PRODUCT NAME: Dapsone EP Impurity D
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	DPS-005
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	27147-69-9
Mol. Formula	C12H12N2O2S
Molecular Wt	248.3 g/mol
IUPAC	2-(4-Aminobenzene-1-sulfonyl)aniline
Synonyms	2,4'-Diaminodiphenyl Sulphone; 2-((4-Aminophenyl)sulfonyl)aniline; 4,2′-Bis(aminophenyl) Sulfone; 2-(4-Aminophenyl)sulfonylaniline; 2,4′-Diaminophenyl Sulfone; 2,4′-Diaminodiphenyl Sulfone
Long Term Storage Condition	Cool, dry, and well-ventilated place
Handling instruction	Sample COA

Test	Results
Appearance	Off-white to light yellow or light brown crystalline 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
Purity	NLT 98%
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