Category
Levothyroxine
CAS Number
51-48-9
Alternate CAS Number
25416-65-3(Na Salt);55-03-8(Sodium Salt)
Molecular Formula
C15H11I4NO4
Molecular Weight
776.87 g/mol
Synonym

(2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid; O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine; (-)-Thyroxine; 3,3′,5,5″-Tetraiodo-L-thyronine; 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine;3,3',5,5'-Tetraiodo-L-thyronine; Henning; L-Thyroxin; Levothyroxine; Thyrax; Thyreoideum; Thyroxin; Thyroxinal; Tetraiodothyronine

Keywords
Intermediates
Heterocycles
Pharmaceutical Standards
Amines
Aromatics
Fine Chemicals
slide.1
Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Levothyroxine Standard is a high-purity, pharmaceutical-grade reference material used in laboratories to ensure the identity, potency, and quality of levothyroxine in drug formulations. It serves as a benchmark in analytical testing, such as chromatography, helping manufacturers and quality-control laboratories verify that levothyroxine products meet pharmacopoeial standards and deliver consistent therapeutic efficacy.