S-Trityl-L-cysteine (NSC 83265) is a potent, cell-permeable, selective inhibitor of mitotic kinesin Eg5, inhibits basal ATPase activity (IC50=1 mM) and microtubule-activated ATPase activity of Eg5 (IC50=140 nM).

SU 16f is a potent and selective PDGFRβ inhibitor with IC50 of 10 nM, displays >14-fold, >229-fold and >10,000-fold selectivity over VEGFR2, FGFR1 and EGFR respectively.

SU-10994 is a novel VEGFR inhibitor.

SU-11752 is a potent, selective inhibitor of DNA-PK, >500-fold selectivity over PI3Kγ, inhibits DNA double-strand break repair in cells and sensitizs ionizing radiation in cancer cells..

SU14813 is an oral, multitargeted tyrosine kinase inhibitor (TKI) targeting vascular endothelial growth factor receptors (VEGFR), platelet-derived growth factor receptors (PDGFR), Kit, and fms-like tyrosine kinase 3 (FLT-3).

SU-909 (SU909, IKKα-IN-48) is a potent, selective IKKα inhibitor with Ki of 0.08±0.07 uM, 10-20-fold selectivity over IKKβ (IC50=1.0±0.28 uM); inhibits FCS-stimulated phosphorylation of p100 in U2OS cells with IC50 of 8.8 uM, inhibits the noncanonical NF-kB pathway without affecting IKKβ-dependent IKappa-Bα loss in the canonical pathway.

Suberohydroxamic acid is a competitive HDAC inhibitor with IC50 values of 0.25 and 0.3 μM for HDAC1 and HDAC3 respectively.

Suberylglycine is an acyl glycine, which is a normally minor metabolite of fatty acid.

Suc-AAP-Abu-pNA is a chromogenic peptide substrate for pancreatic elastase.It is cleaved by elastase to release p-nitroalinide (p-NA), which can be quantified by colorimetric detection at 405 nm as a measure of enzyme activity.

Sucralfate is a sucrose sulfate-aluminium complex that binds to the ulcer, creating a physical barrier that protects the gastrointestinal tract from stomach acid and prevents the degradation of mucus

Sudemycin E is an alternative splicing inhibitor that binds to the U2 small nuclear ribonucleoprotein (snRNP) component SF3B1, causes a rapid change in alternative pre-messenger RNA splicing.

Sudemycin K is a synthetic antitumor splicing inhibitor with IC50 of 15 nM (MCL1 alternative splicing regulation), shows cytotoxicity in HeLa cells with IC50 of 2.3 nM.

Sufugolix(TAK-013) is a non-peptide, orally-active, selective antagonist of the gonadotropin-releasing hormone receptor (GnRHR) (IC50 = 0.1 and 0.06 nM for affinity and in vitro inhibition, respectively).

Sulfabenzamide is an antibacterial/antimicrobial which also exhibit their antitumor effects through multiple mechanisms including inhibition of membrane bound carbonic anhydrases, prevention of microtubule assembly, cell cycle arrest, and inhibition of an

Sulfatinib (HMPL-012) is a potent, multi-targeted tyrosine kinase inhibitor of VEGFR-1/2/3, FGFR1, CSF1R with IC50 of 2/24/1 nM, 15 nM, 4 nM, respectively.

Sulfinpyrazone is one of the most studied platelet COX inhibitors, also a uricosuric agent that competitively inhibits uric acid reabsorption in kidney proximal tubules.

Sulisobenzone is an ingredient in some sunscreens which protects the skin from damage

Sumanirole maleate(PNU 95666E; U95666E) is a highly selective D2 receptor full agonist with an ED50 of about 46 nM.

Sunifiram (DM-235) is a piperazine derived ampakine-like drug which has nootropic effects in animal studies with significantly higher potency than piracetam.

Super-TDU is an inhibitory peptide targeting YAP-TEADs interaction.

Surfen hydrate is a small molecule antagonist of heparan sulfate, binds to heparin, low molecular weight heparins, and to HS and other GAGs.

Surfen is a small molecule antagonist of heparan sulfate, binds to heparin, low molecular weight heparins, and to HS and other GAGs.