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Lipoxin A4-d5 (LXA4-d5) contains five deuterium atoms at the 19, 19', 20, 20, and 20 positions. It is intended for use as an internal standard for the quantification of LXA4 by GC- or LC-mass spectrometry (MS). LXA4 is a trihydroxy fatty acid containing a conjugated tetraene, produced by the metabolism of 15-HETE or 15-HpETE with human leukocytes. LXA4 is equipotent to leukotriene B4 (LTB4) in inducing superoxide generation in human neutrophils at 0.1 µM. LXA4 is associated with several other biological functions including leukocyte activation, chemotaxis effects, natural killer cell inhibition, and monocyte migration and adhesion.Formal Name: 5S,6R,15S-trihydroxyicosa-7E,9E,11Z,13E-tetraenoic-19,19,20,20,20-d5 acid. CAS Number: 1622429-53-1. Synonyms: 5(S),6(R),15(S)-TriHETE-d5, 5(S),6(R)-LXA4-d5. Molecular Formula: C20H27D5O5. Formula Weight: 357.5. Purity: >99% deuterated forms (d1-d5). Formulation: (Request formulation change), A solution in ethanol. Solubility: DMF: 50 mg/ml, Ethanol: 50 mg/ml, PBS (pH 7.2): 1 mg/ml. lambdamax: 302 nm. SMILES: O[C@@H](CCCC([2H])([2H])C([2H])([2H])[2H])/C=C/C=C\C=C\C=C\[C@@H](O)[C@@H](O)CCCC(O)=O. InChi Code: InChI=1S/C20H32O5/c1-2-3-8-12-17(21)13-9-6-4-5-7-10-14-18(22)19(23)15-11-16-20(24)25/h4-7,9-10,13-14,17-19,21-23H,2-3,8,11-12,15-16H2,1H3,(H,24,25)/b6-4-,7-5+,13-9+,14-10+/t17-,18+,19-/m0/s1/i1D3,2D2. InChi Key: IXAQOQZEOGMIQS-YUMLLTTFSA-N.
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