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Levothyroxine beta-Hydroxy T4 Impurity

Catalogue number	LEX-005
Product Name	Levothyroxine beta-Hydroxy T4 Impurity
Sub Category	Pharma Reference Standard; Pharmaceutical/API Drug Impurities/Metabolites
API	Levothyroxine
CAS Number	107849-54-7
HS Code	29339900
Molecular formula	C15H11I4NO5
Molecular Weight	792.87 g/mol
Synonyms	β-Hydroxy-T4; 2-Amino-3-hydroxy-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic acid; O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-β-hydroxy-l-tyrosine; β-Hydroxy-T4 (USP)
Chemical Name	(2S)-2-amino-3-hydroxy-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid
Appearance	Off white solid
Storage	2-8°C Refrigerator
Applications	Can be used as a reference standard
Information	ß-Hydroxy Thyroxine (USP) is chemically O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-ß-hydroxy-l-tyrosine; ß-Hydroxy-T4 (as per USP). It is also known as Levothyroxine beta-Hydroxy T4 Impurity. ß-Hydroxy Thyroxine (USP) is supplied with detailed characterization data compliant with regulatory guideline
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Product Overview Technical Data

Chemical Name: Levothyroxine beta-Hydroxy T4 Impurity

Synonym: β-Hydroxy-T4; 2-Amino-3-hydroxy-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic acid; O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-β-hydroxy-l-tyrosine; β-Hydroxy-T4 (USP)