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SML1638

Sigma-Aldrich

VX-745

≥98% (HPLC)

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Synonym(s):
5-(2,6-Dichlorophenyl)-2-(2,4-difluorophenylthio)-6H-pyrimido[1,6-b]pyridazin-6-one
Empirical Formula (Hill Notation):
C19H9Cl2F2N3OS
CAS Number:
209410-46-8
Molecular Weight:
436.26
MDL number:
MFCD09834070
PubChem Substance ID:
329825979
NACRES:
NA.77

Quality Level

100

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 10 mg/mL, clear

storage temp.

−20°C

SMILES string

FC1=C(SC2=NN(C=N3)C(C=C2)=C(C4=C(Cl)C=CC=C4Cl)C3=O)C=CC(F)=C1

InChI

1S/C19H9Cl2F2N3OS/c20-11-2-1-3-12(21)17(11)18-14-5-7-16(25-26(14)9-24-19(18)27)28-15-6-4-10(22)8-13(15)23/h1-9H

InChI key

VEPKQEUBKLEPRA-UHFFFAOYSA-N

Gene Information

human ... MAPK14(1432)

Biochem/physiol Actions

VX-745 is a selective blood-brain barrier penetrant inhibitor of p38 MAPKα. VX-745 showed 20-fold selectivity for p38α over p38β and a Ki value of 220 nM. VX-745 has been shown to reduce inflammation in an arthritic (AIA) mouse model and to improve performance in aged rats.

Other Notes

VX-745 has been expertly reviewed and recommended by the Chemical Probes Portal. For more information, please visit the VX-745 probe summary on the Chemical Probes Portal website.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Regulatory Information

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Xiaodong Chen et al.
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The causative agent of the coronavirus disease 2019 (COVID-19) pandemic, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has infected millions and killed hundreds of thousands of people worldwide, highlighting an urgent need to develop antiviral therapies. Here we present a

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