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L-Thyroxine Sodium Salt Pentahydrate
(CAS Number:55-03-8 Product Number:T0245)


L-Thyroxine Sodium Salt
Synonym (S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propionic Acid Sodium Salt Pentahydrate
Synonym Sodium (S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propionate Pentahydrate

General Information

Product Number T0245

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Purity/Analysis Method
Storage Temperature
M.F. / M.W. C15H10I4NNaO4·5H2O=798.86(as Anhydrous)
CAS Number 55-03-8
Related CAS Number 51-48-9
MDL Number MFCD00002596
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Purity(Nonaqueous Titration) min. 98.0 %(calcd.on anh.substance)
Specific rotation [a]20/D +15.0 to +17.0 deg(C=1, 1mol/L HCl:Ethanol95=1:4)
Water 8.0 to 12.0 %


Beilstein 14(2)378
Reaxys-RN 5721845
PubChem SID 87576227
RTECS# XP3583000

Transport Information

UN Number 2811
Class 6.1
Packing Group III
HS Number 2922.50.4000


PubMed Literature

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