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

Catalogue Number	BUD-240
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	69-78-3
Mol. Formula	C14H8N2O8S2
Molecular Wt	396.34
Long Term Storage Condition	Keep container tightly closed in a dry and well-ventilated place	Handling instruction	Sample COA
IUPAC	5-[(3-carboxy-4-nitrophenyl)disulfanyl]-2-nitrobenzoic acid
Chemical Name	5,5'-Dithiobis(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];

Test	Results
Appearance	Light yellow to Yellow powder to crystal
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98.0% BY (T)(HPLC)
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	DMSO (Slightly), Ethyl Acetate (Very Slightly, Heated)
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption