SGC-STK17B-1 is a potent, selective, ATP-competitive inhibitor of death-associated protein kinase family member STK17B (DRAK2) with IC50 of 34 nM, >100-fold selectivity over STK17A; SGC-STK17B-1 is also >100-fold selective over all of the other kinases tested, with only STK17A, CAMKK1, and AURKB (IC50s=5-9 uM) in panel of 403 wild type human kinase assays. SGC-STK17B-1 demonstrated the highest cell potency in the NanoBRET target engagement assay (IC50=190 nM). SGC-STK17B-1 is the first truly potent and selective chemical probe of STK17B.

SGC8158 (SGC-8158) is a potent, selective, and SAM-competitive inhibitor of PRMT7 with IC50 of <2.5 nM, the active component of it's cell permeable prodrug SGC3027.

SGC6870N is the negative control of SGC-6870 (R-isomer), which is a potent, selective, cell-active PRMT6 inhibitor.

SGC6870 (SGC-6870 (R-isomer)) is a potent, selective, cell-active PRMT6 inhibitor with IC50 of 77 nM.SGC6870 displays outstanding selectivity for PRMT6 over a broad panel of other methyltransferases and nonepigenetic targets.SGC6870 binds to a unique, induced allosteric pocket of PRMT6.SGC6870 engages PRMT6 and potently inhibits its methyltransferase activity in cells.SGC6870 is a well-characterized PRMT6 chemical probe and a valuable tool for further investigating PRMT6 functions in health and disease.

SGC3027N (SGC-3027N) is a negative control compound for SGC3027, shows markedly less potent (14 uM) against PRMT7 and other protein methyltransferases.

SF-3-030 is a novel ATP-dependent/catalytic site inhibitor of ERK1/2, inhibits A375 cell viability with IC50 of 4.9 uM.SF-3-030 showed selective inhibition of cancer cell lines with activating mutations in the ERK1/2 pathway.SF-3-030 inhibited viability of four melanoma cell lines containing either BRAF or NRas mutations with IC50 of 5-10 uM.SF-3-030 selectively regulates ERK-dependent immediate early gene expression, causes differential changes in AP-1 protein levels characterized by inhibition of Fra-1, FosB, and the alternative splice variant FosB2 but no effect on c-Fos levels, and induces ROS mediates inhibition of A375 cell proliferation.

SEW84 (SEW04784) is a first-in-class, specific inhibitor of the Aha1-stimulated Hsp90 (ASH) ATPase activity (IC50=0.3 uM) without inhibiting basal Hsp90 ATPase; SEW84 binds to the C-terminal domain of Aha1 (Kd=1.7 uM) to weaken its asymmetric binding to Hsp90. SEW84 inhibited the GR- and AR-dependent luciferase expression with IC50 of 1.3 uM and 0.7 uM respectively. SEW84 blocks Aha1-dependent Hsp90 chaperoning activities, including the in vitro and in vivo refolding of firefly luciferase, and the transcriptional activity of the androgen receptor in cell-based models of prostate cancer. SEW84 promotes the clearance of phosphorylated tau in cellular and tissue models of neurodegenerative tauopathy.

sCSF1Rinh is a CNS-penetrant, potent and selective small-molecule CSF1R inhibitor, binds to CSF1R in a DFG-out conformation.is highly selective for CSF1R as compared to other kinases with a selectivity score of S(35)=0.005, sCSF1Rinh exhibited excellent pharmacokinetic properties including good oral bioavailability and CNS penetrance.sCSF1Rinh (500 nM) blocks these phosphorylation events in CSF1 (100 ng/mL) stimulation of BV2 microglia.sCSF1Rinh inhibited murine bone marrow-derived macrophage proliferation with IC50 of 22 nM, sCSF1Rinh significantly depletes microglia in a concentration-dependent manner in murine mixed glial cultures (IC50=188 nM).sCSF1Rinh reduced the number of microglia and infiltrating macrophages in an acute LPS model, with diminished microglial/macrophage proliferation and attenuated inflammatory response.sCSF1Rinh also suppressed a deleterious microglial response in the C57BL/6 EAE (experimental autoimmune encephalomy) model as well as the MOG peptide-induced non-obese diabetic EAE model of progressive MS (NOD-EAE) and improved neurological impairments in both models.

SCR7 is a specific inhibitor of nonhomologous end-joining (NHEJ), blocks Ligase IV-mediated joining by interfering with its DNA binding but not that of T4 DNA Ligase or Ligase I; inhibits NHEJ in a Ligase IV-dependent manner within cells, causes accumulation of double-strand breaks (DSBs), and activates the intrinsic apoptotic pathway; decreases cell proliferation of MCF7, A549, and HeLa with IC50 of 40, 34, and 44 uM, respectively; increases the efficacy of DSB-inducing therapeutic modalities in mouse xenografts; increases the efficiency of precise genome editing with CRISPR-Cas9 in mammalian cell lines and in mice.

SCP1 inhibitor T-65 (T-65) is a specific, small molecule covalent inhibitor of small CTD phosphatase 1 (SCP1), reduces transcription factor REST protein level HEK293 cells with EC50 of 1.5 uM.T-65 showed no detectable inhibition against a panel of eight mammalian cysteine-based phosphatases, including SHP2, TCPTP, CD45, DUSP3 and and lymphoid protein tyrosine phosphatase (LYP) at 25 uM.T-65 promotes REST degradation, increases expression of REST-suppressed genes DYRK1a, ELAVL1, USP37, CELSR3, and SCN2 in HEK293 cells.

SCP1 inhibitor T-62 (T-62) is a specific, small molecule covalent inhibitor of small CTD phosphatase 1 (SCP1), reduces transcription factor REST protein level HEK293 cells.

SC-78080 (SD-2590) is a potent, selective inhibitor of MMP2/9/13 with IC50 of <0.1/0.18/<0.1 nM, respectively.SC-78080 shows weaken inhibitory effect on MMP3/8, and no inhibition on MMP1/7.

SBI-4668 (SBI 4668) is a novel furanylbenzamide molecule as inhibitor of both WT and oncogenic SHP2 with IC50 of 0.73/1.8 uM for Wt SHP2/SHP2-E76K, 13-fold selective over PTP1B and 73-fold selective over STEP; SBI-4668 exhibited cell viability inhibitory effect on cell growth in both Kasumi-1 cells (IC50=8.5 uM) and KYSE-520 cells (IC50=5.4 uM), SBI-4668 on cell viability was also determined in additional AML cell lines, including MOLM-13 (IC50 = 12 μM) and MV4-11 (IC50 = 8.2 μM). SBI-4668 inhibited U-937 cell (harbor a G60R oncogenic mutation in SHP2) growth with IC50 of 6.3 uM, which is comparable to the potency found in AML cells expressing WT SHP2, while RMC4550 showed a very weak effect on this G60R mutation cell.

SBI-2130 (SBI 2130) is a novel furanylbenzamide molecule as inhibitor of both WT and oncogenic SHP2 with IC50 of 0.22/5.0 uM for Wt SHP2/SHP2-E76K.

SBI-0797750 (SBI 0797750) is a potent, fully selective PfGluPho inhibitor with robust nanomolar activity against recombinant PfGluPho, PvG6PD, and P. falciparum blood-stage parasites.SBI-0797750 disturbs the cytosolic glutathione-dependent redox potential, as well as the cytosolic and mitochondrial H2O2 homeostasis of P. falciparum blood stages, at low nanomolar concentrations.SBI-0797750 does not harm red blood cell (RBC) integrity and phagocytosis and thus does not promote anemia.

SBI-0637142 is a potent Smac mimetic that preferentially targets BIRC2, latency-reversing agent (LRA), specifically and potently promote HIV-1 latency reversal activity.SBI-0637142 modestly induced HIV-1 latency ex vivo in CD4+ T cells from ART-suppressed aviremic HIV-infected patients as a single agent, showed robust activity when administered in combination with the HDACi panobinostat.SBI-0637142's latency reversal activity is dependent on the NIK-dependent NF-κB signaling.

S2C3 is a small molecule HIV-1 fusion inhibitor, targets the membrane proximal external region (MPER) of HIV-1 envelope spike.S2C3 interacted with gp41-inter with an affinity of 2.0 uM.S2C3 has been shown to effectively block binding to the intact HIV-1 Env expressed on the cell surface by soluble CD4 but not by CD4 binding the sitedirected NAb VRC01, or the prefusion conformation-specific NAb PG16.S2C3 targets a site in the HIV-1 Env distinct from sites targeted by small-molecule entry inhibitors that have been identified so far.S2C3 could stabilize HIV-1 Env in the prefusion conformation, making it potentially useful in a vaccine preparation to reduce the conformational flexibility of Env.

S1g-2 (Hsp70-Bim inhibitor S1g-2) is a selective inhibitor to block interactions of Hsp70-Bim with IC50 of 0.4 uM in FPA assays, > 40-fold selectivity to target Hsp70-Bim over Bcl-2-Bim. S1g-2 induces cell-type-specific apoptosis in CML cells through selectively disrupting the Hsp70-Bim PPI. S1g-2 progressively enhanced lethality along with the increase in BCR-ABL-independent TKI resistance in the K562 cell lines. S1g-2 is more effective in primary samples from BCR-ABL-independent TKI-resistant patients than those from TKI-sensitive patients.

RTICBM-74 is a potent, selective, brain-penetrant CB1 negative allosteric modulator (NAM) with IC50 of 23 nM in Ca2+ assays.RTICBM-74 displays excellent half-life and low clearance against rat liver microsomes and hepatocytes, and excellent brain penetrance in rats.RTICBM-74 specifically reduces alcohol intake across a range of doses in male or female Wistar or Long-Evans rats, reduces alcohol intake and does not affect locomotion or sucrose self-administration.

RTICBM-229 is a potent, selective, brain-penetrant CB1 negative allosteric modulator (NAM) with IC50 of 169 nM in Ca2+ assay, 40 nM in GTPγS assay.

RS-1748 is a highly potent, selective, orallu active CCR4 antagonist, inhibits [125I]CCL17 binding to human CCR4 with IC50 of 59.9 nM.RS-1748 displays no competitive displacement in the binding of [125I]CCL3 (MIP-1α) to CCR1 and [125I]CCL2 (MCP-1) to CCR2b. dose-dependently inhibited 50 nM CCL22-induced [Ca2+]i mobilization with IC50 of 28.3 nM, inhibited the binding of [35S]GTPgS to human CCR4-expressing CHO cells with IC50 of 18.4 nM.Orally administered RS-1748 (30 mg/kg) significantly lowered the total cell numbers and the eosinophils numbers in ovalbumin-sensitized guinea pigs.

RS-1269 is a highly potent, selective CCR4 antagonist, inhibits [125I]CCL17 binding to human CCR4 with IC50 of 27.7 nM.RS-1269 also has strong affinity to displace the CCL17 binding with IC50 of 27.0 nM in CCR4-expressing CHO cells.RS-1269 displays no competitive displacement in the binding of [125I]CCL3 (MIP-1α) to CCR1 and [125I]CCL2 (MCP-1) to CCR2b.RS-1269 dose-dependently inhibited CCL17-induced migration of Th2 cells with IC50 of 5.5 nM.Orally administered RS-1269 (30 mg/kg) ameliorates ovalbumin-induced ear swelling in mice.RS-1269 also inhibited LPS-induced TNF-α production in vivo.

RP12146 (RP12146) is a novel, selective, and potent small molecule inhibitor of PARP1/2 with IC50 of 0.6/0.5 nM, with several fold selectivity over other isoforms.RP12146 inhibited cell growth in both BRCA mutant and non-BRCA mutant cancer cell lines with a GI50 range of 0.043 to 19.83 µM in a dose dependent manner.RP12146 demonstrated anti-tumor activities in both tumor size and tumor weight in OVCAR3 xenograft model.

Rohinitib is a potent and specific inhibitor of eIF4A1, inhibits growth and survival of AML cells especially cells with FLT3-ITD.

RO 5459072 (RG-7625) is a potent, highly selective of cathepsin S with IC50 of 0.1 nM and 0.3 nM for human and murine Cathepsin S, respectively; shows no sub-micro molar inhibition against others cathepsins (Cat L, B, K, and F) with the exception of Cat V (IC50=700  nM); dose-dependently reverses aberrant systemic autoimmunity, e.g. plasma cytokines, activation of myeloid cells and hypergammaglobulinemia, especially suppresses IgG autoantibody production.

RJR-2403 (Rivanicline, Metanicotine) is a potent, selective neuronal nicotinic ACh (nAChR) agonist with high affinity to rat brain cortex (Ki=26 nM), does not significantly activate muscle type nAChRs or muscarinic receptors; RJR-2403 is comparable to nicotine in activating rat thalamic synaptosomes with EC50 of 732 nM; significantly improves passive avoidance retention after scopolamine-induced amnesia and enhanced both working and reference memory in rats, also demonstrates greatly reduced cardiovascular effects; exerts its antinociceptive effect via nicotinic rather than either opioid or muscarinic mechanisms.

RGM8-51 is a β-lactam derivative, potent, selective TRPM8 antagonist with IC50 of 1.06 and 1.74 uM for rat and human TRPM8, respectively.RGM8-51 does not have any ability to activate TRPM8 channels, but produces a concentration-dependent inhibition of menthol activation.RGM8-51 is selective for cold-activated TRPM8 channels, displays no agonist or antagonist profile in cool-activated TRPA1 channels and has negligible activity as TRPV3 and ASIC3 channel antagonists.RGM8-51 (1 µM) inhibited menthol-activated currents in rTRPM8-expressing HEK293 cells.RGM8-51 exhibits in vivo antinociceptive activity in response to cold, in a mouse model of oxaliplatin-induced peripheral neuropathy.RGM8-51 reduces cold, mechanical and heat hypersensitivity in a rat model of neuropathic pain arising after chronic constriction of the sciatic nerve.RGM8-51 exhibits mechanical hypersensitivity-relieving activity, in a mouse model of NTG-induced hyperesthesia.

RGM079 (RGM-079) is a potent, selective α7 nAChR positive allosteric modulator (PAM) with EC50 of 8.3 uM.RGM079 exhibited a balanced pharmacokinetic profile and antioxidant properties comparable or even higher than well-known natural polyphenols.RGM079 shows neuroprotective properties in Alzheimer's disease (AD)-toxicity related models.RGM079 causes a concentration-dependent neuroprotective effect against the toxicity induced by okadaic acid (OA) in the human neuroblastoma cell line SH-SY5Y.RGM079 is able to restore the cellular viability after exposure to OA and amyloid peptide Aβ1–42, with cell death almost completely prevented at 10 and 30 μM, respectively, in primary cultures of rat cortical neurons;RGM079 shows in vivo analgesic activity in the complete CFA-induced paw inflammation model after intraperitoneal administration.

Rencofilstat (CRV431) is a non-immunosuppressive analogue of cyclosporine A and pan-cyclophilin inhibitor, potently inhibits cyclophilin isoforms A, B, D, and G with IC50 of 1-7 nM.Rencofilstat (CRV431) is more than 13 times more potent than the parent compound, cyclosporine A (CsA).Rencofilstat (CRV431) inhibits liver HBV DNA and HBsAg, reduces liver HBV DNA levels and moderately decreased serum HBsAg levels in HBV transgenic mouse model.Rencofilstat (CRV431) shows potential as a drug candidate for chronic liver diseases.

Rebimastat (BMS-275291, D2163) is a potent, broad spectrum matrix metalloproteinase (MMPs) inhibitor with potential antineoplastic activity, shows nM potency against MMP-1/2/7/9/14.BMS-275291 inhibits tumor growth in a B16BL6 model of experimental metastasis, BMS-275291 treatment results in a dose-dependent reduction in the number of lung metastases.BMS-275291 also inhibits angiogenesis in a murine angiogenesis model with a dose-dependent inhibition of endothelial cell migration.Rebimastat (BMS-275291) induces extracellular matrix degradation, and inhibiting angiogenesis, tumor growth and invasion, and metastasis.