Biologically Active Small Molecules, 1 g, NEW! Life Science
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Ciclopirox Olamine
LKT LabsCiclopirox 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,…
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Ceftazidime (hydrate)
Cayman ChemicalA broad-spectrum β-lactam antibiotic used for parenteral administration.
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Polymyxin B (sulfate)
Cayman ChemicalA mixture of at least four closely related components, polymyxin B1 to B4, with polymyxin B1 and B2 being the two major components; demonstrates rapid in vitro bactericidal activity against major multidrug-resistant Gram-negative bacteria, including P. aeruginosa, A. baumannii, and K. pneumonia.
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Concanavalin A from Canavalia ensiformis seeds (jack beans)
MP BiomedicalsPure Canavalia ensiformis lectin (Con A) from Jackbean. Isolated by affinity chromatography on cross-linked dextran. Con A exists as a dimer below pH 5.0 and and at pH >7 it exists as a tetramer. Con-A is not a glycoprotein. The monomeric molecular weight of Con-A is 25,500. Con-A does not…
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all-trans Retinal
Cayman ChemicalA 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…
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Biotin-NHS
Cayman ChemicalA compound used to attach biotin to primary amines, such as lysines on the surface of proteins, under alkaline conditions (pH~8-9).
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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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Trolox
Cayman ChemicalA cell-permeable, water-soluble derivative of vitamin E with potent antioxidant properties; commonly used as a standard or positive control in antioxidant assays.
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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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Xylazine
Cayman ChemicalAn agonist of α2 adrenergic receptors (Ki = 194 nM); used for sedation, anesthesia, and analgesia in non-human mammals.
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3-Pyrimidin-2-yl-Propionic Acid
Cayman Chemical3-Pyrimidin-2-yl-Propionic Acid is a synthetic intermediate useful for pharmaceutical synthesis.
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Reserpine
Cayman ChemicalAn alkaloid that irreversibly inhibits both human VMAT1 and VMAT2 (Ki = 34 and 12 nM, respectively); used to experimentally deplete monoamines in animals; also inhibits P-glycoprotein (IC50 = 0.5 µM).
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Fluconazole
Cayman ChemicalA triazole antifungal agent that is effective against most Candida strains.
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Norethindrone
MP BiomedicalsNorethindrone is a synthetic progestin that possesses antiestrogenic effects, where in low doses it is progestational and in high doses it is antiestrogenic. It also causes a time-dependent loss of cytochrome P-450 when incubated in vitro with rat liver microsomal fractions and NADPH-generating…
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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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(+)-Catechin (hydrate)
Cayman ChemicalCatechin is a polyphenolic flavonoid which has been isolated from a variety of natural sources including tea leaves, grape seeds, and the wood and bark of trees such as acacia and mahogany. Catechin is a more potent antioxidant than ascorbate or α-tocopherol in certain in vitro lipid…
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Amphotericin B
Cayman ChemicalA polyene macrolide used in the treatment of infections caused by C. albicans, A. fumigatus, and parasitic L. protozoans, as well as in tissue culture to prevent fungi from contaminating cell cultures; binds with ergosterol in fungal cell membranes, altering membrane permeability and ultimately…
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X-Gal
Cayman ChemicalA cell-permeable, chromogenic substrate for β-galactosidase used in histochemical and molecular biology applications, including detection of lacZ activity in cells and tissues.
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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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Tamoxifen (citrate)
Cayman ChemicalA selective estrogen receptor (ER) modulator used as adjuvant therapy for estrogen-dependent breast cancer; increases ER activity in bone, uterus, and the cardiovasculature system as it decreases ER activity in breast tissues; metabolized by CYP450 enzymes to active metabolites; alters cholesterol…
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2-cyano-Pyrimidine
Cayman ChemicalCathepsin 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.…
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Ketoconazole
Cayman ChemicalAn orally active broad spectrum antifungal agent that blocks ergosterol biosynthesis by inhibiting the fungal CYP isoform CYP51; potently inhibits the mammalian analog CYP51A1 (IC50 = 63.5 nM), as well as a variety of other CYP isoforms.
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SAHA
Cayman ChemicalAn HDAC inhibitor of class I and class II HDACs at around 50 nM; arrests cell growth in a wide variety of transformed cells in culture at 2.5-5.0 µM.
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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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Doxepin (hydrochloride)
Cayman ChemicalA tricyclic antidepressant that inhibits the reuptake of serotonin and norepinephrine and acts as an antagonist at histamine, serotonin, adrenergic, and muscarinic receptors with Ki values in the nanomolar range.
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Tianeptine (sodium salt)
Cayman ChemicalAn atypical antidepressant with diverse actions, most notably on the glutamatergic system; attenuates glutamate release and modulates the function of AMPAR; acts as an agonist of the µ-opioid receptor (EC50s = 194 and 641 nM for human and mouse receptors, respectively).
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ß-D-Glucosamine Pentaacetate
Cayman ChemicalAn N-acetylglucosamine derivative that has been shown to promote hyaluronic acid production.
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2-phenyl-3-methyl-Quinoxaline
Cayman ChemicalA synthetic intermediate useful for pharmaceutical synthesis.
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IPTG (dioxane free)
Cayman ChemicalInduces protein expression where the gene is under the control of the lac operator by triggering transcription of the lac operon in cloning procedures.
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Griseofulvin
Cayman ChemicalA natural bacterial product used, in certain formulations, as an oral antibiotic for fungal infections of the skin; alters microtubule dynamics, resulting in metaphase arrest.
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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…