Biologically Active Small Molecules, 1 g
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Nisin A
Cayman ChemicalA bacteriocin, a natural polycyclic antibacterial peptide, also called a lantibiotic; particularly effective against Gram-positive bacteria and commonly used as a food preservative.
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ß-Estradiol
MP Biomedicalsβ-estradiol is a potent mammalian estrogenic hormone produced by the ovary. Triggers the production of gonadotropins leading to ovulation. β-Estradiol is used to study cell differentiation and transformations (tumorigenicity). The pharmacology and HPLC determination of β-Estradiol…
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Pyronin Y
Cayman ChemicalA fluorescent probe which stains dsRNA in living or fixed cells as well as in tissues; amenable to FC; maximum excitation is at 540-550 nm, with maximum emission at 560-580 nm.
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3,4,6-Tri-O-benzyl-ß-D-Mannopyranose 1,2-(methyl orthoacetate)
Cayman ChemicalA synthetic intermediate used in glycosylation reactions.
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4-Methylumbelliferyl-ß-D-Glucuronide (hydrate)
Cayman ChemicalA 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.
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a-Naphthoflavone
Cayman ChemicalA flavone that modulates xenobiotic metabolism; antagonizes AhR at nanomolar concentrations, although it agonizes AhR at higher concentrations (10 µM); inhibits CYP19, CYP1A1, CYP1A2, and CYP1B1 (IC50s = 500, 60, 6, and 5 nM, respectively), whereas it activates CYP3A4 (Kd = 7.4 µM).
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Melatonin
MP BiomedicalsMelatonin is a hormone of the pineal gland. Hormone; mediates photoperiodicity in mammals; inhibits cerebellar nitric oxide synthetase; peroxynitrite scavenger. Melatonin has complex effects on apoptotic pathways, inhibiting apoptosis in immune cells and neurons but enhancing apoptotic cell…
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(±)-Jasmonic Acid methyl ester
Cayman ChemicalA mixture of trans (3R/7R and 3S/7S) isomers; induces the synthesis of proteinase inhibitors in plant leaves; in cancer cells, suppresses proliferation and induces apoptosis; inhibits hexokinase that is bound to mitochondria; methyl jasmonate derivatives also have potential as anti-inflammatory agents.
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1,6-Anhydro-ß-D-mannopyranose
Cayman ChemicalA major organic tracer generated by burned cellulose; used to evaluate, in atmospheric samples, the burning of wood.
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1-thio-ß-D-Glucose (sodium salt)
Cayman ChemicalAn 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.
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Kynurenic Acid
Cayman ChemicalA metabolite of tryptophan that has pronounced effects on neuronal signaling; broadly antagonizes ionotopic glutamate receptors; has potent effects at glutamate receptor subunit ζ-1 (Ki = 5.4 µM), GPR35 (EC50 = 39 µM), aryl hydrocarbon receptor (EC50 = 300…
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N-Octyl-ß-D-thioglucopyranoside
Cayman ChemicalA low molecular weight nonionic detergent that is commonly used for cell lysis and non-denaturing protein solubilization.
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2'-Deoxyadenosine-5'-monophosphate
Cayman ChemicalA derivative of AMP that has been used in the synthesis of novel photoaffinity labels for incorporation into DNA and to study adenosine-based interactions during DNA synthesis and DNA damage.
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2-(hydroxymethyl)-Pyrimidine
Cayman Chemical2-(hydroxymethyl)-Pyrimidine is a synthetic intermediate useful for pharmaceutical synthesis.
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Nicotine Bitartrate Dihydrate
MP BiomedicalsNicotinic acetylcholine receptor agonist isolated from Nicotiana tabacum and Nicotiana rustica. Nicotine Tartrate finds an application as the nicotine active in a wide range of smoking cessation products such as nicotine lozenges and nicotine sub-lingual tablets. (-)-Nicotine ditartrate is a…
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7,8,9,10-Tetrahydrobenzo[a]pyren-7-ol
Cayman ChemicalA benzopyrene derivative that is activated by hepatic cytosol into electrophilic sulfuric acid esters, which are capable of forming covalent DNA adducts and inducing mutations.
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Retinoic Acid
Cayman ChemicalA metabolite of vitamin A that acts as a ligand for both the RAR and the RXR.
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Vildagliptin
Cayman ChemicalAn 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…
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5-Fluorocytosine
Cayman ChemicalAn 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.
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N-acetyl-D-Glucosamine
Cayman ChemicalA monosaccharide derivative of glucose that is released by the action of O-GlcNAcase, in mammalian systems, from proteins that have been post-translationally modified with O-GlcNAc; also is the monomeric unit of chitin, which is found in fungi and many inverebrates, including crustaceans, insects,…
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n-Dodecyl-ß-D-maltoside
Cayman ChemicalA non-ionic detergent commonly used to solubilize membrane-associated proteins; helps retain the native conformation and activity of membrane-associated proteins, and facilitates the reforming of these proteins after denaturation.
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L-Citrulline
LKT LabsL-Citrulline is a by product of NO formation from metabolism of L-arginine that exhibits tocolytic and antioxidative activities. L-Citrulline was originally found in watermelon. In isolated rat uteri, L-citrulline decreases uterine contractile force through stimulation of the NO-cGMP relaxant…
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Phosphoenolpyruvic Acid (potassium salt)
Cayman ChemicalAn enzyme substrate for glycolysis and gluconeogenesis pathways; metabolized to pyruvate by pyruvate kinase during glycolysis; formed from phosphoenolpyruvate carboxykinase-catalyzed oxaloacetate decarboxylation during gluconeogenesis.
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Taurodeoxycholic Acid (sodium salt)
Cayman ChemicalA bile salt formed in the liver by conjugation of deoxycholate with taurine; used to solubilize lipids and membrane-bound proteins and also as a vehicle to assist with vaccine delivery.
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Lenalidomide
Cayman ChemicalAn analog of thalidomide that, at 10 μM, alters gene expression and cell viability in a range of cancer cell lines; induces proliferation and enhances the functional capacity of T-lymphocytes, amplifying co-stimulatory signaling pathways.
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Hygromycin B
Cayman ChemicalAn 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.
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6-Thioguanine
Cayman ChemicalA 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.
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L-Leucine 4-methoxy-ß-naphthylamide (hydrochloride)
Cayman ChemicalA cell-permeable substrate for aminopeptidase M and leucine aminopeptidase that was developed for intracellular analysis of protease activities.
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Nitro Blue Tetrazolium (chloride)
Cayman ChemicalA 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.
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Bilirubin
Cayman ChemicalA yellow breakdown product of heme catabolism, formed when heme is cleaved by heme oxygenase; has key roles as a free radical scavenger with antioxidant and anti-inflammatory actions.
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