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Pack Size Quantity Price (USD) Sub Total
2.5mg
$ 140.00 0.0
25mg
$ 1120.00 0.0
Exact Weight Packaging
$ 75.00 / Vial 0.0
Total $ 0.0
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Product Description

Catalogue Number: T296150
Chemical Name: 3,3',5,5'-Tetraiodo Thyroformic Acid, ~90%
Synonyms: 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzoic Acid; TFA 4; 3,3',5,5'-Tetraiodothyroformic Acid; 3,5-Diiodo-4-(3',5'-diiodo- 4'-hydroxyphenoxy)benzoic Acid; Tetraform; Levothyroxine EP Impurity H; T4-Benzoic Acid (USP)
Impurity: Levothyroxine EP Impurity H; T4-Benzoic Acid (USP)
CAS Number: 2055-97-2
Molecular Formula: C₁₃H₆I₄O₄
Appearance: Off-White to Light Brown Solid
Melting Point: >230°C (dec.)
Molecular Weight: 733.8
Storage: Refrigerator
Solubility: DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
Category: Standards; Pharmaceutical/API Drug Impurities/Metabolites;
Applications: 3,3',5,5'-Tetraiodo Thyroformic Acid (Levothyroxine EP Impurity H; T4-Benzoic Acid (USP)) is a thyroid hormone analogue and a potent Thyroxine impurity.
References