PRODUCT NAME: Adenosine Impurity 21
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ADS-032
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	146426-20-2
Mol. Formula	C16H22N6O8
Molecular Wt	426.4 g/mol
IUPAC	2-(3-(9-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)ureido)-3-hydroxypentanoic acid
Synonyms	2-(3-(9-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)ureido)-3-hydroxypentanoic acid; Norvaline, 3-hydroxy-N-[[(9-β-D-ribofuranosyl-9H-purin-6-yl)amino]carbonyl]
Long Term Storage Condition	-20°C (desiccated)
Handling instruction	Sample COA

Test	Results
Appearance	White to off-white amorphous 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