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Waltonitone is a ursane-type pentacyclic triterpene isolated from Gentian waltonii Burkill. Waltonitone significantly inhibits hepatocellular carcinoma cells growth and induces apoptosis in vitro and in vivo.

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Penicillinase is a beta-lactamase. beta-lactamase enzymes inactivate beta-lactam antibiotics by hydrolyzing the peptide bond of the characteristic four-membered beta-lactam ring rendering the antibiotic ineffective.

Heteroclitin D is a lignin from Kadsura medicinal plants with anti-liqid peroxidation. Heteroclitin D inhibits L-type calcium channels.

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Lonicerin is an anti-algE (alginate secretion protein) flavonoid with inhibitory activity for P. aeruginosa. Lonicerin prevents inflammation and apoptosis in LPS-induced acute lung injury.

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Dehydrodicentrine is an alkaloid inhibitor of acetylcholinesterase (AChE) (IC50=2.98 μM). Dehydrodicentrine.

Foresaconitine(Vilmorrianine C) is a norditerpenoid alkaloid isolated from the processed tubers of Aconitum carmichaeli.

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cis-Ligupurpuroside B is a phenylethanoid glycoside that can be found L. purpurascens.

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Ligupurpuroside D is a phenylethanoid glycoside that can be isolated from Ligustrum purpurascens. Ligupurpuroside D has antioxidant activity.

Ligupurpuroside C is a natural phenylethanoid glycoside isolated from Kudingcha.

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10-Methoxycamptothecin is a natural bioactive derivative of camptothecin (CPT) isolated from Camptotheca acuminata, and has been confirmed to possess high anti-cancer properties. 10-Methoxycamptothecin has higher cytotoxicity than 10-hydroxycamptothecin by testing antitumor activity against 2774 cell lines.

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Ligupurpuroside A is an active product that can be extracted from Ligustrum robustum. Ligupurpuroside A acts as a natural inhibitor of lipase in a competitive manner.

Ligupurpuroside B is a glycoside isolated from Ligustrum robustum, with antioxidant activity.

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Dehydrotrametenolic acid is a sterol isolated from the sclerotium of Poria cocos. Dehydrotrametenolic acid induces apoptosis through caspase-3 pathway. Dehydrotrametenolic acid has anti-tumor activity, anti-inflammatory, anti-diabetic effects.

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1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium (MQAE) is a fluorescent indicator dye that can be used to measure intracellular and extracellular chloride concentrations (absorption/emission max: 350/460 nm).

1,10-Phenanthroline is a classic chelating bidentate ligand for transition metal ions that has played an important role in the development of coordination chemistry. It is an inhibitor of metallopeptidases.

1,2,3,4,5,6-Hexabromocyclohexane is a potent inhibitor of JAK2 tyrosine kinase autophosphorylation with IC50 value to be estimated in low micromolar range.

1,2-Dipalmitoyl-sn-glycerol 3-phosphate is a phosphatidic acid.

1,3-Diaminopropane, a three carbon diamine, is an ornithine decarboxylase inhibitor.

10058-F4 is a c-Myc inhibitor that specificallly inhibits the c-Myc-Max interaction and prevents transactivation of c-Myc target gene expression.

10074-G5 is a c-Myc Max interaction inhibitor.

103D5R is a small-molecule inhibitor of HIF-1α that displays an EC50 of 35 uM against hypoxia-induced alkaline phosphatase enzymatic reporter activity.

10-Desacetyl Paclitaxel is a semi-synthetic precursor of Paclitaxel that is used for biochemical research purposes.

10-Hydroxydecanoic acid (NSC 15139) is a saturated fatty acid of 10-hydroxy-trans-2-decenoic acid from royal jelly, with anti-inflammatory activity.

10-NCP (10-DEBC) is a potent neuronal autophagy inducer and increases TDP43 clearance, a reversible and specific inhibitor of Akt activity in vitro (complete inhibition at < 5 uM).

11-keto-β-Boswellic acid is a naturally occurring pentacyclic triterpene isolated from the gum resin exudate from the stem of the tree B. serrata (frankincense).

13-Acetyl-9-dihydrobaccatin-III is an apoptosis inducer.

1400W dihydrochloride is a slow, tight binding, potent and highly selective inhibitor of inducible nitric oxide synthase (Kd = 7 nM).

17-AAG(NSC 330507; CP 127374) is a potent HSP90 inhibitor with IC50 of 5 nM, having a 100-fold higher binding affinity for HSP90 derived from tumour cells than HSP90 from normal cells.

1835F03 is a small molecule that blocks wall teichoic acid biosynthesis in Staphylococcus aureus, inhibits the growth of a panel of S aureus strains (MIC=1-3 ug/mL), including clinical MRSA isolates..

1A-116 is a specific Rac1 inhibitor.

1-Azakenpaullone is a potent and ATP-competitive GSK-3β (glycogen synthase kinase-3β) inhibitor (IC₅₀ = 18 nM).

1E7-03 is a small molecule targeting the RVxF interacting site on PP1, inhibits HIV-1, Ebolavirus (EBOV), and Venezuelan equine encephalitis virus (VEEV, EC50=0.6 uM).

1-EBIO is an Epithelial KCa channel activator. Promotes ESC differentiation into cardiomyocytes.

1F-Fructofuranosylnystose can be used in the synthesis of Fructooligosaccharides (FOSs). Fructooligosaccharides exhibit lots of beneficial effects on our health and have been used as food ingredients.

1-Kestose is a fructo-oligosaccharide (FOS) with prebiotic properties, and is a polymer of d-fructose joined by β(2→1) linkages and terminated with a d-glucose molecule linked to fructose by an α(1→2) bond as in sucrose.

1-Methoxy PMS is an electron mediator for NAD(P)H-tetrazolium salt.

1-methyl-7-nitroisatoic anhydride is a reagent that detects local nucleotide flexibility, for probing 2'-hydroxyl reactivity.

1-Naphthyl PP1(1-NA-PP 1) is a selective inhibitor of src family kinases v-Src and c-Fyn as well as the tyrosine kinase c-Abl (IC50 values are 1.0, 0.6, 0.6, 18 and 22 μM for v-Src, c-Fyn, c-Abl, CDK2 and CAMK II respectively).

1-Naphthyl PP1(1-NA-PP1) is a selective inhibitor of src family kinases v-Src and c-Fyn as well as the tyrosine kinase c-Abl.

1-NM-PP1 is a cell permeable inhibitor of kinases that have been mutated, by a single base substitution, to become ‘analog sensitive’ (as), as compared to the wild-type kinase.

1α,25-Dihydroxyvitamin D2 is an active metabolite of vitamin D. It is known that 1α,25-Dihydroxyvitamin D2 can be detected in human serum using high-performance liquid chromatography and ultraviolet detection. Vitamin D2, known as ergocalciferol, is a fat

1α-Hydroxyvitamin D3 is a form of vitamin D that helps the body absorb calcium from food.

1-β-D-Arabinofuranosylcytosine, a cytosine analogue, inhibits DNA polymerases α, δ, and ε, and RNA polymerases resulting in suppression of DNA synthesis and repair. 1-β-D-Arabinofuranosylcytosine acts as an antimetabolic agent which is responsible for dam

2-(Pyridyldithio)ethylamine hydrochloride is a novel disulfideintercalating cross-linking reagent.

2,2'-Cyclouridine is a research tool for antiviral and anticancer studies.

2,4-Pyrimidinediamine with linker is a patent compound in WO2013055780A1, Page 71; multikinase inhibitor and has a -NH2 terminal linker for further synthesis.

20(S)-Hydroxycholesterol is an allosteric activator of the Hedgehog signaling pathway Smoothened (Smo) oncoprotein, binds at a site distinct from the canonical cyclopamine binding site.

20-Deoxyingenol is a natural compound.

20-O-Acetylingenol-3-angelate is a diterpene ester that has been found in E. peplus and a derivative of ingenol-3-angelate

22-Azacholesterol is the first small molecule inhibitor that inhibits Hedgehog (Hh) signaling by binding the oxysterol-binding site of Smo, inhibits Sonic Hedgehog (Shh) signaling with IC50 of 3 uM in NIH-3T3 cells..

MDK-7933, also known as HDAC8-IN-1, is a HDAC8 inhibitor with an IC50 of 27.2 nM in cancer cell lines. MDK-7933 shows antiproliferative effects toward several human lung cancer cell lines (A549, H1299, and CL1-5). MDK-7933 was first reported in ChemMedChem. 2012 Oct;7(10):1815-24. MDK-7933 has CAS#1417997-93-3.

22-Oxacalcitriol is a Vitamin D3 analog which is Non-calcemic as well as a VDR ligand. 22-Oxacalcitriol has been shown to decrease parathyroid hormone (PTH) mRNA expression in vitro. Additionally has been noted to exhibit similar effects to calcitriol in

2'3'-cGAMP has been used to identify small compounds capable of binding human stimulator of interferon genes (STING). It is also used to study type I interferon response to cytosolic DNA.

23-hydroxy butulinic acid (23-HBA) is a potent angiogenesis inhibitor.

25-Hydroxycholesterol is a metabolite of cholesterol that is produced and secreted by macrophages in response to Toll-like receptor (TLR) activation. 25-hydroxycholesterol is a potent (EC50≈65 nM) and selective suppressor of IgA production by B cells.

25-Hydroxyvitamin D2 is used in serum to measure the concentration of vitamin D produced by the skin. It is known that 25-Hydroxyvitamin D2 can be detected in human serum using high-performance liquid chromatography and ultraviolet detection. Vitamin D2,

2-Aminoethanethiol (cysteamine) is a radiation-protective agent that oxidizes in air to form cystamine.

2BAct (eIF2B activator 2BAct) is a novel, highly selective, CNS-permeable small molecule eIF2B activator with EC50 of 33 nM in cell-based reporter assays.

2-cyano-Pyrimidine is a cathepsin K inhibitor with an IC50 of 170 nM.

2'-Deoxyadenosine monohydrate is a deoxyribonucleoside. A building block in the chemical synthesis.

2-Furoic acid (Furan-2-carboxylic acid) is an organic compound produced through furfural oxidation. 2-Furoic acid exhibits hypolipidemic effet, lowers both serum cholesterol and serum triglyceride levels in rats.

2'-Hydroxy-4'-methylacetophenone, a phenolic compound isolated from Angelicae koreana roots possesses acaricidal property. It could be used in the preparation of 4’-methyl-2’-[(p-tolylsulfonyl) oxy] acetophenone.

2-mercaptoethane sulfonate (Mesna), is a synthetic small molecule, widely used as a systemic protective agent against chemotherapy toxicity, but is primarily used to reduce hemorrhagic cystitis induced by cyclophosphamide.

2-methoxyestradiol (2ME2; NSC-659853) is a natural metabolite of estrogen that is known to inhibit HIF-1 alpha with an IC50 of 0.71 ± 0.11 μM for the inhibition of BPAEC migration.

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

2''-O-Rhamnosylicariside II is a flavonoid glycoside compound and might be beneficial for improving postmenopausal osteoporosis.

2-Phenyl-2-(1-piperidinyl)propane is an analog of phencyclidine that acts as a mechanism-based inactivator of human cytochrome P450 (CYP) 2B6 (Ki = 5.6 µM; IC50 = 5.1 µM).

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

3,3'-Diindolylmethane(DIM) is a major digestive product of indole-3-carbinol, a potential anticancer component of cruciferous vegetables.

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.

3-Acetylaconitine, aconitine, and deoxyaconitine are main toxic components of the roots of Aconitum pendulum.

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

3b-Hydroxy-5-cholenoic acid is a monohydroxy bile acid of endogenous origin and could be found in children with the syndrome of hepatic ductular hypoplasia.

3-Bromo-7-Nitroindazole is a more potent inhibitor of nNOS than 7-nitroindazole in vitro, is also potent against iNOS, inhibits rat nNOS, bovine eNOS, and rat iNOS with IC50 of 0.17, 0.86, and 0.29 uM..

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

3-Cyanochromone is a potent gram-negative bacteria WcbL protein inhibitor with IC50 of 28 uM in a competitive enzyme-inhibition model, shows inhibition constants Ki of 10 uM..

3-Deazaadenosine (hydrochloride) is an inhibitor of S-adenosylhomocysteine hydrolase, with a Ki of 3.9 µM; 3-Deazaadenosine has anti-inflammatory, anti-proliferative and anti-HIV activity.

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

3-Ethoxy-5,6-dibromosalicylaldehyde is a potent and selective inhibitor of IRE1 endoribonuclease with IC50 of 0.12 uM.

3-Indolebutyric acid (IBA)

3-Methoxyphenylacetic acid is a monocarboxylic acid.

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

3-Methyl-2-oxovaleric acid is a neurotoxin, an acidogen, and a metabotoxin, and also an abnormal metabolite that arises from the incomplete breakdown of branched-chain amino acids.

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-BBPB maleate is a highly potent agonist of σ1 receptor with Ki of 0.8 nM.

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

4-Chloro-α-cyanocinnamic acid (α-CHCA) is a classic monocarboxylate transporters (MCT) inhibitor. α-cyano-4-hydroxycinnamate (CHC) has a 10-fold selectivity for MCT1 compared to other MCTs.

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-Hydroxyquinazoline is a PARP inhibitor with a high potency for PARP-1 and no effects on enzymes other than PARP.

4'-Methylchrysoeriol is a potent inhibitor of Cytochrome P450 enzymes, with an IC50 of 19 nM for human P450 1B1-dependent EROD.

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.

4P-PDOT, also known as 4-phenyl-2- propionamidotetralin, is a MT2-receptor-specific antagonist. MT2 melatonin receptor may be a novel target for analgesic drug development.

4SC-202 is a selective class I HDAC inhibitor with IC50 of 1.20 μM, 1.12 μM, and 0.57 μM for HDAC1, HDAC2, and HDAC3, respectively. Also displays inhibitory activity against Lysine specific demethylase 1 (LSD1). Phase 1.

4SC-202 is an orally bioavailable benzamide and inhibitor of human class I histone deacetylases (HDACs) isoenzymes 1, 2 and 3, with potential antineoplastic activity. HDAC inhibitor 4SC-202 selectively binds to and inhibits class I HDACs leading to an acc