Levothyroxine EP impurity J

SL-1294

Levothyroxine EP impurity J, >96%

CAS No. : [4604-41-5]

MDL No. : MFCD01863378

Synonyms : 3,3′-Diiodo-4-(4-hydroxyphenoxy)-L-phenylalanine; O-(4-Hydroxyphenyl)-3-,3′-diiodo-L-tyrosine; 3,3’-Diiodo-L-thyronine; T2

IUPAC Name : (S)-2-Amino-3-(4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl)propanoic acid

Price And Availability
Pack Size	Price in USD	Add To Shopping Cart	Availability	Shipping Status
100MG	55.00		In Stock	Estimated to ship on 20 September 2026
250MG	105.00		In Stock	Estimated to ship on 20 September 2026
1G	345.00		In Stock	Estimated to ship on 20 September 2026
5G	1245.00		In Stock	Estimated to ship on 20 September 2026

Applications : This is a metabolite of thyroid hormone that is also known as T2 or 3,3’-T2. It is derived enzymatically from triiodothyronine isoforms T3 and reverse T3. T2 and its analog 3,5-T2 stimulate the activity of cytochrome c oxidase by blocking inhibition by ATP.

References : Pinna G. H. et al. J. Clinical Endocrinol. and Meta., 83(9), 3071,1998; Goglia F. et al. FEBS Letters 346(2-3), 295,1994; Arnold S. et al.: E. J. Biochemistry 252(2), 325,1998.

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.