PRODUCT NAME: Tacrolimus Hydroxy Acid Impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	TRL-004
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1700657-83-5
Mol. Formula	C44H71NO13
Molecular Wt	822.03
Synonyms	(3S,4R,5S,8R,12S,14S,15R,16S,18R,25aS,E)- 8-Allyl-5,15,19-trihydroxy-3-{(E)-1-[(1R,3R,4R)-4-hydroxy-3- methoxycyclohexyl]prop-1-en-2-yl}-14,16-dimethoxy4,10,12,18-tetramethyl-1,7,20-trioxo1,3,4,5,6,7,8,11,12,13,14,15,16,17,18,19,20,22,23,24,25,25adocosahydropyrido[2,1-c][1]oxa[4]azacyclodocosine-19- carboxylic acid
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Off White 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	ACN:Water (7:3)
Purity	97.92 % by HPLC
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