PRODUCT NAME: Vonoprazan Impurity 57
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	VNP-011
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	126092-21-5
Mol. Formula	C7H9NO3S
Molecular Wt	187.22 g/mol
IUPAC	ethyl pyridine-2-sulfonate
Synonyms	Ethyl pyridine-2-sulfonate
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	white to off-white solid powder
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	Soluble in DMSO, methanol, acetonitrile
Purity	NLT 95%
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