SNX-2112 selectively binds to the ATP pocket of HSP90α and HSP90β with Ka of 30 nM and 30 nM, uniformly more potent than 17-AAG.

Sodium channel blocker. Suppresses tetrodotoxin (TTX)-resistant Na+ currents approximately twice as selectively as TTX-sensitive currents. Antinociceptive; displays analgesic effects in animal models of inflammatory and neuropathic pain.

Sodium Tauroursodeoxycholate (TUDC) is a water soluble bile salt, used for the treatment of gallstones and liver cirrhosis.

Solcitinib, also known as GSK2586184 or GLPG0778, is a Janus kinase 1 (JAK1) inhibitor.

Solifenacin Hcl(YM905 Hcl; Vesicare Hcl) is a muscarinic receptor antagonist.

Solifenacin Succinate(YM905; Vesicare) is a muscarinic receptor antagonist.

Solithromycin is a novel ketolide antibiotic.

Solriamfetol hydrochloride (JZP-110, R-228060, ADX-N05, YKP-10A) is a norepinephrine-dopamine reuptake inhibitor that inhibits dopamine and norepinephrine transporter with IC50 of 2.9 and 4.4 uM, respectively.

Sorafenib Tosylate (Bay 43-9006, Nexavar) is a multikinase inhibitor of Raf-1, B-Raf and VEGFR-2 with IC50 of 6 nM, 22 nM and 90 nM, respectively.

Sorafenib(BAY 43-9006) is a potent inhibitor of Raf-1 with IC50 values of 6 nM, 22 nM and 90 nM for Raf-1, B-Raf, and VEGFR2 respectively, BAY 43-9006 suppresses both wild-type and V599E mutant BRAF activity in vitro.

Soticlestat is a potent, selective cholesterol 24-hydroxylase inhibitor.

Sotrastaurin(AEB-071) is a potent and selective pan-PKC inhibitor, mostly for PKCθ with Ki of 0.22 nM; inactive to PKCζ.

SP 141 is a cell-permeable inhibitor of Mdm2 (Ki = 28 nM).

SP2509 is a novel histone demethylase LSD1 (KDM1A) antagonist with IC50 of 13 nM; no inhibition on MAO-A and MAO-B.

SP-420 is an orally active small molecule that selectively binds iron and removes it from the body. SP-420 has shown excellent tissue penetration, highly efficient iron binding and a promising safety profile.

SP600125 is a broad-spectrum JNK inhibitor for JNK1, JNK2 and JNK3 with IC50 of 40 nM, 40 nM and 90 nM, respectively.

Spastazoline is a potent and selective spastin (a microtubule-severing AAA protein) inhibitor, with an IC50 of 99 nM for Human spastin. Spastazoline shows no effect on ATPase activity of a recombinant human VPS4.

Spautin 1 is an inhibitor of autophagy; inhibits USP10 and USP13 activity (IC50 values are 0.6 and 0.7 μM respectively) and promotes degradation of Vps34 (class III PI 3-kinase) complexes.

SPD304 is a selective inhibitor of tumor necrosis factor α (TNFα) and promotes dissociation of TNF trimers and therefore blocks the interaction of TNF and its receptor, with an IC50 of 22 µM for inhibiting in vitro TNF receptor 1 (TNFR1) binding to TNF-α.

SPDB is a disulfide chemical linker for antibody-drug conjugates (ADCs)..

SPI 112 is novel Shp2 PTP inhibitor.

SPI-112Me is a prodrug for SPI-112, which preferentially inhibits the PTPase activity of Shp2 over Shp1 and PTP1B by a factor of 20 in cell-free assays.