SGX-523
Based on 9 publication(s) in Google Scholar
SGX523 is a exquisitely selective and ATP-competitive MET inhibitor. SGX523 potently inhibits MET with an IC50 of 4 nM and is >1,000-fold selective versus other protein kinases. Antitumor activity.
For research use only. We do not sell to patients.
- Purity : 99.51%
- CAS No.: 1022150-57-7
- Formula: C18H13N7S
- Molecular Weight:359.41
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
Publications Citing Use of MedChemExpress (MCE) SGX-523
More- Science. 2017 Dec 1;358(6367):eaan4368. [Abstract]
- Cancer Res. 2015 Nov 1;75(21):4548-59. [Abstract]
- Sci Transl Med. 2018 Jul 18;10(450):eaaq1093. [Abstract]
- Cell Rep Med. 2024 Feb 20;5(2):101388. [Abstract]
- EMBO Mol Med. 2025 Feb;17(2):336-364. [Abstract]
- Invest Ophthalmol Vis Sci. 2026 Apr 1;67(4):1. [Abstract]
- Toxicol Lett. 2023 Oct 1:388:48-55. [Abstract]
- Biochem Biophys Res Commun. 2025 Sep 8:778:152388. [Abstract]
- bioRxiv. 2026 May 5:2026.05.01.722050. [Abstract]
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WB
Biological Activity
Description
Cellular Effect
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Cell Line
|
Type | Value | Description | References |
|---|---|---|---|---|
| A549 | IC50 |
>10000 nM
Compound: 1; SGX-523
|
Cytotoxicity against human A549 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
Cytotoxicity against human A549 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
|
[PMID: 27288183] |
| HCCLM3 | IC50 |
24 nM
Compound: 1; SGX-523
|
Cytotoxicity against human HCCLM3 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
Cytotoxicity against human HCCLM3 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
|
[PMID: 27288183] |
| Huh-7 | IC50 |
>10000 nM
Compound: 1; SGX-523
|
Cytotoxicity against human HuH7 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
Cytotoxicity against human HuH7 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
|
[PMID: 27288183] |
| MHCC97H | IC50 |
11 nM
Compound: 1; SGX-523
|
Cytotoxicity against human MHCC97H cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
Cytotoxicity against human MHCC97H cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
|
[PMID: 27288183] |
| MKN-45 | IC50 |
15 nM
Compound: 1; SGX-523
|
Cytotoxicity against human MKN45 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
Cytotoxicity against human MKN45 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
|
[PMID: 27288183] |
| NCI-H1975 | IC50 |
>10000 nM
Compound: 1; SGX-523
|
Cytotoxicity against human NCI-H1975 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
Cytotoxicity against human NCI-H1975 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
|
[PMID: 27288183] |
| NCI-H1993 | IC50 |
25 nM
Compound: 1; SGX-523
|
Cytotoxicity against human NCI-H1993 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
Cytotoxicity against human NCI-H1993 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
|
[PMID: 27288183] |
| NCI-N87 | IC50 |
>10000 nM
Compound: 1; SGX-523
|
Cytotoxicity against human NCI-N87 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
Cytotoxicity against human NCI-N87 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
|
[PMID: 27288183] |
| SNU-5 | IC50 |
3.9 nM
Compound: 1; SGX-523
|
Cytotoxicity against human SNU5 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
Cytotoxicity against human SNU5 cells assessed as reduction in cell survival incubated for 3 days by cell titre-glo assay
|
[PMID: 27288183] |
In Vitro
SGX523 shows ATP-competitive inhibition with higher apparent affinity for the less active, unphosphorylated form of MET [MET-KD(0P), Ki=2.7 nM] versus the more active phospho-enzyme [MET-KD(3P), Ki=23 nM][1].
SGX523 inhibits the growth of gastric and lung cancer cell lines with amplification of the MET gene but has no effect, even at high micromolar concentration, on cell lines with normal MET gene copy number. TheIC50s of 0.02, 0.113, and 0.035 μM for NSCLC H1993, gastric cncer MKN45, and gastric cancer Hs746T cells, respectively[1].
The IC50 value for the inhibition of MET autophosphorylation is 0.040 μM in GTL16 cells[1].
SGX523 (0.5, 1.5, 4.6, 13.7, 41, 123, 370, 1100, 3300, 10000 nM; 1 hour) inhibits MET autophosphorylation without affecting total MET or extracellular signal-regulated kinase protein levels in HGF-stimulated A549 cells[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
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Cell Line:Gastric cancer cell line GTL16
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Concentration:4.6, 14, 40, 120, 370, 1100, 3300, 10000 nM
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Incubation Time:1 hours
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Result:Abolished constitutive signaling induced by MET gene amplification.
In Vivo
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Female Harlan nude mice (athymic nu/nu) were s.c. implanted with U87 cells[2]
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Dosage:10 or 30 mg/kg
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Administration:Oral gavage; twice daily starting at day 5 for 22 days
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Result:Potently inhibited U87MG tumor growth at a dose of 10 mg/kg administered twice daily.
Led to clear regression of U87MG tumors at 30 mg/kg dosed twice daily.
Clinical Trial
| NCT Number | Sponsor | Condition | Start Date |
Phase
|
|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
Chemical Information
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CAS No. 1022150-57-7
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Appearance Solid
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Molecular Weight 359.41
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Formula C18H13N7S
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Color Light yellow to yellow
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SMILES
CN1N=CC(C2=NN3C(SC4=CC5=C(N=CC=C5)C=C4)=NN=C3C=C2)=C1
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Publications (9)
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Journal Impact Factor
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Most Recent
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Science
2017 Dec 1;358(6367):eaan4368. PMID: 29191878 -
Cancer Res
c-Myc alterations confer therapeutic response and acquired resistance to c-Met inhibitors in MET-addicted cancers. [Abstract]2015 Nov 1;75(21):4548-59. PMID: 26483207
SGX-523 purchased from MedChemExpress. Usage Cited in: Cancer Res. 2015 Nov 1;75(21):4548-59. [Abstract]
c-Myc downregulation is essential for c-Met inhibition caused by growth arrest in MET-addicted cells. EBC-1, NCI-H1993, SNU-5, MKN-45, and HCC827 cells are treated with SGX-523 at 1 μM for 24 or 48 hours followed by immunoblotting analysis of cell-cycle regulators.
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Sci Transl Med
PP2A inhibition is a druggable MEK inhibitor resistance mechanism in KRAS-mutant lung cancer cells. [Abstract]2018 Jul 18;10(450):eaaq1093. PMID: 30021885 -
Cell Rep Med
Cholinergic signaling via muscarinic M1 receptor confers resistance to docetaxel in prostate cancer. [Abstract]2024 Feb 20;5(2):101388. PMID: 38262412 -
EMBO Mol Med
2025 Feb;17(2):336-364. PMID: 39748059 -
Invest Ophthalmol Vis Sci
Hepatocyte Growth Factor Confers Trabecular Meshwork Stem Cell Resilience and Paracrine Protection of Trabecular Meshwork Cells in Glaucoma. [Abstract]2026 Apr 1;67(4):1. PMID: 41920145 -
Toxicol Lett
SGX523 causes renal toxicity through aldehyde oxidase-mediated less-soluble metabolite formation in chimeric mice with humanized livers. [Abstract]2023 Oct 1:388:48-55. PMID: 37806366 -
Biochem Biophys Res Commun
FAXC depletion contributes to tumor progression via the c-MET pathway in renal cell carcinoma. [Abstract]2025 Sep 8:778:152388. PMID: 40706244 -
bioRxiv
2026 May 5:2026.05.01.722050. PMID: 42146489
Solvent & Solubility
In Vitro:
DMSO : 30 mg/mL (83.47 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
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.
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.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
In Vivo:
The following protocol is derived from the literature and is for reference only. It is recommended to first try a small sample.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Working solution concentration: 0.22 mg/mL
Protocols
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Cell Cytotoxicity Assay
Cytotoxicity assays are usually based on the assessment of cell membrane damage, which can also be indirectly detected by measuring cell viability. Detection methods include MTT assay, CKK-8 assay, LDH assay and ATP assay, etc.
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Subcutaneous Cell-Line-Derived Xenograft
Subcutaneous cell-line-derived xenograft (CDX) models are established by implanting cultured human cancer cell lines into immunodeficient mice, where the injected cells form localized tumors that can be monitored in vivo as a measure of tumorigenic potential, growth kinetics, and treatment response. These models are widely used in oncology research because they allow reproducible tumor formation and enable comparative assessment of tumor growth between different cell lines or genetic manipulations in a controlled in vivo microenvironment. Subcutaneous implantation of cancer cells in immunodeficient mice is a standard approach for evaluating tumor growth behavior and therapeutic response across multiple cancer types, including prostate, esophageal, pancreatic, and colon cancer models.
Purity & Documentation
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Data Sheet (277 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
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 | 2.7823 mL | 13.9117 mL | 27.8234 mL | 69.5584 mL |
| 5 mM | 0.5565 mL | 2.7823 mL | 5.5647 mL | 13.9117 mL | |
| 10 mM | 0.2782 mL | 1.3912 mL | 2.7823 mL | 6.9558 mL | |
| 15 mM | 0.1855 mL | 0.9274 mL | 1.8549 mL | 4.6372 mL | |
| 20 mM | 0.1391 mL | 0.6956 mL | 1.3912 mL | 3.4779 mL | |
| 25 mM | 0.1113 mL | 0.5565 mL | 1.1129 mL | 2.7823 mL | |
| 30 mM | 0.0927 mL | 0.4637 mL | 0.9274 mL | 2.3186 mL | |
| 40 mM | 0.0696 mL | 0.3478 mL | 0.6956 mL | 1.7390 mL | |
| 50 mM | 0.0556 mL | 0.2782 mL | 0.5565 mL | 1.3912 mL | |
| 60 mM | 0.0464 mL | 0.2319 mL | 0.4637 mL | 1.1593 mL | |
| 80 mM | 0.0348 mL | 0.1739 mL | 0.3478 mL | 0.8695 mL |