3,3',5'-Triiodo-L-thyronine, formerly known as rT3, inhibits the increase of sodium current generated by other thyroid hormone analogues in neonatal rat myocytes. The ratio of triiodothryonine (T3) to rT3 has been investigated as in indicator of insulin resistance. References: De Angelis M, Giesert F, Finan B, Clemmensen C, Müller TD, Vogt-Weisenhorn D, Tschop MH, Schramm KW. Determination of thyroid hormones in mouse tissues by isotope-dilution microflow liquid chromatography-mass spectrometry method. J Chromatogr B Analyt Technol Biomed Life Sci. 2016 Oct 15;1033-1034:413-420. doi: 10.1016/j.jchromb.2016.08.037. Epub 2016 Aug 26. PubMed PMID: 27649501.

纯度：≥98%