Lopinavir EP Impurity S CAS 943250-65-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 943250-65-5 |
| Molecular Formula | C47H58N4O7 |
| Molecular Weight | 790.99 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Lopinavir EP Impurity S (CAS 943250-65-5) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C47H58N4O7. Molecular weight: 790.99 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C47H58N4O7 |
| Molecular Weight | 790.99 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
Related Lopinavir Standards
- Lopinavir EP Impurity R (CAS 943250-66-6)
- Lopinavir EP Impurity O (CAS CATO-C4X-168215)
- Lopinavir Impurity 2 (CAS CATO-C4X-168222)
- Lopinavir EP Impurity D (CAS CATO-C4X-16824)
- Lopinavir EP Impurity T (CAS 1797024-56-6)
- Lopinavir Impurity 3 (CAS CATO-C4X-168221)
- Lopinavir EP Impurity C (CAS CATO-C4X-168229)
- Lopinavir Metabolite M-3/M-4 (CAS 221553-72-6)
Recommended Standards
- Gadobutrol Impurity 35 (CAS 52667-88-6)
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- Plerixafor Impurity 10 (CAS 74676-47-4)
- Folic Acid Impurity 39 (CAS CATO-C4X-139539)
- Vitamin K1 Impurity 15 (CAS 132487-94-6)
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- 1-Methylimidazole Hydrobromide (CAS 101023-58-9)
- 1-(3-Methylphenyl)-1h-pyrazole-4-sulfonyl chloride (CAS 1156603-82-5)
- Endo-Ala35-Tirzepatide (CAS CATO-CPTD788687)
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