Thermogenic

Liothyronine

CAS 6893-02-3
Formula C₁₅H₁₂I₃NO₄
Half-life 2.5 days (oral)

Chemical Identity

CAS Number	`6893-02-3`
IUPAC Name	(S)-2-amino-3-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]propanoic acid
Molecular Formula	C₁₅H₁₂I₃NO₄
Molecular Weight	650.97 g/mol
SMILES	`N[C@@H](CC1=CC(I)=C(OC2=CC(I)=C(O)C=C2)C(I)=C1)C(O)=O`
InChIKey	`AUYYCJSJGJYCDS-LBPRGKRZSA-N`
Melting Point	236-237 (decomposition) °C
Solubility	Very slightly soluble in water; soluble in dilute NaOH
Half-life	2.5 days (oral)

Pharmacological Profile

Aromatisation	None
Hepatotoxicity	None

Known trade names

Cytomel
Triostat
Thybon

External references

PubChem CID 5920
PubMed clinical literature
Wikipedia overview

Data sourced from peer-reviewed pharmacological literature and authoritative chemical databases (PubChem, DrugBank, ChEBI). Provided for identification and research reference only — not medical advice.