Date published: 2026-5-30

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TR α Activators

Santa Cruz Biotechnology now offers a broad range of TRα Activators for use in various applications. TRα Activators are a category of chemicals that play a pivotal role in the study of thyroid hormone receptor alpha (TRα), a nuclear receptor that regulates gene expression in response to thyroid hormones. These activators are crucial in scientific research for explaining the molecular mechanisms of TRα, allowing researchers to investigate its involvement in diverse biological processes such as metabolism, development, and cellular differentiation. By selectively activating TRα, these compounds enable detailed studies on receptor function, ligand specificity, and the downstream signaling pathways activated by thyroid hormones. This chemical category is invaluable in the research community for developing and optimizing new assays, studying gene expression regulation, and understanding the intricate balance of hormone action at the cellular level. TRα Activators also aid in the discovery of potential environmental factors or synthetic compounds that may interact with thyroid hormone receptors, contributing to broader research on endocrine disruptors and environmental toxicology. View detailed information on our available TRα Activators by clicking on the product name.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

L-3,3′,5-Triiodothyronine, free acid

6893-02-3sc-204035
sc-204035A
sc-204035B
10 mg
100 mg
250 mg
$41.00
$77.00
$153.00
(1)

L-3,3′,5-Triiodothyronine, free acid is the active form of thyroid hormone and binds directly to TRα, inducing conformational changes that facilitate the transcription of target genes.

3,3′,5-Triiodo-L-thyronine sodium salt

55-06-1sc-231968
sc-231968A
sc-231968B
100 mg
500 mg
1 g
$90.00
$245.00
$439.00
(0)

3,3',5-Triiodo-L-thyronine sodium salt exhibits unique interactions with thyroid hormone receptors, particularly influencing gene expression through its affinity for the TR alpha isoform. Its triiodinated structure enhances lipophilicity, facilitating cellular uptake and nuclear translocation. The compound's distinct binding kinetics promote selective modulation of metabolic pathways, while its conformational adaptability allows for nuanced interactions with co-regulators, impacting transcriptional activity in target tissues.

L-Thyroxine, free acid

51-48-9sc-207813
sc-207813A
100 mg
500 mg
$35.00
$74.00
2
(0)

L-Thyroxine, free acid is a prohormone and a precursor to T3. It can indirectly activate TRα after being converted to T3 in peripheral tissues.

3,3′,5,5′-Tetraiodothyroacetic acid

67-30-1sc-231969
sc-231969A
sc-231969B
sc-231969C
sc-231969D
25 mg
50 mg
100 mg
250 mg
500 mg
$120.00
$162.00
$277.00
$526.00
$942.00
3
(1)

3,3',5,5'-Tetraiodothyroacetic acid acts at the thyroid hormone receptor on the plasma membrane, not the nuclear receptor, modulating pathways influenced by TRα.

3,5-Diiodo-L-thyronine

1041-01-6sc-216601
sc-216601A
sc-216601B
sc-216601C
sc-216601D
1 g
5 g
10 g
25 g
100 g
$270.00
$562.00
$938.00
$1408.00
$2673.00
2
(0)

3,5-Diiodo-L-thyronine has partial agonist activity on TRα, modulating cardiovascular and metabolic processes.

L-3,3′,5-Triiodothyronine, Sodium Salt

55-06-1sc-205725
250 mg
$115.00
(1)

This is the sodium salt of T3 and acts similarly by binding and activating TRα, influencing metabolic and developmental processes.

3,3′,5-Triiodothyroacetic acid

51-24-1sc-226208
100 mg
$67.00
1
(1)

Tiratricol is a thyroid hormone metabolite that shows selective activity on TRα, influencing energy metabolism and thermogenesis.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin activates adenylate cyclase, increasing cAMP levels, which can indirectly influence TRα activity through cAMP-responsive pathways.