KW-2478

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

KW-2478
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100mg$900Check With Us
250mg$1800Check With Us
500mg$2700Check With Us

Cat #: V0889 CAS #: 819812-04-9 Purity ≥ 98%

Description: KW-2478 (KW 2478; KW2478) is a nonansamycin inhibitor of HSP90 (Heat Shock Protein 90) with potential antitumor activity.

References: Nakashima T, et al. New molecular and biological mechanism of antitumor activities of KW-2478, a novel nonansamycin heat shock protein 90 inhibitor, in multiple myeloma cells. Clin Cancer Res. 2010 May 15;16(10):2792-802.

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Molecular Weight (MW)574.66
Molecular FormulaC30H42N2O9
CAS No.819812-04-9
Storage-20℃ for 3 years in powder formr
-80℃ for 2 years in solvent
Solubility In VitroDMSO: 115 mg/mL (200.1 mM)r
Water: <1 mg/mLr
Ethanol: 3 mg/mL (5.2 mM)
Solubility In Vivo30% propylene glycol, 5% Tween 80, 65% D5W: 10mg/mL
SMILES CodeO=C(N(CCOC)CCOC)CC1=C(C(C2=CC=C(OCCN3CCOCC3)C(OC)=C2)=O)C(O)=CC(O)=C1CC
SynonymsKW-2478; KW2478; KW 2478
ProtocolIn VitroKW-2478 is an inhibitor of Hsp90, with an IC50 of 3.8 nM for Hsp90α. KW-2478 shows anti-proliferative activity against multiple myeloma (MM) and non-Hodgkin’s lymphoma (NHL), with GI50s of 0.30 μM (OPM-2/GFP), 0.34 μM (KMS-11), 0.39 μM (RPMI 8226), 0.12 μM (NCI-H929), 0.36 μM (Raji), 0.098 μM (SR), and 0.33 μM μM (SC-1). KW-2478 also inhibits the transcription of c-Maf and Cyclin D1 genes by mainly suppressing the function of Cdk9.
In VivoKW-2478 (25-200 mg/kg, i.v.) inhibits tumor growth in combined immunodeficiency (SCID) mice bearing NCI-H929 cells, without body weight loss. KW-2478 (100 mg/kg, i.v.) causes degradation of the Hsp90 client proteins (IGF-1Rβ, c-Raf-1, Cdk9) levels and dephosphorylated Erk1/2 proteins in NCI-H929 tumors of 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
1mM1.7402 mL8.7008 mL17.4016 mL34.8032 mL
5mM0.3480 mL1.7402 mL3.4803 mL6.9606 mL
10mM0.1740 mL0.8701 mL1.7402 mL3.4803 mL
20mM0.0870 mL0.4350 mL0.8701 mL1.7402 mL
Quality Control Documentation
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
=
Concentration
×
Volume
×
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.