COX-1-IN-5 (example 13, compound PS13) is a potent and selective COX-1 inhibitor (COX-1 IC50 = 1 nM, COX-2 IC50 > 0.1 μM) exhibiting >1000-fold selectivity over COX-2. COX-1-IN-5 possesses strong anti-inflammatory, antipyretic, analgesic, antithrombotic, anti-cancer activities. COX-1-IN-5 can be used for COX-mediated diseases research, such as inflammatory conditions and pain. COX-1-IN-5 radiolabeled with 11C can be used as a selective PET tracer for whole‑body imaging of COX‑1 distribution and target engagement in vivo.

Cot-IN-4 (compound 32) is a potent cancer osaka thyroid (COT) kinase inhibitor with an IC50 of 6 nM. Cot-IN-4 inhibits the phosphorylation of ERK (IC50: 60 nM) and inhibits TNFα release (IC50: 60 nM). Cot-IN-4 also inhibits the formation of the pro-inflammatory cytokine IL-1β (IC50: 0.2 μM) in Uric acid-stimulated macrophages. Cot-IN-4 can be used for the study of inflammatory diseases.

Corthrombin (CVS 995) is a potent alpha-keto-amide thrombin inhibitor with Ki of 1 pM. Corthrombin can be used for the research of cardiovascular disease.

Copanlisib-NH is a PI3Kα/δ ligand. Copanlisib-NH can be used as a ligand for target protein for PROTAC to develop and design degraders of PROTAC PI3Kα/δ, such as PROTAC PI3Kα/δ degrader-1. Copanlisib-NH can be used in breast cancer research.

Contragestazol (DL111-IT) is a non-hormonal antifertility agent. Contragestazol reduces the expression of Cyclin D1 and CDK4, increases the expression of total retinoblastoma protein (pRb), and decreases the level of hyperphosphorylated pRb. Contragestazol induces G0/G1 phase cell cycle arrest. Contragestazol inhibits embryonic development by inducing luteal cell apoptosis and reducing intrauterine polyamine levels. Contragestazol exhibits antitumor activity against prostate cancer, S180 tumor and H22 tumor. Contragestazol shows extremely potent activity in terminating early pregnancy in animals.

CN-716 dihydrochloride is a reversible covalent flavivirus NS2B·NS3 protease inhibitor with antiviral activity. CN-716 dihydrochloride effectively inhibits the replication of dengue virus (DENV2), West Nile virus (WNV) and Zika virus (ZIKV). The IC50 values of CN-716 dihydrochloride against the proteases of the above three viruses are 0.066 μM, 0.11 μM and 0.25 μM, respectively, while the Ki values against the same proteases are 0.051 μM, 0.082 μM and 0.04 μM, respectively. CN-716 dihydrochloride can be used to study the infection mechanisms of dengue fever, West Nile fever and Zika virus infection.

CN016 is a neuroprotective agent. CN016 inhibits the elevation of pro-inflammatory cytokines G-CSF, GM-CSF and IL-6 induced by Oxaliplatin. CN016 suppresses Paclitaxel-induced inflammatory responses and immune cell infiltration into sensory neurons. CN016 protects neurons from Paclitaxel-induced neurotoxic damage. CN016 protects mice against Oxaliplatin-induced peripheral neuropathy.

CMP-2-Aminoethylphosphonate is a nucleoside metabolite.

CM304 free base (FTC-146) is a potent S1R antagonist. CM304 free base enhances the antinociceptive effects of the cannabinoid receptor agonists. CM304 free base inhibits convulsions in rats.

ClpP agonist 1 is a Staphylococcus aureus ClpP (SaClpP) agonist with an EC50 of 1.44 μM, Kd values of 2.95 μM (isothermal titration calorimetry) and 18 μM (bio-layer interferometry), and a low drug resistance frequency. ClpP agonist 1 reduces bacterial load, shrinks infected area and improves histopathological outcomes in a mouse skin infection model. ClpP agonist 1 can be used for the research of Methicillin-resistant Staphylococcus aureus (MRSA) skin infections.

ClpP activator-2 (Compound GU18) is a ClpP activator with a Kd of 5.01 μM for HsClpP. ClpP activator-2 enhances the proteolytic activity of HsClpP and promotes the degradation of α-casein by HsClpP, with an EC50 of 1.09 μM. ClpP activator-2 induces the accumulation of mitochondrial reactive oxygen species (ROS), leading to damage to mitochondrial structure and function. ClpP activator-2 exhibits significant in vivo anti-multiple myeloma activity.

Clogestone acetate (AY-11440) is an orally active progesterone receptor agonist. Clogestone acetate reduces adrenal and ovarian weight, as well as serum and adrenocortical ketone levels in rats.

Clofilium phosphate (LY 150378) is an antiarrhythmic/antifibrillatory agent. Clofilium phosphate significantly prolongs the action potential duration and effective refractory period of canine cardiac Purkinje fibers, increases the ventricular fibrillation threshold, reduces the risk of reentrant arrhythmias, and enables spontaneous conversion of some ventricular fibrillation episodes to sinus rhythm. Clofilium phosphate is applicable to research related to ventricular fibrillation, arrhythmias, and ventricular tachyarrhythmias.

Clodazon (AW 142446) is an antidepressive agent.

Clethodim sulfone is a clethodim oxidation metabolite. Clethodim is one of the most widely used herbicides in agriculture

Clathrin-IN-5 (Compound 9) is a Clathrin N-terminal domain-Amphiphysin protein-protein interaction inhibitor with an IC50 of 2.77 μM. Clathrin-IN-5 inhibits the protein-protein interaction between the clathrin N-terminal domain and amphiphysin. Clathrin-IN-5 inhibits clathrin-mediated endocytosis with an IC50 of 4.6 μM. Clathrin-IN-5 inhibits the GTPase activity of Dynamin I with an IC50 of 29.7 μM.

Clanobutin is an orally active pharmaceutically acceptable N-acylanilinobutyric acid compound. Clanobutin increases gastrointestinal enzyme secretion. Clanobutin tonicizes the cardiovascular system, increases internal organ blood circulation, and boosts heart force. Clanobutin suppresses stomach ulcer formation and exhibits anti-hepatotoxic activity.

c-Kit-IN-13 (Compound I) is a c-kit kinase inhibitor. c-Kit-IN-13 inhibits the autophosphorylation of wild-type c-kit, with an IC50 of 0.3 nM for pKIT. c-Kit-IN-13 inhibits Exon 11 KIT, with an IC50 of 0.9 nM. c-Kit-IN-13 can be used in the research of mast cell-mediated diseases such as urticaria.

CK2-TN03 is an ATP-competitive casein kinase 2 (CK2) inhibitor, with an IC50 of 165 nM and a Ki of 20 nM. CK2-TN03 inhibits CK2-mediated survivin activation and reduces CK2-dependent phosphorylation levels of BRD4/MYCN and AKT1. CK2-TN03 exerts anti-neuroblastoma effects by inhibiting survivin, leading to mitotic catastrophe and apoptosis of cancer cells. CK2-TN03 can be used in studies related to neuroblastoma.

CK1γ-IN-1 is a non-selective CK1 kinase inhibitor with IC50 values of 780 nM, 570 nM and 990 nM against human CK1γ1, CK1γ2, CK1γ3, respectively. The non-specific binding of CK1γ-IN-1 to multiple kinases enables its application in biological studies of specific CK1γ.

CK1-IN-5 (compound B-AZ) is an inhibitor of CK1. CK1-IN-5 lengthened the circadian period by inhibits AtCKL3/AtCKL4 activity.

Cizolirtine citrate (E-4018) is an analgesic agent. Cizolirtine citrate has significant analgesic and anti-hyperalgesic action in neuropathic pain models.

cis-Vaccenoyl chloride is a fatty acid chloride.

cis-3-[(Benzyloxy)methyl]cyclobutanol is a PROTAC linker that can be used in the synthesis of PROTACs.

cis-3-(Aminomethyl)cyclobutanol hydrochloride is a PROTAC linker that can be used in the synthesis of PROTACs.

nNOS-IN-3 (compound 4) is a selective neuronal nitric oxide synthase (nNOS) inhibitor with a human hnNOS Ki of 25 nM, rat rnNOS Ki of 18 nM, human heNOS Ki of 58140 nM, human hiNOS Ki of 6422 nM. nNOS-IN-3 binds to nNOS active sites via hydrogen bonds with Glu and chalcogen bonds with Met, fails to form chalcogen bonds with heNOS, and undergoes passive transcellular transport with minimal efflux liability. nNOS-IN-3 can be used for the research of neurodegenerative diseases and melanoma.

Cioteronel is an antiandrogen agent. Cioteronel can be studied in research on androgenetic alopecia.

Cinflumide is an orally active muscle relaxant. Cinflumide shows antiinflammatory activity.

Ciliatocholate (Ciliatocholic acid) is a nucleoside metabolite.

CI-996 is a potent, selective, orally active angiotensin II (Ang II) type 1 (AT1) receptor antagonist. In rat liver membranes CI-996 displaces specifically bind [125I]Ang II with an IC50 of 0.8 nM. CI-996 has blood pressure-lowering activity.