dextrothyroxine dextrothyroxine dextrothyroxine (trade name choloxin) is a dextrorotary isomer of thyroxine. it saw research as a cholesterol-lowering drug but was pulled due to cardiac side-effects. it increases hepatic lipase which in turn improves utilization of triglycerides and decreases levels of lipoprotein(a) in blood serum. dextrothyroxineclinical datatrade namescholoxinother namesd-3,5,3',5'-tetraiodothyronineahfs/drugs.commultum consumer informationatc codec10ax01 (who) legal statuslegal status discontinued identifiers iupac name (2r)-2-amino-3-propanoic acid cas number51-49-0pubchem cid8730drugbankdb00509chemspider8402unii4w9k63fionchebichebi:30659chemblchembl559comptox dashboard (epa)dtxsid60199000 echa infocard100.000.094 chemical and physical dataformulac15h11i4no4molar mass776.874 g·mol−13d model (jsmol)interactive image smiles o=c(o)(n)cc2cc(i)c(oc1cc(i)c(o)c(i)c1)c(i)c2 inchi inchi=1s/c15h11i4no4/c16-8-4-7(5-9(17)13(8)21)24-14-10(18)1-6(2-11(14)19)3-12(20)15(22)23/h1-2,4-5,12,21h,3,20h2,(h,22,23)/t12-/m1/s1key:xuiikfgfijcvmt-gfccvegcsa-n