trans-EKODE-(E)-Ib
Item № 10004224
CAS № 478931-82-7
Purity ≥98%
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CART TOTAL $0.00
25 µg $39.00 $0.00
50 µg $74.00 $0.00
100 µg $140.00 $0.00
500 µg $624.00 $0.00

Pricing updated 2016-05-06. Prices are subject to change without notice.

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Description
Synonyms
  • 12,13-epoxy-9-keto-10(trans)-Octadecenoic Acid

During oxidative stress, the abundant unsaturated fatty acid linoleic acid undergoes lipid peroxidation to produce α,β-unsaturated epoxy-keto-octadecenoic acids (EKODEs). Nonenzymatic autooxidation of linoleic acid generates six major EKODE isomers, which differ from one another in the positioning and the orientation of the epoxy group relative to the keto moiety. trans-EKODE-(E)-Ib is a biologically active peroxidation product of linoleic acid that is characterized, structurally, by having a trans carbon-carbon double bond between the 9-keto and 12,13-epoxy groups. It activates an antioxidant response element (ARE) in neuronal cells and induces the expression of ARE-regulated cytoprotective genes like NQO1.1 This EKODE also stimulates the synthesis of aldosterone and corticosterone in adrenal cells when supplied at 1-5 μM.2,3 This effect appears to be mediated by a rise in intracellular calcium.4

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Technical Information
Formal Name 9-oxo-11-(3-pentyl-2-oxiranyl)-10E-undecenoic acid
CAS Number 478931-82-7
Synonyms
  • 12,13-epoxy-9-keto-10(trans)-Octadecenoic Acid
Molecular Formula C18H30O4
Formula Weight 310.2
Purity ≥98%
Formulation A solution in ethanol
SMILES CCCCCC(O1)C1/C=C/C(CCCCCCCC(O)=O)=O
InChI Code 1S/C18H30O4/c1-2-3-7-11-16-17(22-16)14-13-15(19)10-8-5-4-6-9-12-18(20)21/h13-14,16-17H,2-12H2,1H3,(H,20,21)/b14-13+
InChI Key RCMABBHQYMBYKV-BUHFOSPRSA-N

WARNING - This product is not for human or veterinary use.

Shipping & Storage
Storage -20°C
Shipping Room temperature in continental US; may vary elsewhere
Stability As supplied, 1 year from the QC date provided on the Certificate of Analysis, when stored properly
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Additional Information

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References & Background Reading
Product Description References

1. Wang, R., Kern, J.T., Goodfriend, T.L., et al. Activation of the antioxidant response element by specific oxidized metabolites of linoleic acid. Prostaglandins Leukot Essent Fatty Acids 81 53-59 (2009).

2. Goodfriend, T.L., Ball, D.L., Raff, H., et al. Oxidized products of linoleic acid stimulate adrenal steroidogenesis. Endocr Res 28(4) 325-330 (2002).

3. Goodfriend, T.L., Ball, D.L., Egan, B.M., et al. Epoxy-keto derivative of linoleic acid stimulates aldosterone secretion. Hypertension 43[part 2] 358-363 (2004).

4. Payet, M.D., Goodfriend, T.L., Bilodeau, L., et al. An oxidized metabolite of linoleic acid increases intracellular calcium in rat adrenal glomerulosa cells. Am J Physiol Endocrinol Metab 291 E1160-E1167 (2006).

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