Levothyroxine hydroxyphenoxy aldehyde impurity

SL-1275

Levothyroxine hydroxyphenoxy aldehyde impurity, >98%

CAS No. : [2828-49-1]

MDL No. : MFCD30719594

Synonyms : 3,5-Diiodo thyroaldehyde

IUPAC Name : 4-(4-Hydroxyphenoxy)-3,5-diiodo-benzaldehyde

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10MG	Request A Quote		Back Order	Estimated to ship on 04 October 2026
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100MG	Request A Quote		In Stock	Estimated to ship on 20 September 2026

Applications : This is an impurity of L-Thyroxine, which is a synthetic hormone in the treatment of hypothyroidism. DIO enzymes convert biologically active thyroid hormone (Triiodothyronine,T3) from L-Thyroxine (T4).

References : Arici M. et al.: Endocr J. 65(3), 317, 2018; Corriveau S. et al.: J. Clin Transl Endocrinol. 2(4),144, 2015.

Storage : Keep container tightly closed under nitrogen or argon and refrigerate for long-term shelf life.

Caution : In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.