036-67-9)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
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