ML240

Alias: ML240; ML 240; ML-240
Cat No.:V4007 Purity: ≥98%
ML240 is a novel potent p97 inhibitor which inhibits p97 ATPase with an IC50 value of 100 nM.
ML240 Chemical Structure CAS No.: 1346527-98-7
Product category: p97
This product is for research use only, not for human use. We do not sell to patients.
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

ML240 is a novel potent p97 inhibitor which inhibits p97 ATPase with an IC50 value of 100 nM. ML240 inhibited degradation of a p97-dependent but not a p97-independent proteasome substrate in a dual-reporter cell line. ML240 also impaired the endoplasmic-reticulum-associated degradation (ERAD) pathway. The AAA ATPase p97 is a critical factor in maintaining protein homeostasis in eukaryotic cells, through its roles in promoting degradation of ubiquinated proteins by the proteasome and in maturation of autophagosomes. ML241 has the potential for treating cancer.

Biological Activity I Assay Protocols (From Reference)
Targets
p97 ATPase ( IC50 = 0.11 μM ); p97 ATPase ( Ki = 0.22 μMM )
ln Vitro
ML240 has an IC50 of 100 nM, making it a strong p97 inhibitor. In the UbG76V-GFP stabilization assay, ML240 exhibits activity (IC50, 0.9 μM). ML240 has a 0.22 μM Ki value and inhibits p97 in a competitive manner in relation to ATP. Furthermore, when tested at 20 μM, ML240 inhibits by more than 50% the labeling of just three protein kinase domains: DNAPK (DNA-dependent protein kinase), JAK1 JH2 (N-terminal pseudokinase domain of JAK1), and PIP5 K3 (phosphoinositide-3 kinase family). Independent of apical caspases 8 and 9, ML240 (1.1, 3.3, 10, or 20 μM) induces executioner caspases 3 and 7 and causes cell death[1].With GI50s of 0.76 and 0.5 μM after treatment for 24 hours, and 0.54 and 0.5 μM after treatment for 72 hours, respectively, ML240 is cytotoxic to HCT15 and SW403 cells[2].
Cell Assay
HeLa cells that are stable in their expression of ODD-luciferase are seeded (5000 cells/well) onto a 96-well white solid bottom plate and allowed to grow for 16 hours. Following a one-hour treatment with DMEM containing MG132 (4 μM), cells are twice washed with 100 μL PBS. In the well, cycloheximide (50 μg/mL), ML240, and DMEM containing 2.5% FBS are added.One of the four 96-well plates that have been prepared is removed from the incubator at each time interval (70, 90, 120, or 150 minutes). Each well holds 50 μL of medium. Luciferin (50 μL of 1 mg/mL in PBS) is added and incubated for 5 minutes at room temperature with 500 rpm shaking. The Synergy HT Microplate Reader uses an integration time of 0.1 ms to determine luminosity intensity[2].
References

[1]. Structure-activity relationship study reveals ML240 and ML241 as potent and selective inhibitors of p97 ATPase. ChemMedChem, 2013 Feb, 8(2):297-312.

[2]. Selective, reversible inhibitors of the AAA ATPase p97. Probe Reports from the NIH Molecular Libraries Program. April 14, 2011.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C23H20N6O
Molecular Weight
396.45
Exact Mass
396.17
Elemental Analysis
C, 69.68; H, 5.09; N, 21.20; O, 4.04
CAS #
1346527-98-7
Related CAS #
1346527-98-7
Appearance
Solid powder
SMILES
COC1=CC=CC2=C1N=C(N=C2NCC3=CC=CC=C3)N4C5=CC=CC=C5N=C4N
InChi Key
NHAMBLRUUJAFOY-UHFFFAOYSA-N
InChi Code
InChI=1S/C23H20N6O/c1-30-19-13-7-10-16-20(19)27-23(28-21(16)25-14-15-8-3-2-4-9-15)29-18-12-6-5-11-17(18)26-22(29)24/h2-13H,14H2,1H3,(H2,24,26)(H,25,27,28)
Chemical Name
2-(2-aminobenzimidazol-1-yl)-N-benzyl-8-methoxyquinazolin-4-amine
Synonyms
ML240; ML 240; ML-240
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

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 : 12.5~79 mg/mL ( 31.5~199.3 mM )
Ethanol : < 1 mg/mL
Solubility (In Vivo)
Solubility in Formulation 1: 2.5 mg/mL (6.31 mM) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), suspension solution; with sonication.
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 (6.31 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.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (6.31 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (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 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.5224 mL 12.6119 mL 25.2239 mL
5 mM 0.5045 mL 2.5224 mL 5.0448 mL
10 mM 0.2522 mL 1.2612 mL 2.5224 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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What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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.

Biological Data
  • ML240 and ML241 impair the endoplasmic-reticulum-associated degradation (ERAD) pathway, and only ML240 impairs the autophagy pathway and induces apoptosis. a) SW403 cells were treated with DMSO or compounds for 2 h. [1]. ChemMedChem, 2013 Feb, 8(2):297-312.
  • Michaelis–Menten plots for inhibition of p97 ATPase activity by a) ML240 and b) ML241. [1]. ChemMedChem, 2013 Feb, 8(2):297-312.
  • ML240 induces activation of caspases 3 and 7 and apoptosis. a) MIN and CIN colon cancer lines were treated with ML240 (1.1, 3.3, 10, or 20 μm) for 7 h prior to determination of caspase 3 and 7 activities in cell extract. [1].ChemMedChem, 2013 Feb, 8(2):297-312.
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