PRODUCT NAME: Allopurinol EP Impurity A (Sulfate)
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	APN-009
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	27511-79-1
Alternate CAS Number	5334-31-6(Freebase)
Mol. Formula	2(C4H6N4O) : H2O4S
Molecular Wt	2(126.1) : 98.1 g/mol
IUPAC	5-Amino-1H-pyrazole-4-carboxamide
Synonyms	3-Amino-Pyrazole-4-carboxamide Hemisulfate; Allopurinol Related Compound A; 5-Amino-1H-pyrazole-4-carboxylic acid amide
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Off-White to Pale Yellow 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