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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 23667619Generated: October 23, 2026

Levothyroxine sodium monohydrate

https://huagongshe.com/en/chemical/23667619

Levothyroxine sodium monohydrate molecular structure

Identifiers & Physical Properties

CAS No.25416-65-3
Molecular formulaC15H12I4NNaO5
Average molar mass816.87 g/mol
SMILESN[C@@H](Cc1cc(I)c(Oc2cc(I)c(O)c(I)c2)c(I)c1)C(=O)[O-].O.[Na+]
InChIKeyANMYAHDLKVNJJO-LTCKWSDVSA-M
PubChem CID23667619
ChEBICHEBI:6447
EC No.685-634-1

Chemical & Physical Properties

Topological polar surface area96.6
Hydrogen bond donors3
Hydrogen bond acceptors6
Rotatable bonds5
Heavy atoms26
Formal charge0
Complexity426

Safety & Regulations

GHS classificationDangerH361 (25%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]P203, P260, P264, P270, P280, P318, P319, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 4 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSTOT RE 1 (75%)