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Ritonavir (ABT 538) is a peptidomimetic agent that inhibits both HIV-1 and HIV-2 proteases. Ritonavir is highly inhibited by serum proteins but boosts the effect of other HIV proteases by blocking their degradation by cytochrome P450.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
5 mg | $31 | In Stock | |
10 mg | $45 | In Stock | |
25 mg | $72 | In Stock | |
50 mg | $103 | In Stock | |
100 mg | $148 | In Stock | |
200 mg | $213 | In Stock | |
500 mg | $357 | In Stock | |
1 g | $528 | In Stock | |
1 mL x 10 mM (in DMSO) | $45 | In Stock |
Description | Ritonavir (ABT 538) is a peptidomimetic agent that inhibits both HIV-1 and HIV-2 proteases. Ritonavir is highly inhibited by serum proteins but boosts the effect of other HIV proteases by blocking their degradation by cytochrome P450. |
In vivo | Ritonavir is a potent inhibitor of CYP3A-mediated biotransformation (terfenadine hydroxylation, IC50 of 0.14 mM; 17alpha-ethynylestradiol 2-hydroxylation, IC50 of 2 mM; nifedipine oxidation, IC50 of 0.07 mM).Ritonavir is a a potent inhibitor of CYP3A4-mediated testicular 6β-hydroxylation (Ki: 19 nM), and also inhibited hydroxylation by toluenesulfonylurea (IC50: 4.2 μM).Ritonavir also inhibited CYP2D6 (IC50: 2.5 mM) and CYP2C9/10 (IC50: 8.0 mM)-mediated responses.Ritonavir Ritonavir increased the cellular activity of uninfected human PBMC cultures.Ritonavir inhibited p-glycoprotein-mediated saquinavir solubilization (IC50: 0.2 μM), suggesting that Ritonavir has a high affinity for p-glycoprotein.Ritonavir significantly inhibited the metabolism of human hepatic microsomes ABT-378 (Ki: 13 nM). Ritonavir binding to ABT-378 ( in 3:1 and 29:1 ratios) was able to inhibit CYP3A (IC50: 1.1 and 4.6 μM). In cultures of uninfected human PBMCs, Ritonavir significantly reduced the susceptibility of PBMCs to apoptosis (associated with low levels of caspase-1 expression), decreased caspase-3 activity, and reduced membrane-bound protein staining. Ritonavir inhibited the induction of tumor necrosis factor produced by PBMCs and monocytes at nontoxic concentrations in a time- and dose-dependent manner. |
Alias | RTV, ABT 538, Abbott 84538, A 84538 |
Molecular Weight | 720.94 |
Formula | C37H48N6O5S2 |
Cas No. | 155213-67-5 |
Smiles | CC(C)[C@H](NC(=O)N(C)CC1=CSC(=N1)C(C)C)C(=O)N[C@H](C[C@H](O)[C@H](CC1=CC=CC=C1)NC(=O)OCC1=CN=CS1)CC1=CC=CC=C1 |
Relative Density. | 1.239 g/cm3 |
Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | |||||||||||||||||||||||||||||||||||
Solubility Information | DMSO: 50 mg/mL (69.35 mM), Heating is recommended. Ethanol: 7.2 mg/mL (10 mM) | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
Ethanol/DMSO
DMSO
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