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AZ20

Cat No.
CEI-1227
Description
AZ20 is a potent and selective inhibitor of ATR kinase with IC50 value of 5 nM.
Product Overview
AZ20 is a potent and selective inhibitor of ATR. AZ20 inhibits ATR immunoprecipitated from HeLa nuclear extracts with an IC50 value of 5 nM and ATR mediated phosphorylation of Chk1 in HT29 colorectal adenocarcinoma tumor cells with an IC50 value of 50 nM. ATR is an attractive new anticancer drug target whose inhibitors have potential as chemo-or radiation sensitizers or as monotherapy in tumors addicted to particular DNA-repair pathways. AZ20 is the first reported inhibitor of ATR protein kinase demonstrating tumor growth inhibition in vivo and is therefore a useful probe molecule to aid further investigation of ATR tumor biology. AZ20 potently inhibited the growth of LoVo colorectal adenocarcinoma tumor cells in vitro. In the mTOR (pAKT) cell assay, AZ20 weak inhibited recombinant mTOR enzyme activity. AZ20 shows good selectivity against all of the PI3K isoforms together with ATM and DNA-PK, and when tested in a large panel of kinases, AZ20 shows very high general kinase selectivity. Female nude mice bearing LoVo tumors were treated with AZ20 orally at a dose of 25 mg/kg twice daily or 50 mg/kg once daily for 13 days. AZ20 showed monotherapy in vivo antitumor efficacy in LoVo colorectal xenografts in nude mice.
CAS No.
1233339-22-4
Molecular Weight
412.51
Purity
0.9925
Storage
Store at -20°C
Synonyms
AZ-20; AZ 20
Targets
ATR
IC50
5 nM
Molecular Formula
C21H24N4O3S
Chemical Name
(3R)-4-[2-(3H-indol-4-yl)-6-(1-methylsulfonylcyclopropyl)pyrimidin-4-yl]-3-methylmorpholine
Solubility
Soluble in DMSO > 10 mM
Shipping Conditions
Evaluation sample solution: ship with blue ice. All other available size: ship with RT, or blue ice upon request
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