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ASH1L inhibitor AS-99

Chemical Structure : ASH1L inhibitor AS-99

CAS No.: 2323623-93-2

ASH1L inhibitor AS-99 (AS99)

Catalog No.: PC-72494Not For Human Use, Lab Use Only.

ASH1L inhibitor AS-99 (AS-99) is a first-in-class, potent, selective inhibitor of ASH1L histone methyltransferase with IC50 of 0.79 uM.

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Biological Activity

ASH1L inhibitor AS-99 (AS-99) is a first-in-class, potent, selective inhibitor of ASH1L histone methyltransferase with IC50 of 0.79 uM.
AS-99 strongly bind to the ASH1L SET domain with Kd values of 0.89 uM.
AS-99 displayed no significant inhibition (>100-fold selectivity) at 50 uM against a panel of 20 histone methyltransferases, including NSD1, NSD2, NSD3, and SETD2.
AS-99 inhibits the growth of leukemia cells (MV4;11, MOLM13, and KOPN8) harboring different MLL1 translocations with the GI50 values of 1.8-3.6 uM, showed a several fold weaker effect on the proliferation of leukemia cells without MLL1 translocations, such as SET2 and K562, without toxicity in normal cells.
AS-99 impairs transcriptional program of MLL fusion proteins and reduces leukemia burden.
AS-99 reduced the leukemia burden in the xenotransplantation mouse model of MLL leukemia without affecting blood counts in normal mice.

Physicochemical Properties

M.Wt 593.684
Formula C27H30F3N5O3S2
Appearance Solid
CAS No.
Storage
Solide Powder
-20°C 12 Months; 4°C 6 Months
In Solvent
-80°C 6 Months; -20°C 6 Months
Shipping
Solubility

10 mM in DMSO

Chemical Name/SMILES

3-Azetidinecarboxamide, N-[[3-[3-(aminothioxomethyl)phenyl]-1-[1-[(trifluoromethyl)sulfonyl]-4-piperidinyl]-1H-indol-6-yl]methyl]-1-methyl-

References

1. David S Rogawski, et al. Nat Commun. 2021 May 14;12(1):2792.

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