Lopinavir EP Impurity Q CAS 667904-94-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 667904-94-1 |
| Molecular Formula | C38H44N2O5 |
| Molecular Weight | 608.77 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Lopinavir EP Impurity Q (CAS 667904-94-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C38H44N2O5. Molecular weight: 608.77 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C38H44N2O5 |
| Molecular Weight | 608.77 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related Lopinavir Standards
- Lopinavir EP Impurity J (CAS CATO-C4X-168210)
- Lopinavir EP Impurity K (CAS CATO-C4X-168211)
- Lopinavir EP Impurity M (CAS CATO-C4X-168213)
- Lopinavir EP Impurity N (CAS CATO-C4X-168214)
- Lopinavir EP Impurity P (CAS 1217628-64-2)
- Lopinavir Impurity 31 (CAS CATO-C4X-168231)
- Lopinavir EP Impurity I (CAS CATO-C4X-16829)
- Lopinavir (CAS 192725-17-0)
Recommended Standards
- CAS 2089062-80-4 (CAS 2089062-80-4)
- 4,4',4'',4'''-([2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetrayl)tetrabenzonitrile (CAS 1356336-67-8)
- 9-([1,1'-Biphenyl]-4-yl)-10-(4-(4-phenylnaphthalen-1-yl)phenyl)anthracene (CAS 1956379-56-8)
- Dopamine Impurity 89 (and Enantiomer) (CAS 482579-01-1)
- Finerenone Impurity 11 (CAS 2640280-85-7)
- N-Phenylmethanesulfonamide (CAS 1197-22-4)
- 10-Oxo-10-((1-oxoisoindolin-4-yl)amino)decanoic acid (CAS 366453-84-1)
- (1-Naphthalenylmethyl)[(tetrahydro-2-furanyl)methyl]-propanedioic Acid Diethyl Ester (CAS 85068-37-7)
- 4-Trimethylsilyloxybenzaldehyde (CAS 17869-75-9)
- Liraglutide (CAS 204656-20-2)
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