Levothyroxine Impurity 54

Impurity reference standard · Levothyroxine

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2D structure · drawn from the SMILES record
CAS number
—
Molecular formula
C18H16I4N2O5S
Molecular weight
880.01
Purity
95%+
Storage
2℃ ~ 8℃
Parent compoundLevothyroxine11 impurities listed Request a quote Search the full catalogue

About Levothyroxine Impurity 54

Levothyroxine Impurity 54 is a specified impurity of Levothyroxine. It has no single publicly registered CAS number, so it is defined by the structure and molecular formula below.

The compound is characterised by its molecular formula C18H16I4N2O5S and a molecular weight of 880.01, with the two-dimensional structure shown above. Because it shares the Levothyroxine scaffold, it is typically used to track process-related and degradation impurities of Levothyroxine during method development, forced degradation and stability studies.

Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: 2℃ ~ 8℃.

Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.

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