| Size | Price | Stock | Qty |
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| 5mg |
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| 10mg |
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| 50mg |
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| Other Sizes |
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| ln Vitro |
The extremely selective PI3Kδ is more than 1000 times more likely to be targeted by nemiralisib (GSK2269557 free base) than the closely related isoforms PI3Kα (pIC50=5.3), PI3Kβ (pIC50=5.8), and PI3Kγ (pIC50=5.2). In peripheral blood mononuclear (PBMC) assays, nemalisib suppresses IFNγ with a pIC50 of 9.7 [1].
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| ln Vivo |
In order to assess the suitability of this product series for inhalation administration clearance in rat microsomes, Sprague Dawley male rats were used to collect in vivo pharmacokinetic data. Nemiralisib, for example, was given intravenously or orally to two rats per route, with doses of 3 mg/kg and 1 mg/kg, respectively. In the disease-associated brown Norway rat acute OVA model of type 2 helper T cell (Th2)-driven lung inflammation, nemalisib free base is effective [1].
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| References |
[1]. Down K et al. Optimization of Novel Indazoles as Highly Potent and Selective Inhibitors of Phosphoinositide 3-Kinase δ for the Treatment of Respiratory Disease. J Med Chem. 2015 Sep 24;58(18):7381-99
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| Molecular Formula |
C26H28N6O
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|---|---|
| Molecular Weight |
440.540124893188
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| CAS # |
1254036-71-9
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| Related CAS # |
Nemiralisib hydrochloride;1254036-77-5
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| SMILES |
CC(C)N1CCN(CC1)CC2=CN=C(O2)C3=C4C=NNC4=CC(=C3)C5=C6C=CNC6=CC=C5
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
DMSO : ~33.33 mg/mL (~75.66 mM)
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.25 mg/mL (5.11 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 22.5 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: ≥ 2.25 mg/mL (5.11 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 22.5 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.2699 mL | 11.3497 mL | 22.6994 mL | |
| 5 mM | 0.4540 mL | 2.2699 mL | 4.5399 mL | |
| 10 mM | 0.2270 mL | 1.1350 mL | 2.2699 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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