Daunorubicin EP Impurity E CAS 28008-51-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 28008-51-7 |
| Molecular Formula | C21H20O8 |
| Molecular Weight | 400.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Daunorubicin EP Impurity E (CAS 28008-51-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H20O8. Molecular weight: 400.38 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H20O8 |
| Molecular Weight | 400.38 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.) | 1965 |
Related Daunorubicin Standards
- Daunorubicin Impurity N3 (CAS 32434-04-1)
- Daunorubicin Impurity 1 (CAS 1159977-24-8)
- Daunorubicin Impurity N3 (CAS 29742-69-6)
- Daunorubicin Impurity 16 (CAS CATO-C4X-193716)
- Daunorubicin Impurity 10 (CAS 76034-18-9)
- 3-epi-Daunorubicin (CAS 66322-65-4)
- epi-Daunorubicin (CAS 57918-24-8)
- Daunorubicin EP Impurity B ((S)-Isomer) (CAS 28008-55-1)
Recommended Standards
- Minocycline impurity 75 (CAS 803616-67-3)
- Etoposide EP Impurity L (CAS 40505-27-9)
- Methotrexate Impurity 35 (CAS CATO-C4X-115435)
- Cefixime Impurity 36 (CAS CATO-C4X-113936)
- Metformin Impurity 107 (CAS CATO-C4X-1065107)
- 4-Bromo-6-methylquinoline-3-carbonitrile (CAS 1260901-33-4)
- 3-[(3-Chlorophenyl)methyl]-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1105224-75-6)
- 5-(2-Bromo-3-(trifluoromethyl)phenyl)oxazole (CAS 2364585-32-8)
- Gibberellenic Acid (CAS 546-09-8)
- Tau Peptide (74-102) (Exon 3/Insert 2 Domain) trifluoroacetate salt (CAS 1322695-34-0)
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