CAS 5634-86-6 appears in our catalog under these names: 20:4 PE, 1,2-Diarachidonoyl-sn-glycero-3-phosphoethanolamine, 91.7%. Offered by: Sigma-Aldrich, MedChemExpress. Available pack sizes: 25MG, 500 μg (1.27 mM * 500 μL in Ethanol), 1 mg (1.27 mM * 1 mL in Ethanol).