PRODUCT NAME: 5,5'-Dithiobis(2-nitrobenzoic Acid)
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	BUD-240
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	69-78-3
Mol. Formula	C14H8N2O8S2
Molecular Wt	396.34
IUPAC	5-[(3-carboxy-4-nitrophenyl)disulfanyl]-2-nitrobenzoic acid
Synonyms	Bis(3-carboxy-4-nitrophenyl) Disulfide DTNB Ellman's Reagent;2,2'-Dinitro-5,5'-dithiodibenzoic Acid; 3,3'-Dithiobis(6-nitrobenzoic Acid); 5,5'-Dithiobis[2-nitrobenzoic Acid];
Long Term Storage Condition	Keep container tightly closed in a dry and well-ventilated place
Handling instruction	Sample COA

Test	Results
Appearance	Light yellow to Yellow powder to crystal
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), Ethyl Acetate (Very Slightly, Heated)
Purity	NLT 98.0% BY (T)(HPLC)
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