3,5-Diiodo-L-tyrosine
Also known as: 3,5-Diiodo-L-tyrosine dihydrate, 3,5-Diiodotyrosine, Diiodotyrosine, L-3,5-Diiodotyrosine, 3,5-Diiodo-4-hydroxy-β-phenylalanine, 4-Hydroxy-3,5-diiodophenylalanine, (S)-2-amino-3-(4-hydroxy-3,5-diiodophenyl)propanoic acid, 3',5'-diiodo-L-tyrosine, 3,5-Diiodotyrocine, 3,5-diiodo-l-tyrosin, AGONTAN, DITYRIN, IODOGORGOIC ACID, H-Tyr(3,5-I2)-OH, H-L-Tyr(3,5-I2)-OH, L-Tyrosine, 3,5-diiodo-, hydrate (1:2), Liothyronine EP Impurity B, EINECS 206-092-0, MFCD00016542
3,5-Diiodo-L-tyrosine (CAS 300-39-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9I2NO3 and a molecular weight of 432.98300 g/mol. Key properties include a melting point of 200 °C (dec.)(lit.), a boiling point of 410.5ºC at 760 mmHg, a density of 2.405g/cm3 and a flash point of 202.1ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 300-39-0
- Jingsj CID
- J-45638-2
- Molecular Formula
- C9H9I2NO3
- Molecular Weight
- 432.98300 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 200 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 410.5ºC at 760 mmHg |
| Density | 2.405g/cm3 |
| Flash Point | 202.1ºC |
| Exact Mass | 468.888306 |
| PSA | 102.01000 |
| LogP | 2.12750 |
| Refractive Index | 1.2 ° (C=5, 1mol/L HCl) |
| Additional Property | slightly soluble |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144. |
Customs & Trade Information
| HS Code | 2922509090 |
|---|---|
| Summary | 2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3,5-Diiodo-L-tyrosine?
The CAS number of 3,5-Diiodo-L-tyrosine is 300-39-0.
What are the molecular formula and molecular weight of 3,5-Diiodo-L-tyrosine?
3,5-Diiodo-L-tyrosine has molecular formula C9H9I2NO3 and molecular weight 432.98300 g/mol.
What are the upstream and downstream products of 3,5-Diiodo-L-tyrosine?
For 3,5-Diiodo-L-tyrosine, Upstream Products: L-Tyrosine, 3-Iodo-L-tyrosine, Ammonia; Downstream Products: L-Thyroxine, 4-Hydroxyphenylacetamide, L-Tyrosine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,5-Diiodo-L-tyrosine (CAS 300-39-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45638-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.