CAS 1339928-25-4|CUDC-907

Introduction:Basic information about CAS 1339928-25-4|CUDC-907, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common NameCUDC-907
CAS Number1339928-25-4Molecular Weight508.553
Density1.4±0.1 g/cm3Boiling Point/
Molecular FormulaC23H24N8O4SMelting Point/
MSDS/Flash Point/

Names

NameN-hydroxy-2-[[2-(6-methoxypyridin-3-yl)-4-morpholin-4-ylthieno[3,2-d]pyrimidin-6-yl]methyl-methylamino]pyrimidine-5-carboxamide
SynonymMore Synonyms

CUDC-907 BiologicalActivity

DescriptionFimepinostat (CUDC-907) potently inhibits class I PI3Ks as well as classes I and II HDAC enzymes with an IC50 of 19/54/39 nM and 1.7/5.0/1.8/2.8 nM for PI3Kα/PI3Kβ/PI3Kδ and HDAC1/HDAC2/HDAC3/HDAC10 , respectively.
Related CatalogSignaling Pathways >>Cell Cycle/DNA Damage >>HDACSignaling Pathways >>Epigenetics >>HDACResearch Areas >>Cancer
Target

PI3Kα:19 nM (IC50)

PI3Kβ:54 nM (IC50)

PI3Kδ:39 nM (IC50)

PI3Kγ:311 nM (IC50)

HDAC1:1.7 nM (IC50)

HDAC2:5 nM (IC50)

HDAC3:1.8 nM (IC50)

HDAC4:409 nM (IC50)

HDAC5:674 nM (IC50)

HDAC6:27 nM (IC50)

HDAC7:426 nM (IC50)

HDAC8:191 nM (IC50)

HDAC9:554 nM (IC50)

HDAC10:2.8 nM (IC50)

HDAC11:5.4 nM (IC50)

In VitroFimepinostat is a potent pan-inhibitor of HDAC classes I and II enzymes and observed that its potency against class I HDACs is similar to that of panobinostat and greater than that of vorinostat. Fimepinostat is also a potent inhibitor of class I PI3K kinases with an IC50 of 19, 54, and 39 nM for PI3Kα, PI3Kβ, and PI3Kδ, respectively. Fimepinostat markedly induces p21 protein in H460, a non-small cell lung cancer (NSCLC) cell line. Fimepinostat causes the reduction of both p-STAT3 (Y-705) and p-SRC in RPMI-8226 multiple myeloma cells and reduces both phosphorylated and total protein levels of MET and EGFR as well as HER2 and HER3 in H1975 NSCLC cells and BT-474 breast cancer cells, respectively. Fimepinostat induces caspase-3 and -7 activation in HCT-116 colon cancer cells in a dose-dependent manner. Fimepinostat potently inhibits the growth of cancer cells derived from both hematologic and solid tumors. Fimepinostat potently inhibits the proliferation of cells expressing either mutant or wild-type PI3K[1].
In VivoOral administration of Fimepinostat inhibits growth of the Daudi cancer cell xenografts in a dose-dependent manner. Tumor stasis is observed at 100 mg/kg in this model without obvious toxicity. Importantly, in the same model, Fimepinostat achieves better efficacy than GDC-0941, Vorinostat, or a combination of these 2 compounds given at their maximal tolerated doses (MTD). Furthermore, Fimepinostat causes tumor regression or stasis after intravenous (50 mg/kg) or oral administration (100 mg/kg) in a xenograft tumor model of SU-DHL4 diffuse large B-cell lymphoma (DLBCL) and causes tumor stasis in KRAS-mutant A549 NSCLC cell xenografts[1].
Kinase AssayThe activities of classes I and II HDACs are measured using the Color-de-Lys assay system. The activity of PI3K is measured using the ADP-Glo luminescent kinase assay. Recombinant PI3K protein, a complex of N-terminal GST-tagged recombinant full-length human p110 and untagged recombinant full-length human p85, is coexpressed in a baculovirus-infected Sf9 cell expression system[1].
Cell AssayHuman cancer cell lines are plated at densities of 5,000 to 10,000 per well in 96-well flat-bottomed plates with the recommended culture medium. The cells are then incubated with compounds (e.g.,Fimepinostat) at various concentrations for 72 hours in culture medium supplemented with 0.5% (v/v) FBS. Growth inhibition is assessed by assay of cellular ATP content using the Perkin-Elmer ATPlite kit[1].
Animal AdminMice[1] Six- to 8-week-old female athymic (nude nu/nu CD-1) or severe combined immunodeficient (SCID) mice obtained from Charles River Laboratories are injected subcutaneously with 3 to 20×106 cells in a medium suspension of 100 to 200 μL into the right hind flank region. Varying doses of Fimepinostat, standard anticancer agents, or vehicle are administered orally or via tail vein injection as indicated.
References

[1]. Qian C, et al. Cancer network disruption by a single molecule inhibitor targeting both histone deacetylase activity and phosphatidylinositol 3-kinase signaling. Clin Cancer Res. 2012 Aug 1;18(15):4104-13.

Chemical & Physical Properties

Density1.4±0.1 g/cm3
Molecular FormulaC23H24N8O4S
Molecular Weight508.553
Exact Mass508.164124
PSA170.45000
LogP2.39
Index of Refraction1.696
InChIKeyJOWXJLIFIIOYMS-UHFFFAOYSA-N
SMILESCOc1ccc(-c2nc(N3CCOCC3)c3sc(CN(C)c4ncc(C(=O)NO)cn4)cc3n2)cn1
Storage condition-20℃

Synonyms

N-Hydroxy-2-[{[2-(6-methoxy-3-pyridinyl)-4-(4-morpholinyl)thieno[3,2-d]pyrimidin-6-yl]methyl}(methyl)amino]-5-pyrimidinecarboxamide
PI3K/HDAC Inhibitor centn
5-Pyrimidinecarboxamide, N-hydroxy-2-[[[2-(6-methoxy-3-pyridinyl)-4-(4-morpholinyl)thieno[3,2-d]pyrimidin-6-yl]methyl]methylamino]-
CUDC-907
PI3K/HDAC Inhibitor
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