PRODUCT NAME: Allopurinol EP Impurity B
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	APN-004
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	22407-20-1
Mol. Formula	C₅H₆N₄O₂
Molecular Wt	154.13
IUPAC	5-formamido-1H-pyrazole-4-carboxamide
Synonyms	3-Formamidopyrazole-4-carboxamide; Allopurinol Impurity B; USP Allopurinol Related Compound B; Allopurinol EP Impurity B; 3-(Formylamino)-1H-pyrazole-4-carboxamide
Long Term Storage Condition	Store At 2-8°C
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	DMSO (Slightly), Methanol (Slightly)
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