PRODUCT NAME: 1,4-Benzoquinone-2-Sulfonic Acid
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	FIN-323
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	877-19-0
Alternate CAS Number	51368-42-4 (K Salt), 51579-78-3 (Na Salt)
Mol. Formula	C6H4O5S
Molecular Wt	188.16
Synonyms	3,6-dioxocyclohexa-1,4-diene-1-sulfonic acid; 1,4-Cyclohexadiene-1-sulfonic acid, 3,6-dioxo-
Long Term Storage Condition	Long term 2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	Yellow to green-yellow Crystalline 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 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