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

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 80538 is a bioactive compound.

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.

NSC15364 is an inhibitor of Shiga Toxin.

NSC228155 is an activator of EGFR. It binds to the sEGFR dimerization domain II and modulates EGFR tyrosine phosphorylation.

NSC23005 is a novel and effective p18 inhibitor (ED50=5.21 nM) in promoting Hematopoietic stem cells (HSCs) expansion in both murine and human models.

NSC23005 sodium is a novel and effective p18 inhibitor (ED50=5.21 nM) in promoting Hematopoietic stem cells (HSCs) expansion in both murine and human models.

NSC-23026, also known as MSX-127, is a CXCR4 receptor modulator.

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).

NSC348884 is a nucleolar phosphoprotein that displays several biological activities in ribosome biogenesis, cell proliferation, cytoplasmic/nuclear shuttle transportation, nucleic acid binding, ribonucleic cleavage, and centrosome duplication.

NSC5844 (RE640) is a bisquinoline compound with C-C chemokine receptor type 1 (CCR1)-agonistic properties.

NSC59984 induces mutant p53 protein degradation via MDM2 and the ubiquitin-proteasome pathway.The EC50 of NSC59984 in most cancer cells is significantly lower than those of normal cells, with EC50 of 8.38 μM for p53-null HCT116 cells.

NSC617145 is a Werner syndrome helicase (WRN) helicase inhibitor (IC50 = 250 nM).

NSC632839 is a nonselective isopeptidase inhibitor, which inhibits USP2, USP7, and SENP2 with EC50s of 45±4 μM, 37±1 μM, and 9.8±1.8 μM, respectively.

NSC697923 is a selective inhibitor of Ubc13-Uev1A

NSC781406 is a highly potent PI3K and mTOR inhibitor with an IC50 of 2 nM for PI3Kα.

NSI-189 is a nootropic and neurogenic research chemical derived from nicotinamide and pyrazine.

NT157 is a selective inhibitor of IRS-1/2, IC50 values at sub-micromolar doses (ranging from 0.3 to 0.8 μM) .

NU 1025 is an inhibitor of poly(ADP-ribose) polymerases (PARP) (IC50 = 400 nM).

NU 6027 inhibits both CDK1 and CDK2 with IC50 values of 2.9 and 2.2 µM, respectively.

NU2058 is a guanine-based CDK inhibitor with IC50 of 17 μM and 26 μM for CDK2 and CDK1.