Biologically Active Small Molecules, 25 g
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Trimethoprim
Cayman ChemicalA synthetic antibiotic that inhibits dihydrofolate reductase (DHFR), with prominent selectivity for bacterial DHFR over mammalian DHFR (IC50s = 5 and 30,000 nM, respectively); commonly used in combination with sulfamethoxazole to minimize acquired resistance.
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Palmitic Acid
Cayman ChemicalA common 16-carbon saturated fatty acid that represents 10-20% of the normal human dietary fat intake.
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Cetirizine (hydrochloride)
Cayman ChemicalA second generation antihistamine that acts as a selective histamine H1 receptor antagonist (pKi = 8).
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2-Thenoyltrifluoroacetone
Cayman ChemicalAn inhibitor of respiration in animals and bacteria; binds at the quinone reduction site of succinate:ubiquinone oxidoreductase (SQR; Complex II) in animals, preventing ubiquinone from binding; inhibits NADH fumarate reductase in bacteria; inhibits photosystem II in plants.
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Propylthiouracil
Cayman ChemicalA derivative of thiouracil which has long been used to correct hyperthyroidism; also used as a genetic marker for taste, since only some people detect it as a bitter taste.
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ß-D-Glucose
Cayman ChemicalOne of two cyclic forms of D-glucose that is the monomer unit in cellulose.
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4-Aminobenzoic Acid (sodium salt)
Cayman ChemicalAn intermediate in the synthesis of tetrahydrofolic acid in many non-mammalian organisms, including bacteria and fungi; metabolized by a variety of enzymes in mammals, including N-acetyltransferases; may also be utilized by bacteria or fungi that are living in mammalian organisms.
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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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Icariin
Cayman ChemicalAn inhibitor of human recombinant PDE5 (IC50 = 5.9 µM); used to treat erectile dysfunction and has been shown to have anti-cancer and antioxidant activity; induces differentiation of cardiomyocytes and increases the proliferation and differentiation of cultured human osteoblasts.
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Bromhexine Hydrochloride
LKT LabsBromhexine is a synthetic derivative of vasicine that exhibits mucolytic and antioxidative activities. Bromhexine increases production of serous mucus, decreases mucus viscosity, and helps cilia transport mucus out of the lungs. Bromhexine is clinically used to treat respiratory disorders…
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trans-2-Decenoic Acid
Cayman ChemicalAn unsaturated fatty acid found in royal jelly produced from the hypopharyngeal and mandibular gland secretions of honeybees; isolated in conjunction with 10-HDA (Item No. 10976) and both demonstrate weak estrogenic activity, inhibiting binding of 17β-estradiol (Item No. ISO60155) to estrogen…
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Aminoguanidine (hydrochloride)
Cayman ChemicalAminoguanidine is equipotent to L-NMMA and L-NNA as an inhibitor of iNOS. The IC50 values for inhibition of mouse iNOS and rat nNOS are 5.4 and 160 µM, respectively. Aminoguanidine also inhibits induction of iNOS protein expression by endotoxin in rat macrophages.
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Cellulose triacetate
Cayman ChemicalA polymer film used to manufacture high-performance membranes for dialysis, reverse osmosis, ion sensing, and separation; used in the production of photographic film and polarized film for liquid crystal displays.
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Tetrazolium (chloride)
Cayman ChemicalA redox indicator used to detect cellular respiration; primarily reduced by Complex I in mitochondria and, under anaerobic conditions, is completely reduced to an insoluble red 1,3,5-triphenylformazan.
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Fenbendazole
Cayman ChemicalA broad-spectrum benzimidazole anthelmintic that is active against gastrointestinal parasites (IC50 = 0.30 µM against Giardia in vitro) by targeting tubulin; activates HIF-1α, abrogating oxidative stress-induced death in primary neurons in vitro.
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Bromelain
Cayman ChemicalA mixture of proteolytic enzymes derived from the stem and fruit of pineapple plants; studied for a number of potential beneficial effects including anti-inflammatory, anti-thrombotic, fibrinolytic, and anti-cancer functions.
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Indole-3-Acetic Acid (sodium salt)
Cayman ChemicalA naturally occurring plant hormone of the auxin class that stimulates cell elongation and division, promoting plant growth and development.
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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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Protocatechuic Acid
Cayman ChemicalA dihydroxybenzoic acid phenolic compound that demonstrates free radical scavenging capability (IC50 = 16.3 μM) in a DPPH radical scavenging activity assay; possesses anti-inflammatory, antihyperglycemic, neuroprotective, and anticancer activities.
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Phenylmethylsulfonyl fluoride
Cayman ChemicalA nonspecific, irreversible inhibitor of serine proteases and other enzymes, including acetylcholinesterase, palmityl coenzyme A deacylase, arylsulfatase A, chymotrypsin, and trypsin; also known to block anandamide metabolism, which produces CB effects in mice, including antinociception,…
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Acridine Orange
Cayman ChemicalA cell-permeable, fluorescent dye that accumulates in acidic organelles in a pH-dependent manner and is used for autophagy detection and cell cycle determination; emits green fluorescence (ex. max: 502 nm; ,em. max: 525 nm) at neutral pH or when bound to dsDNA and red fluorescence (ex. max: 460 nm;…
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Ponceau S (sodium salt)
Cayman ChemicalA stain that permits the rapid, reversible detection of proteins immobilized on various matrices; used to locate proteins or evaluate efficiency of transfer, or an alternative to actin probing as a loading control; also used as a fiducial marker in mass spectrometric imaging.
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Rotenone
Cayman ChemicalA classical inhibitor of complex I of the mitochondrial electron transport chain, inhibiting NADH/DB oxidoreductase and NADH oxidase with IC50 values of 28.8 and 5.1 nM, respectively; used in animal models of Parkinson’s disease.
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Glycyrrhizic Acid (ammonium salt)
Cayman ChemicalA natural agonist of the human sweet taste receptor and used as a flavorant; has diverse cellular effects at low doses, including antioxidant, anti-inflammatory, antimicrobial, and antiviral actions.
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Chrysin
Cayman ChemicalA natural flavonoid with antioxidant, anti-inflammatory, and anticancer properties; inhibits HIF-1α expression in cancer cells; decreases pro-inflammatory gene expression and oxidative stress in ischemia/reperfusion injury.
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Ciprofloxacin (hydrochloride)
Cayman ChemicalA fluoroquinolone antibiotic widely used as an antimicrobial and immunomodulatory agent; functions by inhibiting DNA A fluoroquinolone antibiotic widely used as an antimicrobial and immunomodulatory agent; functions by inhibiting DNA gyrase (a type II topoisomerase) and topoisomerase IV, the…
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Luminol
Cayman ChemicalA cyclic diacyl hydrazide that exhibits chemiluminescence upon oxidation; HRP combined with H2O2 causes luminescent peroxidation of luminol; can also be oxidized, and chemiluminesce, by compounds containing iron, copper, gold, and cyanide.
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Chlorhexidine (hydrochloride)
Cayman ChemicalAn an antimicrobial agent that is often used in antiseptics and dental products such as toothpaste and mouthwash; inhibits MMP-2, -8, and -9.
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Brilliant Blue G
Cayman ChemicalA dye which stains proteins in gels with ease and sensitivity; used in the Bradford to quantify the amount of protein in a solution; selectively inhibits P2X7 (IC50s = 10.1 nM and 265 nM for rat and human P2X7, respectively) and reduces neurological injury secondary to traumatic brain…
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Adenosine 5'-triphosphate (sodium salt)
Cayman ChemicalA central component of energy storage and metabolism in vivo, providing the metabolic energy to drive metabolic pumps and serving as a coenzyme in a wide array of enzymatic reactions; acts a substrate for kinases involved in cell signaling and of adenylate cyclases that produce the second messenger cAMP.
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Aceclofenac
LKT LabsAceclofenac is a diclofenac analog that exhibits anti-inflammatory and analgesic activities. Aceclofenac is a non-steroidal anti-inflammatory drug (NSAID) that somewhat selectively inhibits COX-2; it is clinically used to treat rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis.…