PRODUCT NAME: Oxipurinol 13C 15N2
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	APN-016
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	1217036-71-9
Mol. Formula	C413CH4N215N2O2
Molecular Wt	155.1 g/mol
IUPAC	1,7-Dihydro-4H-pyrazolo[5,4-d]pyrimidine-4,6(5H)-dione-3-13C-1,2-15N2
Synonyms	1,7-Dihydro-4H-pyrazolo[5,4-d]pyrimidine-4,6(5H)-dione-3-13C-1,2-15N2
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
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