SML2559
C-176
≥98% (HPLC)
Synonym(s):
C 176, C176, N-(4-Iodophenyl)-5-nitro-2-furancarboxamide, N-(4-Iodophenyl)-5-nitrofuran-2-carboxamide, Sting inhibitor 1, Sting inhibitor C-176
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About This Item
Empirical Formula (Hill Notation):
C11H7IN2O4
CAS Number:
Molecular Weight:
358.09
UNSPSC Code:
12352200
NACRES:
NA.77
MDL number:
InChI
1S/C11H7IN2O4/c12-7-1-3-8(4-2-7)13-11(15)9-5-6-10(18-9)14(16)17/h1-6H,(H,13,15)
InChI key
JBIKQXOZLBLMKI-UHFFFAOYSA-N
SMILES string
O=C(NC1=CC=C(I)C=C1)C2=CC=C([N+]([O-])=O)O2
assay
≥98% (HPLC)
form
powder
color
white to very dark gray
solubility
DMSO: 2 mg/mL, clear
storage temp.
2-8°C
Related Categories
Biochem/physiol Actions
C-176 is a potent and selective inhibitor against murine, but not human, stimulator of interferon genes (STING) via covalent modifiation of mSTING Cys91. C-176 inhibits STING-mediated IFNβ reporter activity (IC50 <50 nM) without affecting RIG-I, and blocks (1 μM) downstream TBK1 phosphorylation induction by STING agonist CMA (1.4 h) in mSTING-expressing HEK293T cells. C-176 markedly reduces CMA-induced serum IL-6 & type I IFNs in mice (by ≥85% 4 h post CMA; 750 nmol C-176/mouse i.p. 1 or 4 h prior to 224 mg/kg CMA) and significantly ameliorates the autoinflammatory severity in Trex1−/− mice.
Potent and selective, Cys91-targeting covalent inhibitor against murine, but not human, STING in vitro and in vivo.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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