Benzylpenicillin Potassium EP impurity E CAS 11039-68-2
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 11039-68-2 |
| Molecular Formula | C16H20N2O5S |
| Molecular Weight | 352.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Benzylpenicillin Potassium EP impurity E (CAS 11039-68-2) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H20N2O5S. Molecular weight: 352.41 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C16H20N2O5S |
| Molecular Weight | 352.41 g/mol |
| Purity | >90% |
| Storage | Store at 2-8°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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Benzylpenicillin Standards
- Benzylpenicillin Impurity 21(Mixture of Diastereomers) (CAS 13057-98-2)
- Benzylpenicillin EP Impurity E (CAS CATO-C4X-18995)
- Benzylpenicillin impurity 58 (CAS 493-39-0)
- Benzylpenicillin Impurity 10 (CAS 34104-15-9)
- Benzylpenicillin Potassium EP Impurity C (CAS 525-91-7)
- Benzylpenicillin Impurity 28 (CAS 4052-54-4)
- Benzylpenicillin Impurity 83 (CAS CATO-C4X-189983)
- Benzylpenicillin Impurity 84 (CAS CATO-C4X-189984)
Recommended Standards
- Efinaconazole-d4 (CAS CATO-C4X-124350)
- Ampicillin Impurity 83 (CAS CATO-C4X-144383)
- Efinaconazole-D4 (CAS 164650-44-6 (unlabeled))
- Solriamfetol Impurity N1 (CAS 275378-91-1)
- Rivaroxaban Impurity 31 (CAS 1424944-35-3)
- Benzyl 2-((tert-butoxycarbonyl)amino)pyrrolidine-1-carboxylate (CAS 57173-60-1)
- 7-(((1,2,4-Thiadiazol-5-yl)sulfonyl)methyl)-5-chloroquinolin-8-ol (CAS 922505-47-3)
- 2-(2-Phenyl-1H-indol-3-yl)acetonitrile (CAS 27005-52-3)
- 5-(Decylthio)quinoline-8-thiol (CAS 60465-72-7)
- Semaglutide impurity 42 (CAS CATO-C4X-222642)
Why CATO?
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