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

Catalogue Number	DPS-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	7019-01-4
Mol. Formula	C12H11NO2S
Molecular Wt
IUPAC	4-(Benzenesulfonyl)aniline
Synonyms	4-Aminodiphenyl Sulphone; 4-Phenylsulfonylaniline; 4-(Phenylsulfonyl)aniline; 4-(Phenylsulfonyl)benzenamine; p-(Phenylsulfonyl)aniline; 4-(Benzenesulphonyl)phenylamine; 4-(Phenylsulfonyl)benzenamine;4-Aminophenyl Phenyl Sulfone; 4-Phenylsulfonylaniline; Phenyl p-Aminophenyl Sulfone; [4-(Phenylsulfonyl)phenyl]amine; p-Aminodiphenyl Sulfone; p-Aminophenyl Phenyl Sulfone; p-Phenylsulfonylaniline; 4-Aminodiphenyl Sulfone
Long Term Storage Condition	2-8°C Refrigerator, Under Inert Atmosphere
Handling instruction	Sample COA

Test	Results
Appearance	Off-White 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 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