Products 55-03-8

CAS 55-03-8 appears in our catalog under these names: Thyroxine Sodium Salt, >95% (HPLC), L-Thyroxine sodium/ 99.56% (existing batch purity), Levothyroxine sodium, L-Thyroxine (sodium), 99.75%, L-Thyroxine (sodium) (Standard). Offered by: TRC, TargetMol, GLPBio, MedChemExpress. Available pack sizes: 10g, 1g, 25g, 500mg, 100mg, 25mg, 1 g, 10mM/1mL.

Thyroxine Sodium Salt, >95% (HPLC)
TRC
  • size: 10g, 1g, 25g
  • Variants: 3
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L-Thyroxine sodium/ 99.56% (existing batch purity)
TargetMol
  • size: 1g, 500mg
  • Variants: 2
from 492.36
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Levothyroxine sodium
GLPBio
  • size: 100mg, 25mg
  • Variants: 2
from 559.60
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L-Thyroxine (sodium), 99.75%
MedChemExpress
  • size: 1 g, 10mM/1mL, 500 mg
  • Variants: 3
from 407.93
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L-Thyroxine (sodium) (Standard)
MedChemExpress
  • size: 100 mg, 25 mg, 10 mg, 50 mg
  • Variants: 4
from 263.96
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Structural formula: {0} (CAS {1})

Levothyroxine sodium anhydrous is the sodium salt of L-thyroxine. It is used as replacement therapy in the treatment of hypothyroidism. It contains a L-thyroxine(1-).

Source: ChEBI

Identity
Molecular formulaC15H10I4NNaO4
Molecular weight798.85 g/mol
IUPAC namesodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate
InChIKeyYDTFRJLNMPSCFM-YDALLXLXSA-M
SMILESC1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)C[C@@H](C(=O)[O-])N.[Na+]

Computed by PubChem (NCBI)

Synonyms: Levothyroxine sodium, L-Thyroxine sodium, Euthyrox, Unithroid, levothroid, Levoxyl, Novothyrox, Letter, synthroid, Thyroxin sodium
Related forms of this compound
sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate C15H10I4NNaO4
sodium (2R)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate C15H10I4NNaO4