CERTIFICATE OF ANALYSIS

PRODUCT NAME: Levothyroxine T4-Hydroxyacetic Acid
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number LEX-006
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 93647-48-4
Mol. Formula C14H8I4O5
Molecular Wt 763.83 g/mol
IUPAC 2-hydroxy-2-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]acetic acid
Synonyms α-Hydroxy-4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodobenzeneacetic Acid; 4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodomandelic Acid; T4-Hydroxyacetic Acid; Levothyroxine T4-Hydroxyacetic Acid;T4-Hydroxyacetic Acid (USP)
Long Term Storage Condition 2-8°C Hygroscopic, Refrigerator Under inert atmosphere
Handling instruction Sample COA
Test Results
Appearance Pale Brown Solid
Water content by KF/TGA Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100 Sample COA
Identification by HNMR Sample COA
Identification By IR Sample COA
Mass (ESI) Sample COA
Solubility
Purity NLT 95%
Analysis Date (Release Date) Sample COA
Attachments Sample COA
Other Information Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption
This is Sample COA