Travoprost is the Alcon trade name for fluprostenol isopropyl ester, an F-series prostaglandin analog which has been approved for use as an ocular hypotensive drug. Fluprostenol isopropyl ester is a prodrug which is converted by esterase enzymatic activity in the cornea to yield the corresponding…

A pyridine regio-isomer of the JMJD3 inhibitor GSK-J4; cell-permeable and hydrolyzed to a free base, which is a weak inhibitor of JMJD3 (IC50 > 100 μM), making it an ideal negative control molecule.

A selective, reversible inhibitor of V-ATPases in mammalian, plant, or fungal cells with an IC₅₀ value in the 4-400 nM range; at 100 nM, the related bafilomycin A1 blocks V-ATPase-mediated acidification of lysosomes during autophagy, preventing protein degradation.

A certified reference material categorized as a phytocannabinoid; intended for research and forensic applications.

An analog of wortmannin; irreversibly binds PI3K; inhibits recombinant PI3K and mTOR (IC₅₀ = 2.7 and 193 nM, respectively) and prevents the growth of LNCap cells (IC₅₀ = 1.46 μM).

An irreversible inhibitor of the H2S synthesizing enzyme cystathionine-γ-lyase (CSE) (IC50 value of 55 µM).

A reversible, cell-permeable inhibitor of GSK3α and GSK3β (IC₅₀ = 0.65 and 0.58 nM, respectively); stimulates glycogen synthase in cells (EC₅₀ = 106 nM), potentiates insulin-dependent glucose transport in isolated muscle strips, and improves glucose disposal in…

A plant hormone with diverse roles in disease resistance, plant development, and response to stresses; regulates gene expression and may contribute to epigenetic changes at the chromatin level.

A pan FGFR inhibitor (IC₅₀s = 0.9, 1.4, and 1 nM for FGFR1, FGFR2, and FGFR3, respectively); suppresses proliferation of cancer cells with wild-type FGFR3 overexpression and in an RT112 bladder cancer xenograft mouse model overexpressing wild-type FGFR3.

Produced from Ins(1,2,3,5,6)P5 via a minor enzymatic phytate degradation pathway by K. terrigena; moderately effective in opening calcium channels relative to Ins(1,4,5)P3.

PGA2 is a naturally occurring prostaglandin in gorgonian corals where it may function in self defense. It is generally not present in mammals. PGA2 has low biological potency in most bioassays, but it does show some antiviral/antitumor activity. At a 25 µM concentration, PGA2 blocks the cell…

A selective, reversible inhibitor of vacuolar H+-ATPases (V-ATPases), blocking these proton pumps in mammalian, plant, or fungal cells with an IC50 value in the 4-400 nM range; also inhibits autophagy by preventing vacuolar acidification necessary for autophagosome maturation.

CB-5083 is an orally bioavailable inhibitor of p97 (IC₅₀ = 11 nM), a transitional endoplasmic reticulum ATPase also known as valosin-containing protein (VCP). It disrupts cellular protein homeostasis and demonstrates anti-tumor activity in hematological and solid tumor models. CB-5083…

A reversible inhibitor of PAD4 (IC50 = 50 nM) that binds to the low-calcium form of the enzyme; blocks the citrullination of PAD4 target proteins in human neutrophils and inhibits the formation of NETs in both mouse and human neutrophils.

CYP1B1 is mainly an extrahepatic enzyme which oxidatively metabolizes both endogenous (steroids; eicosanoids) and exogenous xenobiotics such as polyaromatic hydrocarbons. TMS is a potent and selective inhibitor of CYP1B1, with an IC50 of 6 nM. It is 50-fold selective for the inhibition of CYP1B1…

A cyclic polypeptide-containing anticancer antibiotic that binds to DNA and blocks transcription by interfering with RNA synthesis; ~10 nM promotes cell death in a variety of tumors.

A selective, irreversible inhibitor of BTK (IC₅₀ = 0.5 nM in vitro in B cell lymphoma cell lines) that targets and covalently binds to BTK at cysteine-481; inhibits osteoclast function and reduces osteoclast-stimulated proliferation of multiple myeloma cells in animal models of…

A prominent amino-acyl endocannabinoid isolated from rat brain during lipidomics profiling that may activate TRPV1 and TRPV4.

Hydroxy linoleins are a mixture of 132 possible isomers of mono-, di-, and tri-hydroxy compounds produced by the autoxidation of trilinolein and subsequent reduction of the hydroperoxides. Autoxidation of linoleic acid containing triglycerides (i.e., trilinolein) in vivo could result in the…

An inhibitor of PAD4 deimination activity (IC50 = 5.9 μM) that also inhibits PAD1 and PAD3 (IC50 = 0.8 and 6.2 μM, respectively); dose dependently decreases the citrulline content in serum and joints and reduces the development of IgG autoantibodies in a CIA mouse model of inflammatory arthritis.

An allosteric, reversible inhibitor of PAR1 on platelets, preventing surface expression of P-selectin induced by the peptide SFLLRN with an IC₅₀ value of 0.26 µM; also blocks platelet activation induced by thrombin but not by PMA, U-46619, or collagen.

An antagonist of the 5-HT2C receptor (pKi = 9.0), with at least 100-fold more selectivity over other 5-HT, dopamine, or adrenergic receptors; brain penetrant with significant anxiolytic activity; used extensively in animal research.

A major phase I metabolite of the mycotoxin α-zearalanol (zeranol), a non-steroidal estrogen produced by fungi; an estrogen receptor agonist (EC₅₀ = 0.11 µM).

A reactive disulfide-containing, fluorescent probe designed to detect H2S in biological samples and cells.

An analytical reference standard categorized as a phytocannabinoid; a constituent of hashish that has also been isolated from C. sativa plants; regulated as a Schedule I compound in the United States; intended for research and forensic applications

A trichothecene mycotoxin that can infect grain crops causing alimentary toxic aleukia in humans and animals; inhibits protein synthesis, disrupts membrane phospholipid metabolism, increases lipid peroxides in the liver, and is highly cytotoxic to macrophages (IC50 = 19.47 nM), altering the…

A natural and potent inhibitor of NEP and NEP2, with Ki values of 2 nM for both enzymes; also a weak inhibitor of the related zinc metalloprotease ECE (Ki = 3.5 µM); has little or no effect on a variety of other proteases.

Eltrombopag is a small molecule, nonpeptide agonist of the thrombopoietin receptor. It selectively binds to the transmembrane domain of the receptor and stimulates megakaryocytopoiesis in primary human bone marrow cells through the JAK/STAT signaling pathway. Eltrombopag is reported to increase…

An analog of (−)-blebbistatin that is stable to prolonged irradiation at 450-490 nm and has been successfully used in fluorescent live cell imaging.

PGF2α 1,15-lactone is a lipid-soluble internal ester of PGF2α. Hydrolysis of the lactone readily produces free PGF2α in plasma. In rhesus monkeys, a total dose of 15 mg of PGF2α 1,15-lactone terminates early pregnancy, whereas PGF2α is ineffective.

Specifically inhibits the histone acetyltransferase Gcn5 (IC₅₀ = 100 μM) and can inhibit pre-RNA splicing with an IC₅₀ value of 0.5 mM.

A certified reference material that is structurally similar to known phytocannabinoids; has been found as a byproduct in Cannabis processing; regulated as a Schedule I compound in the United States; provided as a DEA exempt preparation