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51-48-9 L-Thyroxine

product Name L-Thyroxine
CAS No 51-48-9;25416-65-3
Synonyms levothyroxine; 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-alanine; 3,5,3',5'-tetraiodothyronine; beta-[(3,5-diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl]alanine; l-3,5,3',5'-tetraiodothyronine; l-t4; o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosin; o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine; t4(hormone); tetraiodothyronine; O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine
Molecular Formula C15H11I4NO4
Molecular Weight 776.87
InChI InChI=1/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-/m0/s1
EINECS 200-101-1
Molecular Structure 51-48-9;25416-65-3 L-Thyroxine
Density 2.635g/cm3
Melting point 223℃ (dec.)
Boiling point 576.3°C at 760 mmHg
Refractive index 1.795
Flash point 302.3°C
Water solubility insoluble
Vapour Pressur 4.02E-14mmHg at 25°C
Hazard Symbols  Xn:Harmful;
Risk Codes R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.;
Safety Description S24/25:;

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