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.

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.

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.

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.

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.

CI-986 is a dual inhibitor of COX and 5-LOX. CI-986 can prevent the coronary vasoconstriction and the increased production of LTB(4) and LTC(4). CI-986 also has anti-inflammatory and analgesic effects. CI-986 can be used for the researches of inflammation and cardiovascular disease, such as arthritis.

CI-959 is an inhibitor of inflammatory cell activation. CI-959 exhibits anti-inflammatory and anti-allergic activities. CI-959 can inhibit the production of reactive oxygen species by neutrophils, as well as neutrophil adhesion, respiratory burst, and histamine release from mast cells. CI-959 can also inhibit the release of inflammatory mediators such as histamine, leukotrienes, and thromboxane from guinea-pig and human lung tissues, and effectively suppress anti-IgE-induced contractions of human bronchial smooth muscle. CI-959 can be used in the research of inflammatory and allergic diseases, such as asthma.

CHX-3107 is a casein kinase 2 inhibitor .

Cholesterol heptanoic acid is a lipophilic Cholesterol derivative. Cholesterol heptanoic acid can combine with peptides (such as peptides P1 and P2) to form lipopeptides, which possess antiviral activity. Cholesterol heptanoic acid can be used for research of HIV infection.

Cholera toxin-IN-1 is a potent competitive inhibitor of cholera toxin B subunit (CTB) with an IC50 value of 11.78 μM. Cholera toxin-IN-1 forms stable hydrogen bonds and hydrophobic interactions. Cholera toxin-IN-1 competitively blocks the binding of CTB to GM1 ganglioside. Cholera toxin-IN-1 can be used for the research of cholera.

CHNQD-03301 is an orally active hypoxia-inducible factor-1α (HIF-1α) inhibitor (IC50 = 10.97 nM). CHNQD-03301 promotes the proteasomal degradation of HIF-1α protein, leading to its significant suppression. CHNQD-03301 can reverse HIF accumulation-induced angiogenesis and mitigate the HIF-induced erythrocytosis phenotype in zebrafish models. CHNQD-03301 can be used for the study of colon cancer.

CHNQD-01522 is a microtubule inhibitor targeting the colchicine binding site on β-tubulin. CHNQD-01522 binds to the colchicine binding site on β-tubulin, inhibits microtubule polymerization, and evades P-glycoprotein transport in cancer cells. CHNQD-01522 inhibits proliferation, suppresses tumor cell colony formation, arrests cell cycle in G2/M phases, and induces apoptosis in cancer cells. CHNQD-01522 upregulates of Bax and activation of caspase-9 and caspase-3. CHNQD-01522 shows anti-tumor efficacy in subcutaneous and orthotopic hepatocellular carcinoma xenograft tumor models. CHNQD-01522 can be used for the research of hepatocellular carcinoma.

Chlorproethazine hydrochloride is an orally active phenothiazine compound. Chlorproethazine hydrochloride can eliminate spasticity when administered intravenously and also effectively reduce rigidity in decerebrate cats. Chlorproethazine hydrochloride can be used in the research of neurological diseases.

Chlorohexane-PEG-clozapine is a HaloTag PROTAC degrader based on Clozapine. Chlorohexane-PEG-clozapine leads to a significant decrease in the luminescence intensity and protein level of Halo-Eluc. (Pink: Ligands for Target Protein for PROTAC Target protein ligand; Blue: Ligands for E3 Ligase ligand ; Black: linker).