A bile salt formed in the liver by conjugation of cholic acid with taurine that can be used to solubilize lipids and membrane-bound proteins.

A major metabolite of glycyrrhizin, a constituent of licorice that exhibits anti-ulcerative, anti-inflammatory, and immunomodulatory properties; at 100 mg/kg/day, reduces lipid peroxidation and increases antioxidant activity in diabetic rats; suppresses LPS-induced TNF-α production and…

An antimycotic prodrug that is converted by cytosine deaminase to 5-fluorouracil, a cytotoxic drug that inhibits viral infections and has cytotoxic effects on cancer cells.

A fluorogenic substrate of β-glucuronidase that upon cleavage yields a blue fluorescent end product that can be monitored by UV light; typically used in the GUS reporter system for fluorescent detection of β-glucuronidase gene expression in E. coli and transformed plants.

A chemical chaperone that rescues the trafficking of misfolded proteins and weakly blocks HDAC activity (IC50 = 0.4 mM), leading to cell cycle arrest, differentiation, and/or apoptosis of various tumors.

A major organic tracer generated by burned cellulose; used to evaluate, in atmospheric samples, the burning of wood.

An N-acetylglucosamine derivative that has been shown to promote hyaluronic acid production.

An analog of β-D-glucose in which sulfur replaces the hydroxyl group at the one position, allowing diverse chemical reactions, including click chemistry and polymerization; can be labeled with technetium-99m for analytical and diagnostic procedures.

An antibiotic which is used in molecular and cell biology to select for transformed cells expressing the hygromycin resistance gene; kills prokaryotic and eukaryotic cells by inhibiting protein synthesis.

A steroid hormone produced in the cortex of the adrenal glands that binds to both glucocorticoid and mineralocorticoid receptors; also is the precursor to aldosterone synthesis.

An inhibitor of DPP-4 (IC₅₀ = 3.5-34 nM); also inhibits DPP-8 and DPP-9 (Ki = 810 and 95 nM, respectively) but not DPP-2 or FAPα; blocks the degradation of several circulating peptides, including incretins; reduces fasting and postprandial glucose levels and decreases inflammatory…

An unsaturated fatty acid found in royal jelly produced from honeybees; demonstrates longevity-promoting effects in C. elegans, down regulates matrix metalloproteinases (MMPs) in rheumatoid arthritis, inhibits VEGF-induced angiogenesis in HUVECs, facilitates differentiation of neurons from neural…

A natural alkaloid with antiviral properties, inhibiting the replication of hepatitis B alone and in combination with lamivudine; prevents fibrosis in a number of organs including liver, at least in part by interfering with TGF-β signaling.

An amino-amide anesthetic that binds to the intracellular portion of voltage-gated sodium channels and blocks sodium influx into nerve cells, preventing the generation of an action potential; inhibits the uptake of dopamine in striatal synaptosomes by 47% at 100 µM.

A thio analog of the purine base guanine that incorporates into DNA during replication, inducing double-strand breaks that destabilize its structure and result in cytotoxicity; used as a chemotherapeutic for acute leukemia and other types of cancer, including BRCA2-mutated tumors.

A β-lactam antibiotic in the cephalosporin class.

An imidazoquinoline compound that activates TLR7 (EC₅₀ = 2.1 µM) on immune cells, inducing the production of IFN-α, IL-12, and other mediators; up-regulates the OGF receptor on cancer cells, blocking cell proliferation (IC₅₀ = 2 µM).

Cathepsin K is a lysosomal cysteine protease found in osteoclasts whose elevated activity has been linked to the formation of osteoporosis and arthritis. 2-cyano-Pyrimidine is a cathepsin K inhibitor whose basic structure and derivatives are being studied for the treatment of osteoporosis.…

A chromogenic substrate that, like other tetrazolium compounds, can be reduced to produce a colored formazan derivative; used in the “NBT test” to evaluate the activity of NADPH oxidase in phagocytes; paired with PCIB for the colorimetric detection of alkaline phosphatase activity.

A chemiluminescent substrate of firefly luciferase which produces light upon oxidative decarboxylation in the presence of ATP.

A cell-permeable, chromogenic substrate for β-galactosidase used in histochemical and molecular biology applications, including detection of lacZ activity in cells and tissues.

6-Bromoisoquinoline is a synthetic intermediate useful for pharmaceutical synthesis.

Cholesterol is the principal sterol of the higher animals, found in all body tissues. It is the main constituent of gallstones and all biological membranes. Approximately 25% of total brain lipid is cholesterol. Cholesterol is suitable for use in liposome preparations.

A biguanide derivative used to lower blood glucose concentrations in patients with non-insulin-dependent diabetes mellitus; 50-400 mg/kg body weight inhibits complex 1 of the mitochondrial respiratory-chain and induces AMP-activated protein kinase-dependent signaling in B6-Lepob/ob mice.

A benzopyrene derivative that is activated by hepatic cytosol into electrophilic sulfuric acid esters, which are capable of forming covalent DNA adducts and inducing mutations.

An aminocyclitol antibiotic active against Gram-negative and Gram-positive bacteria; inhibits protein synthesis by binding to the 30S ribosomal subunit and interfering with peptidyl tRNA translocation.

A synthetic intermediate useful for pharmaceutical synthesis.

A fluoroquinolone antibiotic that displays broad spectrum antibacterial activity by inhibiting the bacterial regulatory enzyme DNA gyrase (IC₅₀ = 0.92 µg/ml) as well as topoisomerase IV (IC₅₀ = 1.62 µg/ml).

A deoxyhexose monosaccharide found on N- and O-linked glycans and glycolipids that exists either as a terminal modification of glycan structures or serves as a point of attachment for adding other sugars; plays a role in A and B blood group antigen substructure determination, selectin-mediated…

3-Pyrimidin-2-yl-Propionic Acid is a synthetic intermediate useful for pharmaceutical synthesis.

Ciclopirox is a hydroxypyridone compound that exhibits antifungal, anti-inflammatory, anti-angiogenic, and anticancer chemotherapeutic activities. This compound acts as a metal ion chelator, preventing peroxide degradation. Ciclopirox modulates generation of ROS in a PKA/Ras1/Ras2-dependent manner,…

A natural retinoid that associates with CRBP-I and CRBP-II (Kds = 50 and 90 nM, respectively), which are involved in the intracellular transport of retinol; an intermediate of the phototransduction pathway of photoreceptors; can form toxic conjugates with proteins and lipids, leading to…