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
Identification by 13C NMR	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