Product Information

Levothyroxine EP Impurity H

Catalogue number	LEX-004
Product Name	Levothyroxine EP Impurity H
Sub Category	Pharma Reference Standard; Pharmaceutical/API Drug Impurities/Metabolites
API	Levothyroxine
CAS Number	2055-97-2
HS Code	29339900
Molecular formula	C13H6I4O4
Molecular Weight	733.80 g/mol
Synonyms	"3,3',5,5'-Tetraiodothyroformic acid; Benzoic acid, 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo- Tetraiodothyroformic Acid; T4-Benzoic acid
Chemical Name	4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid
Appearance	Pale Yellow to Light Brown Solid
Storage	2-8°C Refrigerator
Applications	Can be used as a reference standard
Information	Levothyroxine EP Impurity H is chemically 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid (as per EP) ; 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic acid (as per USP). It is also known as T4-Benzoic Acid (USP) ; Levothyroxine Benzoic Acid Impurity ; Levothyroxine USB H. Levothyroxine EP
Shipping Condition	Ambient
Inventory Status	Please Enquire
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Product Overview Technical Data

Chemical Name: Levothyroxine EP Impurity H

Synonym: "3,3',5,5'-Tetraiodothyroformic acid; Benzoic acid, 4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodo- Tetraiodothyroformic Acid; T4-Benzoic acid