1. Metabolic Enzyme/Protease
  2. Nampt
  3. CHS-828

CHS-828 (Synonyms: GMX1778)

Cat. No.: HY-10079 Purity: 99.72%
Handling Instructions

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.

For research use only. We do not sell to patients.

CHS-828 Chemical Structure

CHS-828 Chemical Structure

CAS No. : 200484-11-3

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10 mM * 1 mL in DMSO USD 77 In-stock
Estimated Time of Arrival: December 31
5 mg USD 70 In-stock
Estimated Time of Arrival: December 31
10 mg USD 108 In-stock
Estimated Time of Arrival: December 31
50 mg USD 432 In-stock
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Based on 1 publication(s) in Google Scholar

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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].

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].

Clinical Trial
Molecular Weight

371.86

Formula

C₁₉H₂₂ClN₅O

CAS No.

200484-11-3

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 6 months
  -20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 39 mg/mL (104.88 mM)

*"≥" 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
10 mM 0.2689 mL 1.3446 mL 2.6892 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    90% corn oil

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

*All of the co-solvents are provided by MCE.
References
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Product Name:
CHS-828
Cat. No.:
HY-10079
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