... deliver by DHL High purity levothyroxine 55-48-9 (T4) 98% with fast deliver supplier by Xi’an ... Co., Ltd Product Name:levothyroxine 55-48-9 (T4) 98%Appearance :white powderCas:55-48-9Molecular formula: ... alanine; l-3,5,3’,5’-tetraiodothyronine; l-t4; o-(4-hydroxy-3,5-diiodophenyl)-3,5- ... o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine; t4(hormone); tetraiodothyronine; O-(4-hydroxy-3,5-diiodophenyl)- ...