NSC 23766 is a specific inhibitor of the binding and activation of RAC GTPase with IC50 of ~50 μM; does not inhibit the closely related targets, Cdc42 or RhoA.

NSC 23925 is a small molecule compound that reverses multiple drug resistance (MDR) in human cancer cell lines, reverses MDR1 (Pgp1) but does not inhibit MRP or BCRP-mediated MDR.

NSC 23925B is a small molecule agent that reverses MDR in cancer cells, reverses MDR in several drug-resistant cell lines expressing Pgp.

NSC 306711 (Ferristatin, NSC306711) is a small-molecule iron transport inhibitor that promotes degradation of the transferrin receptor independent of clathrin and dynamin, is sensitive to the cholesterol-depleting agents filipin and nystatin..

NSC 311068 is a small molecule that directly tragets and inhibits STAT3/5, significantly and selectively suppresses the viability of AML cells with high level of TET1 expression both in vitro and in vivo.

NSC 368262 is a selective STAT3 inhibitor that alkylates Cys468 in Stat3, blocks the DNA-binding activity of phosphorylated Stat3 homodimers with IC50 of 10-50 uM, without inhibiting the DNA-binding of phosphorylated Stat1 homodimers.

NSC 370284 is a small molecule that directly binds to and inhibits STAT3/5, significantly and selectively suppresses the viability of AML cells with high level of TET1 expression both in vitro and in vivo.

NSC 45576 is a potent Exchange proteins directly activated by cAMP (EPAC) inhibitor with IC50 of 1.7 uM.

NSC 625987 is a potent, selective CDK4 inhibitor with IC50 of 0.2 uM, displays >500-fold selectivity over CDK2 (IC50 >100 uM for cdc2/cyclin A, cdk2/cyclin A and cdk2/cyclin E). .

NSC 630668 is a Hsc70 inhibitor that inhibits the endogenous and DnaJ-stimulated ATPase activity of hsc70.

NSC 65828 (NCI65828) is a small-molecule inhibitor of the ribonucleolytic activity of human angiogenin with Ki of 81 uM.

NSC 658497 is a small molecule inhibitor of Ras GEF, SOS1, binds to SOS1 with Kd of 7 uM but no H-Ras, competitively suppresses SOS1-Ras interaction, and dose-dependently inhibits SOS1 GEF activity.

NSC 663284 (SPS8I1;DA3003-1) is a potent inhibitor of the dual specificity protein phosphatase Cdc25 with Ki of 9/95//89 nM for Cdc25A/Cdc25B2/Cdc25C, displays 20- and 450-fold more selective over VHR or PTP1B phosphatases.

NSC 668036 is an inhibitor of the Dishevelled (Dvl) protein PDZ domain (Kd = 240 μM for mouse Dvl1 PDZ domain).

NSC 66811 is a potent MDM2 inhibitor (Ki = 120 nM).

NSC 745887 is a small molecule that effectively inhibits the proliferation of various cancers by trapping DNA-topoisomerase cleavage, shows anticancer effects against human GBM cells via suppressing DcR3-associated signaling pathways.

NSC112200 is a chemical inhibitor of the EZH2 deubiquitinase ZRANB1 (at 10 uM), destabilizes EZH2, promotes proteasomal degradation of EZH2 and inhibits the viability of TNBC cells.

NSC12 is a PTX3-derived anti-FGF small molecule, inhibits FGF-dependent tumor growth, angiogenesis, and metastases,acts as a small-molecule FGF trap in cancer therapy.

NSC260594 (NSC 260594) is a specific inhibitor of HIV-1 RNA packaging, which involves preventing the interaction of Gag with SL3 by stabilizing this small RNA stem-loop which then leads to stabilization of the global packaging signal region (psi or ψ).

NSC305787 is a small molecule inhibitor of PKC, with IC50 of 8.3 μM, 9.4 μM, 55 μM for PKCΙ phosphorylation of recombinant ezrin, of moesin, and of radixin.

NSC319726 is a mutant p53R175 reactivator; inhibits growth of fibroblasts expressing the p53R175 mutation (IC50 = 8 nM); shows no inhibition for p53 wild-type cells.

NSC49652 (NSC 49652) is a compound targeting the transmembrane domain (TMD) of death receptor p75NTR with IC50 of 10 uM in AraTM assays, alters the relative conformation of p75NTR TMDs and induces dynamic changes in the full-length receptor in mammalian c