2-NBDG is a fluorescent indicator for direct glucose uptake measurement and also is an indicator of cell viability.

2-Phenylethanol (Phenethyl alcohol), extracted from rose, carnation, hyacinth, Aleppo pine, orange blossom and other organisms, is a colourless liquid that is slightly soluble in water. It has a pleasant floral odor and also an autoantibiotic produced by

2-PMPA is a potent and selective inhibitor of glutamate carboxypeptidase II (GCPII) with an IC50 of 300 pM.

3-(4-Pyridyl)indole is a ROCK-I inhibitor (IC50 = 25 µM) that promotes cell spreading, inhibits membrane blebbing, and induces dissolution of actin stress fibers in a wound healing assay

3,4-Dicaffeoylquinic acid (3,4-DCQA) is a polyphenol with diverse biological activities.

3,4-Dimethoxycinnamic acid (O-Methylferulic acid) is a monomer extracted and purified from Securidaca inappendiculata Hassk. 3,4-Dimethoxycinnamic acid exerts anti-apoptotic effects on L-02 cells via the ROS-mediated signaling pathway. Anti-apoptotic effe

3,5-Dicaffeoylquinic acid (3,5-DCQA) is a natural phenolic compound that has been found in L. japonica, I. kaushue, and other plants.It has antioxidant, anti-inflammatory, and antiviral biological activities.

3BDO is a new mTOR activator which can also inhibit autophagy.

3-Cyano-7-ethoxycoumarin is a fluorescent P450 substrate (excitation/emission wavelengths = 408/455 nm); metabolized to cyano-hydroxycoumarin.

3-deazaneplanocin A (DZNeP), an analog of adenosine, is a competitive inhibitor of S-adenosylhomocysteine hydrolase with Ki of 50 pM.

3-methyl toxoflavin. Toxoflavin acts as a pH indicator, changing between yellow and colorless at pH 10.5.

3-Methyladenine (3-MA) is a selective PI3K inhibitor for Vps34 and PI3Kγ with IC50 of 25 μM and 60 μM.

3PO is a PFKFB3 (6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase) inhibitor; reduces glycolytic flux and suppresses glucose uptake.

3-pyridine toxoflavin is an impurity of toxoflavin.

3-TYP is a selective SIRT3 inhibitor.

4-Butylresorcinol is a potent inhibitor of tyrosinase and is used in cosmetics as a depigmenting agent.

4-CPPC is the first reversible and selective inhibitor of pro-inflammatory protein macrophage migration inhibitory factor-2 (MIF-2) with Ki of 33 uM, 13-fold selectivity for human MIF-2 versus human MIF-1.

4E1RCat is an inhibitor of protein translation that has been shown to prevent eIF4E:eIF4G and eIF4E:4E-BP1 interaction.

4E2RCat is an inhibitor of eIF4E-eIF4G interaction with an IC50 of 13.5 μM.

4EGI-1 is a competitive eIF4E/eIF4G interaction inhibitor by binding to eIF4E with KD of 25 μM.

4-oxo-4-HPR is a recently identified fenretinide metabolite, induces marked G2-M cell cycle arrest and apoptosis in fenretinide-sensitive and fenretinide-resistant cell lines.

4-P-PDOT is a slelctive MT2 melatonin receptor antagonist 300 fold selective for MT2 (MEL-1B-R) vs MT1 (MEL-1A-R) melatonin receptor subtype.