SKLB4771

This product is for research use only, not for human use. We do not sell to patients.

SKLB4771
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Cat #: V2881 CAS #: 1370256-78-2 Purity ≥ 98%

Description: SKLB4771 (also known as FLT3-IN-1) is a novel, potent and selective inhibitor of FLT3 (fms-like tyrosine kinase 3) that may be potentially used for the treatment of cutaneous inflammation and psoriasis-like symptoms of disease.

References: Li WW, et al. Discovery of the novel potent and selective FLT3 inhibitor 1-{5-[7-(3- morpholinopropoxy)quinazolin-4-ylthio]-[1,3,4]thiadiazol-2-yl}-3-p-tolylurea and its anti-acute myeloid leukemia (AML) activities in vitro and in vivo. J Med Chem. 2012 Apr 26;55(8):3852-66.

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Molecular Weight (MW)537.66
Molecular FormulaC25H27N7O3S2
CAS No.1370256-78-2
Storage-20℃ for 3 years in powder formr
-80℃ for 2 years in solvent
Solubility In VitroDMSO: ≥ 47 mg/mLr
Water:r
Ethanol:
SMILES CodeO=C(NC1=CC=C(C)C=C1)NC2=NN=C(SC3=C4C=CC(OCCCN5CCOCC5)=CC4=NC=N3)S2
SynonymsFLT3-IN-1; FLT3-IN1; FLT3-IN 1; SKLB4771; SKLB-4771; SKLB 4771.
ProtocolIn VitroSKLB4771 (0-300 nM; 20 h) inhibits FLT3 phosphorylation and also decreases the phosphorylation of the downstream signaling proteins STAT5 and ERK1/2 at concentrations >0.1 μM. SKLB4771 (compound 20c) (72 h) inhibits FLT3-ITD-expressing MV4-11 cells with an IC50 value of 6 nM, and inhibits other cancer cells with IC50s of 3.05 μM (Jurkat), 6.25 μM (Ramos), 3.72 μM (PC-9), 6.94 μM (H292), and 8.91 μM (A431), respectively.
In VivoSKLB4771 (20-100 mg/kg; i.p.; once daily; 21 d) inhibits tumor growth in vivo without significant weight loss or any other obvious signs of toxicity on mice.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM1.8599 mL9.2996 mL18.5991 mL37.1982 mL
5mM0.3720 mL1.8599 mL3.7198 mL7.4396 mL
10mM0.1860 mL0.9300 mL1.8599 mL3.7198 mL
20mM0.0930 mL0.4650 mL0.9300 mL1.8599 mL
Quality Control Documentation
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
=
Concentration
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Volume
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Molecular Weight*
The dilution calculator equation
Concentration(start) × Volume(start) = Concentration(final) × Volume(final)

This equation is commonly abbreviated as: C1 V1 = C2 V2

Concentration(start)
C1
×
Volume(start)
V1
=
Concentration(final)
C2
×
Volume(final)
V2
Step One: Enter information below
Dosage mg/kg Average weight of animals g Dosing volume per animal µL Number of animals
Step Two: Enter the in vivo formulation
%DMSO + % + %Tween 80 + %ddH2O

Calculation Results:
Working concentration: mg/ml;
Method for preparing DMSO master liquid: mg drug pre-dissolved in µL DMSO(Master liquid 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 master liquid, next add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH2O,mix and clarify.
Note:
  • (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.