ISRIB chemical structure
Chemical structureResearch use only
CAT. NO. DC7431Featured

ISRIB

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TotalUS$400
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Product overview

Description & Application

ISRIB (trans-isomer) is a potent inhibitor of PERK with an IC50 of 5 nM.

ParameterValue
Chemical Nametrans-ISRIB
CAS No.1597403-47-8
Synonymstrans-ISRIB;ISRIB trans-isomer;ISRIB;ISRIB (trans-isomer);N,N'-(cis-Cyclohexane-1,4-diyl)bis(2-(4-chlorophenoxy)acetamide);N,N'-((1r,4r)-cyclohexane-1,4-diyl)bis(2-(4-chlorophenoxy)acetamide);N,N'-trans-1,4-cyclohexanediylbis[2-(4-chlorophenoxy)acetamide];2-(4-chloranylphenoxy)-~{N}-[4-[2-(4-chloranylphenoxy)ethanoylamino]cyclohexyl]ethanamide;2-(4-chlorophenoxy)-N-(4-{[(4-chlorophenoxy)acetyl]amino}cyclohexyl)acetamide;isrib-trans-isomer;C7B;Oprea1
FormulaC22H24Cl2N2O4
M.Wt451.344
SMILESClC1C([H])=C([H])C(=C([H])C=1[H])OC([H])([H])C(N([H])C1([H])C([H])([H])C([H])([H])C([H])(C([H])([H])C1([H])[H])N([H])C(C([H])([H])OC1C([H])=C([H])C(=C([H])C=1[H])Cl)=O)=O
Purity>98%
Storage2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO

Biological Activity

ISRIB (trans-isomer) is a potent inhibitor of PERK with an IC50 of 5 nM.

In Vitro

Trans-ISRIB is 100-fold more potent (IC50=5 nM) than cis-ISRIB (IC50= 600 nM), indicating that the compound’s interaction with its cellular target is stereospecific. ISRIB reduces the viability of cells subjected to PERK-activation by chronic endoplasmic reticulum stress[1]. ISRIB substantially reverses the translational effects elicited by phosphorylation of eIF2α and induces no major changes in translation or mRNA levels in unstressed cells. eIF2α phosphorylation-induced stress granule (SG) formation is blocked by ISRIB[2].

In Vivo

ISRIB increases long-term memory in rodents. ISRIB-treated mice display significant enhancement in spatial and fear-associated learning. ISRIB displays a half-life in plasma of 8 hr and readily crossed the blood-brain barrier, quickly equilibrating with the central nervous system[1].

References & source

DC Chemicals original product information

Published experimental findings depend on the model and assay conditions. They do not guarantee equivalent performance in every application. For laboratory research use only.

Product documentation

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Handling guide

2 years -20°C Powder, 2 weeks 4°C in DMSO, 6 months -80°C in DMSO

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