PRODUCT NAME: Thiocolchicoside EP Impurity A
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	THI-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	64-86-8
Mol. Formula	C22H25NO6
Molecular Wt	399.4 g/mol
IUPAC	N-[(7S,12aRa)-1,2,3,10-Tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide
Synonyms	Colchicine;
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	White to Orange to Green powder to crystaline
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	Soluble In Water, Methanol
Purity	NLT 97%
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