T2877

Sigma-Aldrich

3,3′,5-Triiodo-L-thyronine

≥95% (HPLC), powder

Synonym(s):
Liothyronine, O-(4-Hydroxy-3-iodophenyl)-3,5-diiodo-L-tyrosine, T3
Empirical Formula (Hill Notation):
C15H12I3NO4
CAS Number:
Molecular Weight:
650.97
Beilstein/REAXYS Number:
2710227
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.32

Quality Level

biological source

synthetic (organic)

sterility

non-sterile

assay

≥95% (HPLC)

form

powder

optical activity

[α]25/D +23.0°, c = 2 in 1 N HCl: ethanol, 1:2

application(s)

transfection: suitable

mp

234-238 °C (lit.)

solubility

4 M NH4OH in methanol: 5 mg/mL, clear to very slightly hazy, colorless to light yellow

shipped in

ambient

storage temp.

−20°C

SMILES string

N[C@@H](Cc1cc(I)c(Oc2ccc(O)c(I)c2)c(I)c1)C(O)=O

InChI

1S/C15H12I3NO4/c16-9-6-8(1-2-13(9)20)23-14-10(17)3-7(4-11(14)18)5-12(19)15(21)22/h1-4,6,12,20H,5,19H2,(H,21,22)/t12-/m0/s1

InChI key

AUYYCJSJGJYCDS-LBPRGKRZSA-N

Gene Information

human ... THRA(7067), THRB(7068)
rat ... Thra(81812), Thrb(24831)

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Application

3,3′,5-Triiodo-L-thyronine can be used for Insulin-like growth factor I assays performed by using a double antibody radioimmunoassay. The product can also be used for in vitro transfection of 293T cells.

Packaging

1, 5 g in poly bottle
100, 250, 500 mg in poly bottle

Biochem/physiol Actions

3,3′,5-Triiodo-L-thyronine also referred to as O-(4-Hydroxy-3-iodophenyl)-3,5-diiodo-L-tyrosine or T3 is the biologically active thyroid hormone. In hypothyroidism pateints, triiodothyronine enhances mood and neuropsychological function. The product also positively regulates the hepatic FGF21 expression and stimulates the metabolic breakdown of glucose, fats, and proteins by enhancing the levels of numerous metabolic enzymes such as hexokinase, liver glucose 6-phosphatase as well as mitochondrial enzymes for oxidative phosphorylation. Additionally, the product facilitates the normal body growth in children and is pivotal for central nervous system maturation in foetus.

Preparation Note

3,3′,5-Triiodo-L-thyronine dissolves in 4M NH4OH in MeOH at 5 mg/ml to yield a colorless to light yellow, clear to very slightly hazy solution.

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

W A Head et al.
Journal of animal science, 74(9), 2152-2157 (1996-09-01)
Targhee ewes (n = 22, average age 5 yr) rearing twin lambs were used to investigate serum growth hormone (GH), IGF-I, triiodothyronine (T3), thyroxine (T4), and prolactin (PRL; ewes only) concentrations associated with selection pressure for lifetime production of kilograms...
Soledad Bárez-López et al.
PloS one, 14(12), e0226017-e0226017 (2019-12-07)
Patients lacking the thyroid hormone (TH) transporter MCT8 present abnormal serum levels of TH: low thyroxine and high triiodothyronine. They also have severe neurodevelopmental defects resulting from cerebral hypothyroidism, most likely due to impaired TH transport across the brain barriers....
Andrew C Adams et al.
The Journal of biological chemistry, 285(19), 14078-14082 (2010-03-20)
Thyroid hormone has profound and diverse effects on liver metabolism. Here we show that tri-iodothyronine (T3) treatment in mice acutely and specifically induces hepatic expression of the metabolic regulator fibroblast growth factor 21 (FGF21). Mice treated with T3 showed a...
Takahiro Nojiri et al.
Endocrine journal, 66(5), 409-422 (2019-03-01)
Graves' Disease is a representative autoimmune thyroid disease that presents with hyperthyroidism. Emerging evidence has shown the involvement of lysophosphatidic acid (LPA) and its producing enzyme, autotaxin (ATX), in the pathogenesis of various diseases; among them, the involvement of the...
Jens Tiefenbach et al.
PloS one, 5(3), e9797-e9797 (2010-03-27)
Nuclear receptors (NRs) belong to a superfamily of transcription factors that regulate numerous homeostatic, metabolic and reproductive processes. Taken together with their modulation by small lipophilic molecules, they also represent an important and successful class of drug targets. Although many...

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