Levothyroxine sodium hydrate - ≥98% , CAS No.25416-65-3

CAS: 25416-65-3 Cat. No.: T113354 Molecular Weight: 798.86 (anhydrous basis) EC Number: 685-634-1 PubChem CID: 23667619
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Levothyroxine sodium | 3,3′,5,5′-Tetraiodo-L-thyronine monosodium salt hydrate, L-Thyroxin monosodium salt hydrate | Sodium O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine hydrate hydrate | L-Thyroxine sodium xhydrate | Sodium levothyroxine | Levothy
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
T113354-100mg
2
$9.90
1g
T113354-1g
1
$18.90
5g
T113354-5g
1
$62.90
25g
T113354-25g
1
$219.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Application
Levothyroxine sodium hydrate is a synthetic hormone in the treatment of hypothyroidism. DIO enzymes convert biologically active hormone (Triiodothyronine,T3) from L-Thyroxine (T4).

Specifications

Synonyms
Levothyroxine sodium | 3, 3′, 5, 5′-Tetraiodo-L-thyronine monosodium salt hydrate, L-Thyroxin monosodium salt hydrate | Sodium O-(4-hydroxy-3, 5-diiodophenyl)-3, 5-diiodo-L-tyrosine hydrate hydrate | L-Thyroxine sodium xhydrate | Sodium levothyroxine | Levothy
Specifications & Purity
≥98%
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504769542
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504769542
Canonical SmilesC1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)CC(C(=O)[O-])N.O.[Na+]
IUPAC Namesodium;(2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate;hydrate
InChIKeyANMYAHDLKVNJJO-LTCKWSDVSA-M
INCHI1S/C15H11I4NO4.Na.H2O/c16-8-4-7(5-9(17)13(8)21)24-14-10(18)1-6(2-11(14)19)3-12(20)15(22)23;;/h1-2,4-5,12,21H,3,20H2,(H,22,23);;1H2/q;+1;/p-1/t12-;;/m0../s1
Isomeric SMILES C1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)C[C@@H](C(=O)[O-])N.O.[Na+]
Alternate CAS 55-03-8;50809-32-0
PubChem CID 23667619
Molecular Weight 798.86 (anhydrous basis)

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives
Direct ParentPhenylalanine and derivatives
Alternative Parents Diphenylethers  Phenylpropanoic acids  Diarylethers  Amphetamines and derivatives  L-alpha-amino acids  Phenoxy compounds  Phenol ethers  O-iodophenols  Aralkylamines  Iodobenzenes  Aryl iodides  Amino acids  Carboxylic acid salts  Organic metal halides  Monocarboxylic acids and derivatives  Carboxylic acids  Hydrocarbon derivatives  Monoalkylamines  Organic oxides  Carbonyl compounds  Organic sodium salts  Organic zwitterions  Organoiodides  Organopnictogen compounds  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Phenylalanine or derivatives - Diphenylether - 3-phenylpropanoic-acid - Diaryl ether - Alpha-amino acid - Amphetamine or derivatives - L-alpha-amino acid - Phenoxy compound - Phenol ether - 2-iodophenol - 2-halophenol - Phenol - Iodobenzene - Halobenzene - Aralkylamine - Aryl halide - Aryl iodide - Benzenoid - Monocyclic benzene moiety - Carboxylic acid salt - Amino acid - Organic metal halide - Carboxylic acid - Organic alkali metal salt - Ether - Monocarboxylic acid or derivatives - Organooxygen compound - Organopnictogen compound - Primary aliphatic amine - Organic zwitterion - Organic salt - Organic sodium salt - Organic oxygen compound - Amine - Hydrocarbon derivative - Carbonyl group - Organic oxide - Organic nitrogen compound - Primary amine - Organohalogen compound - Organoiodide - Organonitrogen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenylalanine and derivatives. These are compounds containing phenylalanine or a derivative thereof resulting from reaction of phenylalanine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

14 results found

Lot NumberCertificate TypeDateItem
E2629405Certificate of AnalysisMay 07, 2026 T113354
E2629406Certificate of AnalysisMay 07, 2026 T113354
E2629408Certificate of AnalysisMay 07, 2026 T113354
F2616079Certificate of AnalysisMay 07, 2026 T113354
L2120056Certificate of AnalysisOct 11, 2025 T113354
L2120050Certificate of AnalysisOct 11, 2025 T113354
A2621064Certificate of AnalysisNov 28, 2024 T113354
D2617035Certificate of AnalysisNov 28, 2024 T113354
L2410528Certificate of AnalysisNov 28, 2024 T113354
L2410529Certificate of AnalysisNov 28, 2024 T113354
L2410530Certificate of AnalysisNov 28, 2024 T113354
L2410531Certificate of AnalysisNov 28, 2024 T113354
L2410532Certificate of AnalysisNov 28, 2024 T113354
A2411085Certificate of AnalysisDec 22, 2021 T113354

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Chemical and Physical Properties
SolubilitySolubility:DMSO;
SensitivityMoisture sensitive
Molecular Weight816.870 g/mol
XLogP3
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count6
Rotatable Bond Count5
Exact Mass816.679 Da
Monoisotopic Mass816.679 Da
Topological Polar Surface Area96.600 Ų
Heavy Atom Count26
Formal Charge0
Complexity426.000
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
Citations of This Product
References
1. Lingyu Sun, Yu Wang, Feika Bian, Dongyu Xu, Yuanjin Zhao.  (2023)  Bioinspired optical and electrical dual-responsive heart-on-a-chip for hormone testing.  Science Bulletin,      [PMID:37062651] [10.1016/j.scib.2023.04.010]
2. Wanjiao Chen, Weimin Wang, Chuan-Fan Ding, Fangling Wu, Yifeng Mai.  (2023)  Precise analysis of thyroxine enantiomers in pharmaceutical formulation by mobility difference based on cyclodextrin.  Arabian Journal of Chemistry,      [PMID:] [10.1016/j.arabjc.2023.104718]
Solution Calculators
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