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KU59403

Alias: KU 59403; KU-59403; KU59403
Cat No.:V23344 Purity: ≥98%
KU 59403 is a potent inhibitor of ATM with IC50s of 3 nM, 9.1 μM and 10 μM for ATM, DNA-PK and PI3K respectively.
KU59403
KU59403 Chemical Structure CAS No.: 845932-30-1
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
10mg
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Product Description
KU 59403 is a potent inhibitor of ATM with IC50s of 3 nM, 9.1 μM and 10 μM for ATM, DNA-PK and PI3K respectively.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
KU 59403 (1 μM) exhibits a sensitization of 11.9 in p53 mutant SW620 cells and the human breast cancer cell line MDAMB-231, while also potentiating VP-16 (1 μM) cytotoxicity in HCT116 and HCT116-N7 cells to a comparable degree. ±4.7 and 3.8±1.8 times, in that order. In MDA-MB231 cells, which have lower ATM expression and activity, KU 59403 (1 μM) inhibited IR-induced ATM activity by roughly 50%, whereas in HCT116 cells, it was more than 50% [1].
ln Vivo
At a single daily dosage of 12.5 mg/kg, KU59403 significantly sensitizes the body [1]. The KU59403 dose was increased to 25 mg/kg twice day, which produced maximal chemosensitivity and a three-fold increase in the tumor growth delay induced by BMY-40481 in SW620 and HCT116-N7 xenografts without causing considerable chemosensitivity. elevated toxicity [1].
Cell Assay
Cell viability assay[1]
Cell Types: LoVo, HCT116 and SW620 (human colon cancer), U2OS (human osteosarcoma) and MDA-MB-231 (human breast cancer) cells.
Tested Concentrations: 1μM.
Incubation Duration: 16 hrs (hours).
Experimental Results: ATM was at least 1000-fold more specific than other members of the PI3K family tested. Camptothecin cytotoxicity was enhanced in both cell lines, with a greater enhancement observed in LoVo cells compared with SW620 cells. Dramatically enhances the cytotoxicity of fixed concentrations of VP-16 (0.1 and 1 μM) or NSC 123127 (10 or 100 nM) in these cell lines, with VP-16 in SW620 cells and NSC 123127 in LoVo cells. The effect is greater.
Animal Protocol
Animal/Disease Models: CD-1 nude mice were subcutaneously (sc) (sc) implanted with SW620 or HCT116-N7 human cancer cell lines, with 1×107 cells per animal (n=5 per group) [1].
Doses: 6, 12.5 and 25 mg/kg. Dosing: 12.5 mg/kg IP twice (two times) daily (0 hrs (hrs (hours)) and 4 hrs (hrs (hours))), one time/day.
Experimental Results: Treatment with BMY-40481 alone resulted in a modest delay in tumor growth of 4 days (time to RTV4 = 10.5 days). This delay extended to 8.5 days when KU 59403 was administered intraperitoneally (ip) (ip) at 12.5 mg/kg twice (two times) daily for 5 days and to 11.5 when KU 59403 was administered intraperitoneally (ip) (ip) at 25 mg/kg twice (two times) daily for 5 days. days (time to reach RTV4 = 18 days).
References

[1]. Preclinical evaluation of a novel ATM inhibitor, KU59403, in vitro and in vivo in p53 functional and dysfunctional models of human cancer. Mol Cancer Ther. 2013 Jun;12(6):959-67.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C29H32N4O4S2
Molecular Weight
564.72
Exact Mass
564.186
CAS #
845932-30-1
PubChem CID
11433009
Appearance
White to yellow solid powder
Density
1.4±0.1 g/cm3
Boiling Point
814.3±65.0 °C at 760 mmHg
Flash Point
446.3±34.3 °C
Vapour Pressure
0.0±2.9 mmHg at 25°C
Index of Refraction
1.683
LogP
4.48
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
9
Rotatable Bond Count
6
Heavy Atom Count
39
Complexity
963
Defined Atom Stereocenter Count
0
InChi Key
IIBZKDYAYJSSGB-UHFFFAOYSA-N
InChi Code
InChI=1S/C29H32N4O4S2/c1-31-9-11-32(12-10-31)8-7-27(35)30-20-5-6-24-26(17-20)38-25-4-2-3-22(29(25)39-24)23-18-21(34)19-28(37-23)33-13-15-36-16-14-33/h2-6,17-19H,7-16H2,1H3,(H,30,35)
Chemical Name
3-(4-methylpiperazin-1-yl)-N-[6-(6-morpholin-4-yl-4-oxopyran-2-yl)thianthren-2-yl]propanamide
Synonyms
KU 59403; KU-59403; KU59403
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~10 mg/mL (~17.71 mM)
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.7708 mL 8.8539 mL 17.7079 mL
5 mM 0.3542 mL 1.7708 mL 3.5416 mL
10 mM 0.1771 mL 0.8854 mL 1.7708 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.

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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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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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