Levothyroxine sodium pentahydrate

左旋甲状腺素钠五水合物

Also known as: Sodium levothyroxine pentahydrate, L-Thyroxine sodium salt pentahydrate, 3,3',5,5'-Tetraiodo-L-thyronine sodium salt pentahydrate, Sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate pentahydrate, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine monosodium salt pentahydrate, 3',3,5',5-Tetraiodo-L-thyronine sodium salt pentahydrate, Levothyroxine sodium pentahydrate

Levothyroxine sodium pentahydrate (CAS 6106-07-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H20I4NNaO9 and a molecular weight of 888.928 g/mol. It is also known as Sodium levothyroxine pentahydrate, L-Thyroxine sodium salt pentahydrate and 3,3',5,5'-Tetraiodo-L-thyronine sodium salt pentahydrate. Key properties include a melting point of 207-210 (dec.)(lit.) and a density of 2.381. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6106-07-6
Jingsj CID
J-21280-3
Molecular Formula
C15H20I4NNaO9
Chinese Name
左旋甲状腺素钠五水合物
Molecular Weight
888.928 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point207-210 (dec.)(lit.)
Density2.381
Exact Mass888.721436
PSA141.76000
LogP3.60140
Appearancepowder
Storage Conditions2-8°C
Additional Propertycell culture medium: 0.1 mg/mL

Activity & Biological Data

TargetThyroid Hormone Receptor
Additional Information[1]. Arici M, et al. Association between genetic polymorphism and levothyroxine bioavailability in hypothyroid patients. Endocr J. 2018 Jan 11. [2]. Corriveau S, et al. Levothyroxine treatment generates an abnormal uterine contractility patterns in an in vitro animalmodel. J Clin Transl Endocrinol. 2015 Sep 9;2(4):144-149.

Frequently Asked Questions

What is the CAS number of Levothyroxine sodium pentahydrate?

The CAS number of Levothyroxine sodium pentahydrate is 6106-07-6.

What are the molecular formula and molecular weight of Levothyroxine sodium pentahydrate?

Levothyroxine sodium pentahydrate has molecular formula C15H20I4NNaO9 and molecular weight 888.928 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Levothyroxine sodium pentahydrate (CAS 6106-07-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21280-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.