2. Metabolic Enzyme/Protease Apoptosis
  3. NAMPT Apoptosis
  4. CHS-828

CHS-828 (GMX1778) is a competitive inhibitor of nicotinamide phosphoribosyltransferase (NAMPT), with an IC50 less than 25 nM. CHS-828 (GMX1778) exerts a cytotoxic effect by decreasing the cellular level of NAD+ and exhibits a potent anticancer activity.

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CHS-828 Chemical Structure

CHS-828 Chemical Structure

CAS No. : 200484-11-3

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10 mM * 1 mL in DMSO
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Based on 1 publication(s) in Google Scholar

CHS-828 Related Antibodies

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Description

CHS-828 (GMX1778) is a competitive inhibitor of nicotinamide phosphoribosyltransferase (NAMPT), with an IC50 less than 25 nM. CHS-828 (GMX1778) exerts a cytotoxic effect by decreasing the cellular level of NAD+ and exhibits a potent anticancer activity[1].

IC50 & Target

IC50: < 25 nM (NAMPT)[1].
In Vitro

The phosphoribosyltransferase activity of recombinant NAMPT was sensitive to inhibition by CHS-828 (GMX1778) (IC50 < 25 nM) whereas the adenyltransferase activity of recombinant NMNAT1 was not. The Kd of recombinant NAMPT for GMX1778 labeled with a fluorescent tag (CHS-828 (GMX1778)-Alexa Fluor) was 120 nM. Overexpression of wild-type NAMPT was able to maintain a certain level of NAD+ under conditions of challenge with 3 nM GMX1778, but this effect was lost when cells were exposed to 300 nM CHS-828 (GMX1778)[1]. CHS-828 (GMX1778) increases intracellular ROS in cancer cells by elevating the superoxide level while decreasing the intracellular NAD(+) level. Notably, CHS-828 (GMX1778) treatment does not induce ROS in normal cells. CHS-828 (GMX1778)-induced ROS can be diminished by adding nicotinic acid (NA) in a NA phosphoribosyltransferase 1 (NAPRT1)-dependent manner[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

CHS-828 Related Antibodies
In Vivo

A 4-h iv infusion of NA (120 mg/kg of body weight) did not adversely affect the antitumor activity of a 24-h iv infusion of CHS-828 (GMX1778) at a dose of 150 mg/kg or 650 mg/kg in the NAPRT1-deficient xenograft experiments. CHS-828 (GMX1778) at 650 mg/kg is above the maximum tolerated dose. The administration of NA as a 4-h iv infusion immediately following treatment with 750 mg/kg CHS-828 (GMX1778) reduced the mortality associated with toxic doses of GMX1777[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Clinical Trial
Molecular Weight

371.86

Formula

C19H22ClN5O
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

N#CN/C(NCCCCCCOC1=CC=C(C=C1)Cl)=N\C2=CC=NC=C2
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : ≥ 39 mg/mL (104.88 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.6892 mL 13.4459 mL 26.8918 mL
5 mM 0.5378 mL 2.6892 mL 5.3784 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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Concentration
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Volume
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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

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Volume (start)

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C2

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Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    90% Corn Oil

    Solubility: ≥ 2.5 mg/mL (6.72 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
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% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.6892 mL 13.4459 mL 26.8918 mL 67.2296 mL
5 mM 0.5378 mL 2.6892 mL 5.3784 mL 13.4459 mL
10 mM 0.2689 mL 1.3446 mL 2.6892 mL 6.7230 mL
15 mM 0.1793 mL 0.8964 mL 1.7928 mL 4.4820 mL
20 mM 0.1345 mL 0.6723 mL 1.3446 mL 3.3615 mL
25 mM 0.1076 mL 0.5378 mL 1.0757 mL 2.6892 mL
30 mM 0.0896 mL 0.4482 mL 0.8964 mL 2.2410 mL
40 mM 0.0672 mL 0.3361 mL 0.6723 mL 1.6807 mL
50 mM 0.0538 mL 0.2689 mL 0.5378 mL 1.3446 mL
60 mM 0.0448 mL 0.2241 mL 0.4482 mL 1.1205 mL
80 mM 0.0336 mL 0.1681 mL 0.3361 mL 0.8404 mL
100 mM 0.0269 mL 0.1345 mL 0.2689 mL 0.6723 mL
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CHS-828 Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

CHS-828200484-11-3GMX1778CHS828CHS 828GMX 1778GMX-1778NAMPTApoptosisNicotinamide phosphoribosyl transferasePBEFVisfatinpre-B cell-enhancing factorPre-B cell colony enhancing factorInhibitorinhibitorinhibit

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