| Size | Price | Stock | Qty |
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| 5mg |
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| 10mg |
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| 25mg |
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| 50mg |
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| 100mg |
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Purity: ≥98%
Pilaralisib (formerly XL-147; SAR-245408) is a novel, potent, orally bioavailable, ATP-competitive, selective and reversible inhibitor of class I PI3K (phosphatidylinositol 3-kinase) has been shown to have potential anticancer activity. It is less potent against PI3Kβand inhibits PI3Kα/δ/γ with an IC50 of 39 nM/36 nM/23 nM in cell-free assays. For the treatment of various cancers, including lymphoma, solid tumors, glioblastoma, and breast cancer, pilaralisib has been studied.
| Targets |
PI3Kα (IC50 = 39 nM); PI3Kβ (IC50 = 383 nM); PI3Kδ (IC50 = 36 nM); PI3Kγ (IC50 = 23 nM); Vps34 (IC50 = 6974 nM); DNA-PK (IC50 = 4750 nM)
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| ln Vitro |
Pilaralisib exhibits cytotoxic activity in Pediatric Preclinical Testing Program (PPTP) cell lines, with a median relative IC50 of 10.9 mM (interquartile range, 2.7 to 24.5 mM).[2]
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| ln Vivo |
Pilaralisib (100 mg/kg, p.o.) inhibits the growth of solid glioma xenografts in BALB/c nu/nu mice. With a toxicity rate of only 0.7% in the treated groups, pilaralisib is well tolerated and is comparable to what was seen in the control animal population. [2] Pilaralisib (100 mg/kg, p.o.) significantly slows tumor growth in athymic female mice while posing minimal drug-related side effects. [3]
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| Enzyme Assay |
Using luciferase-luciferin-coupled chemiluminescence, kinase activity for PI3K isoforms is quantified as the proportion of ATP consumed after the kinase reaction, with ATP concentrations roughly equal to the Km for each individual kinase. Test compounds, ATP, and kinase are combined in a 20 μL volume to start kinase reactions. The final enzyme concentrations for PI3Kα, PI3Kβ, PI3Kγ, and PI3Kδ are 0.5, 8, 20, and 2 nM, respectively. Noteworthy is the mixing of 10 μL of enzyme solution with 0.5 μLof dimethyl sulfoxide (DMSO) containing varying concentrations of the test compound. 10 μL of liver phosphatidylinositol and 2 mL of ATP solution are added to start kinase reactions. VPS34, ATP, and phosphatidylinositol have respective assay concentrations of 40 nM, 1 M, and 5 μM.
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| Cell Assay |
MTT or WST-1 reagent that has already been mixed are used to measure cell proliferation. 10,000 cells are seeded in each well of 96-well plates for MTT/WST-1 assays. Cells are given DMSO or pilaralisib treatment 24 hours after plating. MTT/WST-1 assays are carried out five days after the start of treatment.
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| Animal Protocol |
Mice: The animals used are male and female athymic nude mice. The weights of the mouse body and the tumor are measured after the establishment of the tumor cells as xenografts in culture. The two-tailed Student t test is used to determine statistical significance (significance is P 0.05). Pilaralisib (XL147) is prepared in either water or sterile water with 10 mmol/L of HCl and is given orally via gavage at the prescribed doses and schedules with a dose volume of 10 mL/kg.
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| References |
| Molecular Formula |
C25H25CLN6O4S
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|---|---|
| Molecular Weight |
541.0218
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| Exact Mass |
541.023
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| Elemental Analysis |
C, 55.50; H, 4.66; Cl, 6.55; N, 15.53; O, 11.83; S, 5.93
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| CAS # |
934526-89-3
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| Related CAS # |
934526-89-3;956958-53-5.;
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| Appearance |
Solid powder
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| SMILES |
CC(C)(N)C(NC1=CC=CC(S(=O)(NC2=NC3=CC=CC=C3N=C2NC4=CC(OC)=CC=C4Cl)=O)=C1)=O
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| InChi Key |
QINPEPAQOBZPOF-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C25H25ClN6O4S/c1-25(2,27)24(33)28-15-7-6-8-17(13-15)37(34,35)32-23-22(29-19-9-4-5-10-20(19)30-23)31-21-14-16(36-3)11-12-18(21)26/h4-14H,27H2,1-3H3,(H,28,33)(H,29,31)(H,30,32)
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| Chemical Name |
2-amino-N-(3-(N-(3-((2-chloro-5-methoxyphenyl)amino)quinoxalin-2-yl)sulfamoyl)phenyl)-2-methylpropanamide.
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| Synonyms |
XL147; XL 147; Pilaralisib; SAR 245408; SAR245408; SAR-245408; XL-147
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| HS Tariff Code |
2934.99.9001
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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: ~100 mg/mL warming (184.8 mM)
Water: <1 mg/mL Ethanol: <1 mg/mL |
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 2.5 mg/mL (4.62 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 25.0 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: 2.5 mg/mL (4.62 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 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. View More
Solubility in Formulation 3: 10 mM HCl in sterile water: 0.5mg/mL |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 1.8484 mL | 9.2418 mL | 18.4836 mL | |
| 5 mM | 0.3697 mL | 1.8484 mL | 3.6967 mL | |
| 10 mM | 0.1848 mL | 0.9242 mL | 1.8484 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.
| NCT Number | Status | Interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
| NCT01013324 | Completed | Drug: XL147 (SAR245408) | Endometrial Cancer Endometrial Neoplasms |
Sanofi | January 2010 | Phase 2 |
| NCT01042925 | Completed | Drug: XL147 (SAR245408) Drug: paclitaxel |
Breast Cancer Breast Neoplasms |
Sanofi | February 2010 | Phase 1 Phase 2 |
| NCT01082068 | Completed | Drug: XL147 (SAR245408) Drug: XL765 (SAR245409) |
Breast Cancer | Sanofi | June 2010 | Phase 1 Phase 2 |
SAR245408 (XL147) in vitro activity |
SAR245408 (XL147) activity in vivo against individual tumor xenografts. Pediatr Blood Cancer. 2013, 60(5), 791-798. |
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