A proposed anti-inflammatory EPA metabolite that has been shown to promote inflammatory resolution in numerous disease models, including experimental colitis, asthma, atherosclerosis, type 2 diabetes, and HSV-1-induced stromal keratitis.

13,14-dihydro-19(R)-hydroxy PGE1 is the theoretical metabolite of 13,14-dihydro PGE1 by ω-1 hydroxylase. There are no known reports on its biosynthesis or biological activity.

An internal standard for the quantification of DHA by GC- or LC-MS.

Isoprostanes 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…

5(S)-HETrE is produced by the action of 5-LO when mead acid is the substrate. There are no literature reports of the biological activity or further metabolic fate of 5(S)-HETrE.

A 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.

Major β-oxidation product resulting from peroxisomal metabolism of 12(S)-HETE

An epoxygenase pathway product produced from EPA by CYP450 both in vitro and in vivo; its effects of remain to be determined.

A 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.

A 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.

(±)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.…

A 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.

An internal standard for the quantification of (±)14(15)-DiHET by GC- or LC-MS.

A purified enantiomer of (±)9-HETE resulting from non-enzymatic oxidation of arachidonic acid.

(±)8-HETE is one of the six monohydroxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid.

(±)14(15)-EET-d11 contains 11 deuterium atoms at the 16, 16', 17, 17', 18, 18' ,19, 19' ,20, 20, and 20 positions. It is intended for use as an internal standard for the quantification of (±)14(15)-EET (Item No. 50651) by GC- or LC-MS.

A DHA epoxygenase metabolite found in rat brain and spinal cord that acts as a preferred substrate for sEH (Km = 3.2 µM); demonstrates antihyperalgesic activity in inflammatory and neuropathic pain models and potently inhibits angiogenesis and tumor growth in in vitro assays.

11-trans LTC4 is a C-11 double bond isomer of LTC4. LTC4 undergoes slow temperature-dependent isomerization to 11-trans LTC4 during storage. 11-trans LTC4 is produced in smaller amounts relative to LTC4 in ionophore-stimulated HMC-1 cells (a human mast cell line) and equine eosinophils, but not in…

(±)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…

The diol resulting from the sEH opening of (±)11(12)-EET; contracts artery rings with approximately 70% of the magnitude of (±)11(12)-EET.

The racemic version of a CYP450 metabolite of arachidonic acid that dose-dependently stimulates vasodilation of the rabbit kidney.

Key urinary metabolite of PGD2; represents approximately 1% and 4% of the infused radiolabeled dose in monkeys and humans, respectively.

Less potent than AEA (Item No. 90050) at the CB1 receptor (Ki = 600 versus 90 nM); inhibits FAAH.

The 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);…

A derivative of (±)8(9)-EET which is stable enough to ship and handle routinely.

11β-PGF2α-d4 contains four deuterium atoms at the 3, 3', 4, and 4' positions. It is intended for use as an internal standard for the quantification of 11β-PGF2α by GC- or LC-MS.

(±)15-HETE is one of the six monohydroxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid. The biological activity of (±)15-HETE is similar to that of its constituent enantiomers (Item Nos. 34720 and 34710).

An aspirin-triggered lipoxin that inhibits LTB4-induced chemotaxis, adherence, and transmigration of the neutrophils with twice the potency of LXA4 demonstrating activity in the nM range.

A potential cytochrome P450 metabolite of N-arachidonoyl taurine that may activate TRPV1 and TRPV4.

(±)12-HETE is one of the six monohydroxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid. The biological activity of (±)12-HETE is similar to that of its constituent enantiomers (Item Nos. 34560 and 34570). It aggregates neutrophils with an EC₅₀…

(±)9-HETE is one of the six monohydroxy fatty acids produced by the non-enzymatic oxidation of arachidonic acid. The individual R and S isomers of racemic HETEs have been separated and identified using chiral phase HPLC. The racemic HETEs have been quantified as an index of lipid…

An internal standard for the quantification of 4-HNE mercapturic acid by GC- or LC-MS.