Biologically Active Small Molecules, 50 µg
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4-hydroxy Nonenal Mercapturic Acid-d3
Cayman ChemicalAn internal standard for the quantification of 4-HNE mercapturic acid by GC- or LC-MS.
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11ß-13,14-dihydro-15-keto Prostaglandin F2a
Cayman ChemicalA metabolite of PGD2 via the 15-hydroxy PGDH pathway.
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Clasto-Lactacystin ß-lactone
Cayman ChemicalActive metabolite of lactacystin, a widely used selective inhibitor of the 20S proteasome, with at least 10 times better activity; irreversibly alkylates subunit X of the 20S proteasome.
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6(S)-Lipoxin A4
Cayman ChemicalThe lipoxins are trihydroxy fatty acids containing a 7,9,11,13-conjugated tetraene. LXA4 was first described as a metabolite of 15-HpETE and/or 15-HETE when added in vitro to isolated human leukocytes. The material obtained in this manner consists of at least four distinct isomers: 5(S), 6(S);…
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Prostaglandin A2-d4
Cayman ChemicalAn internal standard for the quantification of PGA2 by GC- or LC-MS.
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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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13,14-dihydro-15-keto-tetranor Prostaglandin F1ß
Cayman ChemicalA major urinary metabolite of PGE2 that is excreted in guinea pig urine at a concentration range of 1.34-2.74.
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tetranor-12(S)-HETE
Cayman ChemicalMajor β-oxidation product resulting from peroxisomal metabolism of 12(S)-HETE
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(±)11(12)-DiHET
Cayman ChemicalThe diol resulting from the sEH opening of (±)11(12)-EET; contracts artery rings with approximately 70% of the magnitude of (±)11(12)-EET.
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Resolvin D3
Cayman ChemicalA DHA-derived product first identified in mouse inflammatory exudates; reduces neutrophil infiltration in vivo in both mouse peritonitis and dermal inflammation; enhances macrophage phagocytosis and efferocytosis.
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Maresin 2
Cayman ChemicalA 13R,14S-dihydroxy DHA formed by recombinant human macrophage 12-LO and sEH co-incubated with DHA; reduces neutrophil infiltration in a mouse model of peritonitis and enhances human macrophage phagocytosis of zymosan A.
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tetranor-PGAM
Cayman ChemicalA dehydration product of tetranor-PGEM that can be measured as a surrogate for tetranor-PGEM levels in urine.
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13,14-dihydro-15(R,S)-hydroxy-16,16-difluoro Prostaglandin E1-d4
Cayman ChemicalAn internal standard for quantification of 13,14-dihydro-15 (R,S)-hydroxy-16,16-difluoro-Prostaglandin E1, a metabolite of a bicyclic PGE1 derivative used in the treatment of chronic constipation, by GC- or LC-mass spectrometry (MS).
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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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Docosahexaenoic Acid-d5
Cayman ChemicalAn internal standard for the quantification of DHA by GC- or LC-MS.
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(±)11-HDHA
Cayman Chemical(±)11-HDHA is an autoxidation product of DHA in vitro. It is also produced from incubations of DHA in rat liver, brain, and intestinal microsomes. DHA is metabolized to 11(S)-HDHA by human platelets and canine retina. In addition to 11(S)-HDHA, 14(S)-HDHA is also produced by platelets.…
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(±)11(12)-EpETE
Cayman ChemicalAn epoxygenase pathway product produced from EPA by CYP450 both in vitro and in vivo; its effects of remain to be determined.
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(±)12-HpETE
Cayman Chemical(±)12-HpETE is one of the six monohydroperoxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid (Item No. 90010) and consists of an equal mixture of the R and S isomers. Reduction of the hydroperoxide yields the more stable hydroxyl fatty acid (±)12-HETE (Item…
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(±)10(11)-EpDPA
Cayman ChemicalA DHA epoxygenase metabolite detected in rat brain and spinal cord, as well as human serum, that acts as a substrate for sEH (Km = 5.1 µM); demonstrates antihyperalgesic activity in inflammatory and neuropathic pain models and potently inhibits angiogenesis and tumor growth in in vitro assays.
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19(R)-HETE
Cayman ChemicalA major CYP450 metabolite of arachidonic acid that is released from the kidney in response to angiotensin II; a potent vasodilator of renal preglomerular vessels; blocks 20-HETE-induced vasoconstriction of renal arterioles at 1 µM.
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(±)14(15)-EpEDE methyl ester
Cayman ChemicalAn analog of (±)14(15)-EpEDE with greater lipid solubility than the free base.
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Cylindrospermopsin
Cayman ChemicalA cyanobacterial toxin that targets protein and glutathione synthesis in hepatocytes (IC50s = 1.3 and 2.4 µM, respectively), inhibits uridine monophosphate synthase complex activity (Ki = 10 µM), and induces DNA damage.
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5-iPF2a-VI
Cayman ChemicalIsoprostanes are prostaglandin (PG)-like products of free-radical induced lipid peroxidation. Although the isoprostanes derived from arachidonic acid are the best characterized, many other polyunsaturated fatty acids can form isoprostanes. iPF2α-VI is one of dozens of possible stereo- and…
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(±)8-HETE
Cayman Chemical(±)8-HETE is one of the six monohydroxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid.
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8,12-iso-iPF2a-VI-d11
Cayman ChemicalAn internal standard for the quantification of 8,12-iso-iPF2α-VI by GC- or LC-MS.
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Microcystin-LR
Cayman ChemicalMicrocystins are hepatotoxic cyclic heptapeptide toxins produced by cyanobacteria. They are responsible for periodic poisonings of humans and livestock drinking fresh water where the blue-green algae are endemic. Microcystin-LR is a selective inhibitor of protein phosphatase 2A (PP2A) (IC50= 0.04…
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6-trans Leukotriene B4
Cayman ChemicalA non-enzymatic hydrolysis product of LTA4 with reduced activity compared to LTB4; also produced by oxidative decomposition of CysLTs such as LTC4 in the presence of myeloperoxidase and hypochlorous acid.
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15-OxoETE
Cayman Chemical15-OxoETE is produced by oxidation of the 15-hydroxyl of 15-HETE. Whether this is a major pathway of 15-HETE metabolism is yet to be clearly established.
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17-trans Prostaglandin E3
Cayman Chemical17-trans PGE3 is an isomer of PGE3 which could theoretically result from the COX metabolism of dietary trans-fatty acids. There are no published reports on the biological activity of this compound.
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Arachidonic Acid methyl ester 1,2,3,4,5-13C
Cayman ChemicalAn isotopically enriched form of a PUFA standard with carbon-13 occurring at positions 1, 2, 3, 4, and 5; used to study metabolic processes related to arachidonic acid by means of mass spectrometry.
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Arachidonic Acid 1,2,3,4,5-13C
Cayman ChemicalAn isotopically enriched form of a PUFA with carbon-13 occurring at positions 1, 2, 3, 4, and 5; used to study metabolic processes related to arachidonic acid by means of mass spectrometry.