3,3′,5-Triiodo-L-thyronine sodium salt hydrate
3,3′,5-Triiodo-L-thyronine sodium salt hydrate (CAS: 345957-19-9) is a form of triiodothyronine, a thyroid hormone. This compound serves as a crucial reagent in chemical biology and synthesis. Its molecular weight is 672.96 on an anhydrous basis. It is utilized in research settings for its biological relevance, often as a building block or reference standard in studies related to thyroid hormone action and metabolism.
- Synonyms
- 345957-19-9, C15H11I3NO4 · Na · xH2O

Chemical Biology Research
Utilised as a valuable tool in chemical biology, this compound aids in investigating the mechanisms of thyroid hormone signaling and metabolism. Researchers can use it to study protein-ligand interactions and enzyme kinetics.
Synthetic Chemistry Intermediate
Serves as an intermediate in the synthesis of more complex molecules, particularly in the development of novel compounds within medicinal chemistry. Its structure allows for further functionalization in research and development.
Peptide and Unnatural Amino Acid Derivative Studies
Applicable in the study of peptide chemistry and unnatural amino acid derivatives, it can be used to explore the structure-activity relationships of thyroid hormone analogues.
| Molecular weight | 672.96 (anhydrous basis) |
|---|---|
| Empirical formula | C15H11I3NO4 · Na · xH2O |
| Assay | 95% |
| Optical activity | [α]22/D +21.5°, c = 2 in 1 N HCl: ethanol, 1:2 |
| Melting point | 205 °C (dec.)(lit.) |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3,3′,5-Triiodo-L-thyronine sodium salt hydrate used for?
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3,3′,5-Triiodo-L-thyronine sodium salt hydrate (CAS: 345957-19-9) is primarily used in chemical biology research and as an intermediate in chemical synthesis, particularly in studies involving peptide chemistry and unnatural amino acid derivatives.
What are the CAS number and formula for this compound?
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The CAS number is 345957-19-9. The empirical formula is C15H11I3NO4 · Na · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′,5-Triiodo-L-thyronine sodium salt hydrate with an assay of 95%. This is a research-grade chemical, and TSS does not represent it as USP, BP, or EP grade.
How should this chemical be handled?
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This compound is classified under WGK 2 for Germany. Handle with appropriate personal protective equipment in a well-ventilated area. Avoid dust formation and inhalation. Further safety information is available on the Safety Data Sheet (SDS).
How is this product packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals with adherence to all relevant international regulations for safe transport. Specific packaging details are provided upon request.
How can I request a sample or quote?
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To request a sample or a quote for 3,3′,5-Triiodo-L-thyronine sodium salt hydrate, please contact our sales department via the website or by phone. Our team will be pleased to assist you.
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