Chemical Name: 3-[1-(6,7-Dichloro-1H-benzimidazol-2-yl)-5-hydroxy-3-methylpyrazol-4-yl]-3H-isobenzofuran-1-one
cGAS inhibitor
Molecular Weight:
415.23
Purity:
98% by TLC NMR (Conforms)
Form:
Off-white to pale pink solid
CAS Number:
[2262452-06-0]
Formula:
C19H12Cl2N4O3
Application Notes:
Inhibitor of cyclic GMP-AMP synthase (cGAS), an important innate immune system sensor of foreign cytoplasmic double-stranded DNA.1,2 IC50 = 0.70 µM in dsDNA-stimulated RAW macrophages1 and ~0.80 µM in wild type human THP-1 cells2. It is selective for cGAS with no targeting of IFNB1 protein, interferon receptors, or downstream signaling components of the JAK/STAT pathway. RU.521 was able to significantly increase cardiac output in a mouse model of sepsis.3 Active in both mouse and human cell lines.
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