Biologically Active Small Molecules
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Docosahexaenoic Acid-d5
Cayman ChemicalAn internal standard for the quantification of DHA by GC- or LC-MS.
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SC-51322
Cayman ChemicalA selective EP1 antagonist that inhibits PGE2 signaling in a guinea pig ileum muscle strip assay (pA2 = 8.1); demonstrates analgesic activity in a mouse writhing assay (ED50 = 0.9 mg/kg); potentiates the vasorelaxation of human pulmonary vein induced by PGE2 (EC50 = 7.75 µM).
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Amylose
Cayman ChemicalA polysaccharide made of α-D-glucose units that constitutes about 20% of starch; acts as an indicator, turning blue in the presence of iodine, and has also been coupled to magnetic beads for the isolation and purification of maltose-binding protein fusion proteins.
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Zearalenone
Cayman ChemicalA mycotoxin produced in food and animal feeds; activates estrogen receptors, alters hormone levels, and hasten pre-pubertal development; can cause uterine, rectal, and vaginal prolapse, abortion, and infertility in older animals.
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SB-525334
Cayman ChemicalA potent inhibitor of the TGF-β receptor 1 (TGF-β R1, ALK5) kinase (IC50 = 14.36 nM); blocks TGF-β1-induced phosphorylation and nuclear translocation of SMAD2/3 as well as TGF-β1-directed gene expression; effective in vivo, preventing the development of fibrosis in animals.
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2-n-Butylthiophene
LKT Labs2-n-Butylthiophene is a sulfur analog of furan originally found in cooked meat products. 2-n-Butylthiophene is a phase II enzyme inducer that exhibits antioxidative and chemopreventive activities. This compound increases levels of glutathione and glutathione-S-transferase, preventing…
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Isofagomine (D-tartrate)
Cayman ChemicalA competitive inhibitor of human lysosomal β-glucosidase (Ki = 0.016-0.025 µM; IC50 = 0.06 µM) that interacts with the catalytic pocket of β-glucosidase, acting as a chemical chaperone that stabilizes and/or promotes the folding of the enzyme; increases lysosomal…
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Cefoperazone Acid
LKT LabsCefoperazone is a third generation β-lactam cephalosporin antibiotic. Cefoperazone exhibits antibacterial efficacy against gram positive and gram negative bacteria, inhibiting penicillin binding proteins to prevent peptidoglycan synthesis and bacterial cell wall formation. Cefoperazone also…
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Caspase-3 Inhibitor VII
Cayman ChemicalCAS Number: 745046-84-8 Synonyms: Ivachtin Molecular Formula: C20H21N3O7S
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GTP 14564
Cayman ChemicalAn inhibitor of class III receptor tyrosine kinases (IC50s = 0.3 µM for c-Fms, c-Kit, ITD-FLT3 and 1 µM for PDGFRβ); blocks the proliferation of leukemia cells stimulated with FLT3 ligand by preventing the activation of STAT5.
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5-fluoro 203
Cayman ChemicalA cytotoxic compound that at 1 µM activates aryl hydrocarbon receptor signaling, inducing transcription of cytochrome P450 1A1, which leads to the formation of DNA adducts and cell cycle arrest; can increase the levels of ROS as well as activate JNK, ERK, and p38MAPK in certain ovarian,…
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(±)14(15)-EpEDE
Cayman ChemicalAn EpEDE acid formed from DGLA, either by a strong oxidizing agent or by cytochrome P450 epoxygenases; biological properties are poorly understood.
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9-POHSA
Cayman ChemicalA FAHFA consisting of palmitoleic acid esterified at the 9-position of hydroxy stearic acid; significantly elevated in serum of glucose tolerant AG4OX mice; may be a bioactive lipid with roles in metabolic syndrome and inflammation.
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Aflatoxin B2
LKT LabsAflatoxins are mycotoxins found in foods and livestock feeds that were initially produced by species of Aspergillus. Aflatoxin B2 is cytotoxic; it inhibits DNA synthesis and induces cell cycle arrest.
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(±)-Talinolol
Cayman ChemicalA β1-selective adrenoceptor antagonist well known for its cardioprotective and antihypertensive activity; often used to examine the activity of the drug-transporting MDR1 gene product P-glycoprotein.
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AZD 2932
Cayman ChemicalCAS Number: 883986-34-3 Molecular Formula: C24H25N5O4 Formula Weight: 447.5
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Ophiobolin A
Cayman ChemicalA sesterterpenoid fungal phytotoxin that binds and irreversibly antagonizes calmodulin, blocking the activation of calmodulin-dependent phosphodiesterase with an IC50 value of 9 μM.
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AGI-5198
Cayman ChemicalSelective inhibitor of IDH1 R132H and R132C mutants in vitro (IC50s = 0.07 and 0.16 µM, respectively) but not wild-type IDH1, wild-type IDH2, or IDH2 mutants (IC50s > 100 μM); anti-tumor efficacy in vitro and in vivo; induces demethylation of histone H3K9me3 and…
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ML-161
Cayman ChemicalAn allosteric, reversible inhibitor of PAR1 on platelets, preventing surface expression of P-selectin induced by the peptide SFLLRN with an IC50 value of 0.26 µM; also blocks platelet activation induced by thrombin but not by PMA, U-46619, or collagen.
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Gö 6983
Cayman ChemicalInhibits several isoforms of protein kinase C (PKC; IC50 = 7, 7, 6, 10, 60, and 20,000 nM for PKCα, PKCβ, PKCγ, PKCδ, PKCζ, and PKCμ, respectively); provides cardioprotective effects in myocardial ischemia/reperfusion.
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NVP-TAE226
Cayman ChemicalNVP-TAE226 is an inhibitor of focal adhesion kinase (FAK; IC50 = 5.5 nM) and the related proline-rich tyrosine kinase 2-β (PYK2β; IC50 = 5 nM). It can also inhibit the insulin-like growth factor 1 receptor (IC50 = 0.16 µM) as well as the activity of…
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CFDA-SE
Cayman ChemicalA stable, cell-permeable dye employed to assay cell proliferation as it is partitioned with high fidelity between daughter cells for up to eight generational divisions.
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Estradiol 3-sulfate 17ß-Glucuronide (potassium salt)
Cayman ChemicalA metabolite of estradiol 3-sulfate that has been modified by a UDP-glucuronosyltransferase; enhances utilization by anion transporters, most commonly leading to excretion in urine and bile.
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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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Tiotropium (bromide)
Cayman ChemicalA long-acting muscarinic receptor antagonist that binds equally to human muscarinic M1, M2, and M3 receptors (Kds = 0.04, 0.02, and 0.01 nM, respectively); dissociates slowly from M1 and M3 receptors, which are located on bronchial smooth muscle and submucosal glands, and more rapidly from M2…
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Cinaciguat (hydrochloride)
Cayman ChemicalAn activator of sGC that binds to a regulatory site, resulting in activation in an NO-independent manner (Kd = 3.2 nM); reduces hypertension, limits cardiomyocyte hypertrophy, protects against ischemia/reperfusion injury, and reduces morbidity and mortality in response to endotoxic shock.
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BCTC
Cayman ChemicalA potent TRPV1 antagonist that inhibits capsaicin-induced and acid-induced activation of rat TRPV1 with IC50 values of 35 and 6 nM, respectively.
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11-trans Leukotriene D4
Cayman Chemical11-trans LTD4 is a C-11 double bond isomer of LTD4. LTD4 undergoes slow temperature-dependent isomerization to 11-trans LTD4 during storage. 11-trans LTD4 retains about 10-25 % of the potency for contraction of guinea pig ileum, trachea and parenchyma compared to LTD4. It exhibits an ED50 ranging…
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Colcemid
Cayman ChemicalA colchicine derivative that inhibits tubulin polymerization (IC50 = 2.1 μM) with low toxicity; suppresses microtubule dynamicity, inhibits cell migration, blocks microtubule assembly, and arrests cells in metaphase; used to synchronize cells and for karyotyping in cytogenetic studies.
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VER-49009
Cayman ChemicalAn Hsp90 inhibitor with an IC50 value of 47 nM; induces the expression of HSP27 and Hsp72 while reducing the client proteins c-Raf, B-Raf, survivin, and PRMT5, causing cell cycle arrest and apoptosis.
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17a,20ß-Dihydroxy-4-pregnen-3-one
Cayman ChemicalAn endogenous, maturation-inducing steroid that at 1 µg/ml induces germinal vesicle breakdown in oocytes from several teleost species; can also influence spermiation by stimulating milt production when administered at 5 mg/kg to various male teleosts.