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Merck

E1768

5,8,11,14-Eicosatetraynoic acid

≥97%

Synonym(s):

ETYA, Octadehydroarachidonic acid

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About This Item

Empirical Formula (Hill Notation):
C20H24O2
CAS Number:
1191-85-1
Molecular Weight:
296.40
UNSPSC Code:
12352106
NACRES:
NA.77
PubChem Substance ID:
24894432
MDL number:
MFCD00036967
Beilstein/REAXYS Number:
1798411
Assay:
≥97%
Form:
powder
Quality level:
200

Key Documents

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InChI

1S/C20H24O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2-5,8,11,14,17-19H2,1H3,(H,21,22)

SMILES string

CCCCCC#CCC#CCC#CCC#CCCCC(O)=O

InChI key

MGLDCXPLYOWQRP-UHFFFAOYSA-N

biological source

synthetic (organic)

assay

≥97%

form

powder

mp

78-80 °C

solubility

ethanol: 50 mg/mL, clear, colorless to yellow

storage temp.

−20°C

Quality Level

200

Gene Information

human ... ALOX15(246)

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Biochem/physiol Actions

Eicosatetraynoic acid (ETYA) is a non-metabolizable analog of ω-6 arachidonic acid. ETYA is a strong activator of the human peroxisome proliferator-activated receptor α (PPARα). It acts as an inhibitor of lipoxygenases (LOX) and cyclooxygenases (COX).
Eicosatetraynoic acid is a lipoxygenase and cyclooxygenase inhibitor.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
088K37972V
088K37972
088K37971
077H3781
075H3806

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Deepti Dabral et al.
Biochemical and biophysical research communications, 515(2), 261-267 (2019-05-28)
The canonical Phospholipase A2 (PLA2) metabolites lysophosphatidylcholine (LPC) and arachidonic acid (ARA) affect regulated exocytosis in a wide variety of cells and are proposed to directly influence membrane merger owing to their respective spontaneous curvatures. According to the Stalk-pore hypothesis
Christine L Oltman et al.
American journal of physiology. Heart and circulatory physiology, 285(6), H2309-H2315 (2003-07-19)
Reactive oxygen species (ROS) have been proposed to mediate vasodilation in the microcirculation. We investigated the role of ROS in arachidonic acid (AA)-induced coronary microvascular dilation. Porcine epicardial coronary arterioles (110 +/- 4 microm diameter) were mounted onto pipettes in
Ming-Xiao Wang et al.
American journal of physiology. Renal physiology, 318(6), F1369-F1376 (2020-04-21)
Cytochrome P-450 (Cyp) epoxygenase-dependent metabolites of arachidonic acid (AA) have been shown to inhibit renal Na+ transport, and inhibition of Cyp-epoxygenase is associated with salt-sensitive hypertension. We used the patch-clamp technique to examine whether Cyp-epoxygenase-dependent AA metabolites inhibited the basolateral
YiLin Ren et al.
Hypertension (Dallas, Tex. : 1979), 53(2), 319-323 (2008-12-03)
In the renal cortex, the connecting tubule (CNT) returns to the glomerular hilum and contacts the afferent arteriole (Af-Art). Increasing Na delivery to the CNT dilates the Af-Art by activating epithelial Na channels, a process that we call connecting tubule
Enrico Dainese et al.
Journal of molecular biology, 349(1), 143-152 (2005-05-07)
Soybean lipoxygenase-1 (LOX-1) is used widely as a model for studying the structural and functional properties of the homologous family of lipoxygenases. The crystallographic structure revealed that LOX-1 is organized in a beta-sheet N-terminal domain and a larger, mostly helical
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Product Information Sheet - E1768

Product Information Sheet

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