Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 92859Generated: October 23, 2026

3,5-Diiodothyronine, L-

3,5-T2 · diiodothyronine · 3,5-DIIODO-4-(4-HYDROXYPHENOXY)-L-PHENYLALANINE · L-T2 · Nsc90469 · abs42008180 · L-Diiodothyronine · Diiodo-L-thyronine

https://huagongshe.com/en/chemical/92859

3,5-Diiodothyronine, L- molecular structure

Identifiers & Physical Properties

CAS No.1041-01-6
Molecular formulaC15H13I2NO4
Average molar mass525.08 g/mol
Monoisotopic mass524.8934 g/mol
SMILESN[C@@H](Cc1cc(I)c(Oc2ccc(O)cc2)c(I)c1)C(=O)O
InChIKeyZHSOTLOTTDYIIK-ZDUSSCGKSA-N
PubChem CID92859
ChEMBLCHEMBL1743303
ChEBICHEBI:94696
DTXSIDDTXSID801016529

Chemical & Physical Properties

XLogP1.1
Topological polar surface area92.8
Hydrogen bond donors3
Hydrogen bond acceptors5
Rotatable bonds5
Heavy atoms22
Formal charge0
Complexity365
Collision Cross Section198.5 Ų [M+H]+ [CCS Type: DTMethod: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]188.2 Ų [M-H]- [CCS Type: DT189.4 Ų [M+Na]+ [CCS Type: DT189.2 Ų [M+Na]+198.4 Ų [M+H]+
Melting point255-260 °C (dec.)
Boiling point559.4±50.0 °C(Predicted)
Density2.095±0.06 g/cm3(Predicted)
Vapor pressure0.011Pa at 45℃
Storage conditionsKeep in dark place,Sealed in dry,Store in freezer, under -20°C
SolubilityAcidic Alcohol (Slightly), Aqueous Base (Slightly)20.147mg/L at 20℃
Physical stateSolid
pKa (acidity coefficient)2.15±0.30(Predicted)
ColorWhite to Light Brown
BRN2707891
StabilityHygroscopic
Major applicationspharmaceutical
InChI1S/C15H13I2NO4/c16-11-5-8(7-13(18)15(20)21)6-12(17)14(11)22-10-3-1-9(19)2-4-10/h1-6,13,19H,7,18H2,(H,20,21)/t13-/m0/s1
InChIKeyZHSOTLOTTDYIIK-ZDUSSCGKSA-N
SMILESIc1c(c(cc(c1)C[C@H](N)C(=O)O)I)Oc2ccc(cc2)O
LogP (partition coefficient)1.1 at 25℃
CAS DataBase Reference1041-01-6(CAS DataBase Reference)
FDA UNIICAL3MRM51F
UNSPSC Code41116107
NACRESNA.24
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302
GHS precautionary statementsP280-P305+P351+P338
Hazard symbolsXn
Risk statements (R)22
Safety statements (S)24/25
Water hazard class (WGK)3
F8
Customs code29225090
Storage class13 - Non Combustible Solids
Hazard classAquatic Chronic 3
REACH registrationsActive

Safety & Regulations

F8
Water hazard class (WGK)3
Customs code29225090
Risk statements (R)22
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXn
Safety statements (S)24/25
Storage class13 - Non Combustible Solids
GHS hazard statementsH302
REACH registrationsActive
Hazard classAquatic Chronic 3
GHS precautionary statementsP280-P305+P351+P338

Applications & Uses

Uses

3,5-Diiodo-L-thyronine is an iodinated thyronine hormone that regulates gene activity affecting processes such as homeostasis, lipid metabolism and insulin resistance.

Uses

Of interest for the early detection and treatment of congenital or drug-induced hypothyroidism.