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Catalog No. T3063Cas No. 260415-63-2
PD173955 is src family-selective tyrosine kinase inhibitor with IC50 of ~22 nM for Src, Yes and Abl kinase; less potent for FGFRα and no activity on InsR and PKC.
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Pack SizePriceAvailabilityQuantity
1 mg$40In Stock
5 mg$81In Stock
10 mg$147In Stock
25 mg$297In Stock
50 mg$459In Stock
100 mg$689In Stock
1 mL x 10 mM (in DMSO)$166In Stock
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Product Introduction

PD173955 is src family-selective tyrosine kinase inhibitor with IC50 of ~22 nM for Src, Yes and Abl kinase; less potent for FGFRα and no activity on InsR and PKC.
In vivo
PD173955 serves as a Src inhibitor, effectively inhibiting mitotic progression during the early stages of mitosis across various cell types while inducing apoptosis to varying degrees. It efficiently suppresses Bcr-Abl-dependent cellular growth, displaying an IC50 value of 2-35 nM in Bcr-Abl-positive cell lines, which is approximately 100 to 200 times more sensitive than in Bcr-Abl-negative cell lines. Additionally, PD173955 inhibits the stem cell factor-dependent proliferation of M07e cells by blocking the ligand-dependent autophosphorylation of c-kit, with an IC50 of 40 nM.
Kinase Assay
In Vitro Bcr-Abl Kinase Assays: Bcr-Abl complexed to SHIP2 is immunoprecipitated from cell lysates of K562 cells maintained in log-phase culture conditions. Complexes are collected on protein A-Sepharose, and complexes are washed three times in lysis buffer and then washed twice in abl kinase buffer [50 mM Tris (pH 8.0), 10 mM MgCl2, 1 mM DTT, 2 mM p-nitrophenylphosphate, and 2 μM ATP; New England Biolabs Buffer and protocol]. Kinase assays are performed with 10 μM [γ-32P]ATP/sample for 15–60 min at 30°C in the presence or absence of the indicated concentrations of drug. The reaction is stopped by the addition of SDS-PAGE sample buffer and heated at 100°C for 10 min. Proteins are separated on 7.5% SDS-polyacrylamide gels, gels are dried under vacuum, and phosphorylation is visualized by autoradiography on X-ray film.
Cell Research
Cell growth is determined by two methods. For the [3H]thymidine assay, cells (104 cells/well) are cultured in 96-well, round-bottomed plates with diluted DMSO (control) or with varying concentrations of a specific compound that is resuspended in DMSO for 48 h at 37°C. [3H]Thymidine is added at a concentration of 1 μCi/well, and cells are incubated for an additional 18 h. Cells were harvested with the Unifilter system, scintillation fluid (25 μl/well) is added to each well, and [3H]thymidine incorporation is determined on a Packard Scintillation Counter. Data points for all assays are obtained in triplicate, and background incorporation from cell-free wells is determined and subtracted from all data points. For cell viability, control and drug-treated harvested cells are counted on a hemocytometer using the trypan blue dye exclusion method.(Only for Reference)
AliasPD-173955, PD 173955
Chemical Properties
Molecular Weight443.35
Cas No.260415-63-2
Storage & Solubility Information
Storagestore at low temperature Powder: -20°C for 3 years | In solvent: -80°C for 1 year
Solubility Information
Ethanol: < 1 mg/mL (insoluble or slightly soluble)
DMSO: 12 mg/mL (27.1 mM)
Solution Preparation Table
50 mM0.0451 mL0.2256 mL0.4511 mL2.2556 mL
100 mM0.0226 mL0.1128 mL0.2256 mL1.1278 mL


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