kappadione kappadione kappadione is a vitamin k derivative used for the treatment of side effects of vitamin k antagonists such as warfarin, prophylaxis and treatment of vitamin k deficiency bleeding, and hypoprothrombinemia due to various causes. it was manufactured by eli lilly and company. chemically, it is menadiol sodium diphosphate. it was approved by the us food and drug administration prior to 1982 and marketed by lilly. it has since been discontinued and is not available in north america. kappadioneclinical dataroutes ofadministrationinjectionatc codenonelegal statuslegal status us: rx only, discontinued (was fda approved) in general: ℞ (prescription only) identifiers iupac name tetrasodium (2-methyl-4-phosphonatooxynaphthalen-1-yl) phosphate cas number6700-42-1 ypubchem cid8555drugbankdb09332 ychemspider8237 nunii2ovl75b30wkeggd04908comptox dashboard (epa)dtxsid80156832 echa infocard100.004.558 chemical and physical dataformulac11h8na4o8p2molar mass422.084 g·mol−13d model (jsmol)interactive image smiles cc1=c(c2=cc=cc=c2c(=c1)op(=o)())op(=o)().... inchi inchi=1s/c11h12o8p2.4na/c1-7-6-10(18-20(12,13)14)8-4-2-3-5-9(8)11(7)19-21(15,16)17;;;;/h2-6h,1h3,(h2,12,13,14)(h2,15,16,17);;;;/q;4*+1/p-4 nkey:gzbachsoznezog-uhfffaoysa-j n ny (what is this?) (verify)