China Wucine Supply High Purity CAS 206361-99-1 99% Darunavir in Stock, Find details about China Darunavir Powder, Darunavir Injection from Wucine Supply High Purity CAS 206361-99-1 99% Darunavir in Stock
Darunavir is the latest weapon in the arsenal of agents to combat human immunodeficiency virus type 1(HIV-1).
As an HIV-1 protease inhibitor, its mechanism of action involves blocking the cleavage of the gag and gag-pol polyproteins into functional proteins essential for the production of infectious progeny virus;
the result is the production of immature, noninfectious viral particles.
Compared to predecessor HIV protease inhibitors, darunavir retains activity against resistant stains, a critical factor with the continual emergence of multidrug- resistant (MDR) mutants. Despite experiencing a 13-fold reduction in binding to MDR HIV-1 protease, this binding is 1.5 orders of magnitude tighter than the first-generation protease inhibitors.
Physical&Chemical Control | ||
ITEM | SPECIFICATION | RESULTS |
Appearance | Fine powder | Complies |
Colorl | White | Complies |
Odor&Taste | Characteristic | Complies |
Assay | ≥99% | 99.53% |
Heavy Metals | ≤10ppm | Complies |
Pb | ≤2ppm | Complies |
As | ≤2ppm | Complies |
Hg | ≤1ppm | Complies |
Cad | ≤1ppm | Complies |
Sulphates | ≤300ppm | Complies |
Ammonium | ≤200ppm | Complies |
Iron | ≤10ppm | Complies |
Microbiological Control | ||
Total plate count | ≤1000CFU/G | Complies |
Yeast & mold | ≤100 CFU /G | Complies |
Total coli forms | ≤100 CFU /G | Complies |
E.coli | Negative | Negative |
Salmonella | Negative | Negative |
Function & Application:
Darunavir exhibits less than a 10-fold decrease in susceptibility in cell culture against 90% of 3309 clinical isolatesresistant to amprenavir, atazanavir, indinavir, lopinavir, nelfinavir, ritonavir, saquinavir, and tipranavir.In contrast, darunavir-resistant viruses display limited susceptibility to only tipranavir, suggesting limited cross-resistance between these two protease inhibitors.To avoid the issues of the peptide-based protease inhibitors, darunavir has evolved from a structure-based design effort to minimize peptidic features and reduce molecular weight and complexity.
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