1. Protein Tyrosine Kinase/RTK
  2. VEGFR
  3. SAR131675


Cat. No.: HY-15458 Purity: 99.80%
Handling Instructions

SAR131675 is a potent and selective VEGFR3 inhibitor with an IC50 of 23 nM.

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

SAR131675 Chemical Structure

SAR131675 Chemical Structure

CAS No. : 1433953-83-3

Size Price Stock Quantity
10 mM * 1 mL in DMSO USD 79 In-stock
Estimated Time of Arrival: December 31
10 mg USD 72 In-stock
Estimated Time of Arrival: December 31
50 mg USD 240 In-stock
Estimated Time of Arrival: December 31
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Based on 1 publication(s) in Google Scholar

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SAR131675 is a potent and selective VEGFR3 inhibitor with an IC50 of 23 nM.

IC50 & Target[1]


23 nM (IC50)

In Vitro

AR131675 is highly selective for VEGFR-3 versus 107 receptors, enzymes, ion channels, and 65 kinases. However, it is moderately active on VEGFR-2 with a VEGFR-3/VEGFR-2 ratio of about 10. SAR131675 inhibits VEGFR-3 tyrosine kinase activity and VEGFR-3 autophosphorylation in HEK cells with IC50 values of 20 and 45 nM, respectively. SAR131675 dose dependently inhibits the proliferation of primary human lymphatic cells, induced by the VEGFR-3 ligands VEGFC and VEGFD, with an IC50 of about 20 nM. SSAR131675 has no antiproliferative activity on a panel of 30 tumors and primary cells, further showing its high specificity and indicating that SAR131675 is not a cytotoxic or cytostatic agent[1].

In Vivo

SAR131675 is very well tolerated in mice and shows a potent antitumoral effect in several orthotopic and syngenic models, including mammary 4T1 carcinoma and RIP1.Tag2 tumors. Interestingly, it significantly reduces lymph node invasion and lung metastasis, showing its antilymphangiogenic activity in vivo. SAR131675 significantly reduces TAM infiltration and aggregation in 4T1 tumors[1].

Molecular Weight







O=C1C(C(NC)=O)=C(N)N(CC)C2=NC(C#C[[email protected]@](COC)(C)O)=CC=C21


Room temperature in continental US; may vary elsewhere

Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 28 mg/mL (78.13 mM)

*"≥" means soluble, but saturation unknown.

Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.7903 mL 13.9513 mL 27.9026 mL
5 mM 0.5581 mL 2.7903 mL 5.5805 mL
10 mM 0.2790 mL 1.3951 mL 2.7903 mL
*Please refer to the solubility information to select the appropriate solvent.
Kinase Assay

Multiwell plates are precoated with a synthetic polymer substrate poly-Glu-Tyr (polyGT 4:1). The reaction is carried out in the presence of kinase buffer (10×: 50 mM HEPES buffer, pH 7.4, 20 mM MgCl2, 0.1 mM MnCl2, and 0.2 mM Na3VO4) supplemented with ATP and dimethyl sulfoxide (DMSO) for the positive control (C+) or SAR131675 (ranging from 3-1,000 nM). ATP is used at 30 μM for VEGFR-1 and VEGFR-3 and at 15 μM for VEGFR-2. The phosphorylated poly-GT is probed with a phosphotyrosine specific monoclonal antibody (mAb) conjugated to horseradish peroxidase and developed in the dark with the HRP chromogenic substrate (OPD). The reaction is then stopped by the addition of 100 μL 1.25 mol/L H2SO4, and absorbance is determined using an Envision spectrophotometer at 492 nm[1].

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

Cell Assay

HLMVECs are seeded in 96-well plates coated with 0.3% gelatin (5000 cells per well). Cells are incubated in RPMI 0.1% FCS with VEGFA (10 ng/mL) VEGFC (300 ng/mL), VEGFD (300 ng/mL), or FGF2 (10 ng/mL) in the absence or presence of SAR131675. Five days later, viable cells are quantified with the cell Titer-glo luminescent cell viability assay[1].

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

Animal Administration

Mouse: Sterile sponge disks impregnated with 200 μg of FGF2 or PBS are subcutaneously introduced on the back of anaesthetized mice. FGF2 is reinjected into the sponges the first 2 days. Daily oral treatment with SAR131675 (30, 100, and 300 mg/kg/d) started the day of sponge implantation. Seven days later, the animals are euthanatized and the sponges are removed, harvested, and lysed in RIPA buffer at 4°C. After a centrifugation at 6,000 × g, the supernatants are collected for further analysis[1].

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


Purity: 99.80%

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