PRODUCT NAME: Levothyroxine IHRS
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LEX-012
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	51-48-9
Mol. Formula	C22H19N3O4
Molecular Wt
IUPAC	(2S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate (as per EP) ; (O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosine)
Synonyms	O-(4-Hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine; (-)-Thyroxine; 3,3′,5,5″-Tetraiodo-L-thyronine; 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine;3,3',5,5'-Tetraiodo-L-thyronine; Henning; L-Thyroxin; Levothyroxine; Thyrax; Thyreoideum; Thyroxin; Thyroxinal; Tetraiodothyronine
Long Term Storage Condition	2-8°C Refrigerator, Under Inert Atmosphere
Handling instruction	Sample COA

Test	Results
Appearance	Tan 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 98%
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