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Tofacitinib citrate (CP-690553 citrate)

Cat No.
CEI-0193
Description
Tofacitinib citrate (CP-690550) can potently inhibit JAK3 IC50 of 1 nM.
CAS No.
540737-29-9
Molecular Weight
504.49
Purity
>99%
Storage
2 years at -20 centigrade
Targets
JAK3
Molecular Formula
C16H20N6O.C6H8O7
Chemical Name
3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile citrate
Solubility
DSMO 101 mg/mL Water
In vitro
Tofacitinib citrate inhibits IL-2-mediated human T cell blast proliferation and IL-15-induced CD69 expression with IC50 of 11 nM and 48 nM. Tofacitinib citrate inhibits interleukin-6-induced phosphorylation of STAT1 and STAT3 with IC50 of 23 nM and 77 nM. Tofacitinib citrate prevents IL-15-induced CD69 expression in human and cynomolgus monkey NK and CD8+ T cells in vitro.
In vivo
Tofacitinib citrate decrease a delayed-type hyper-sensitivity response and extended cardiac allograft survival in murine models. During 2 weeks of Tofacitinib citrate dosing at 10 and 30 mg/kg/d, a significant, time-dependent decrease in NK cell numbers relative to vehicle treatment is observed.
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