Abacavir EP Impurity D Catalogue No. - VL760005 CAS No. - 783292-37-5 (free base), 267668-71-3 (Salt) Molecular Formula - C14H20Cl2N6O Molecular Weight - 359.25 IUPAC Name - [(1R,4R)-4-[2-Amino-6-(cyclopropylamino)-9H-purin-9-yl]cyclopent-2-enyl]methanol dihydrochloride Synonyms - trans-Abacavir Dihydrochloride