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

Catalogue Number	TRS-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	160972-33-8
Mol. Formula	C₁₇H₂₂N₄O₃S
Molecular Wt	362.45
IUPAC	1-butyl-3-[4-(3-methylanilino)pyridin-3-yl]sulfonylurea
Synonyms	USP Torsemide Related Compound B; N-[(Butylamino)carbonyl]-4-[(3-methylphenyl)amino]-3-pyridinesulfonamide; N-1-Butyl-1-demethylethyl Torsemide
Long Term Storage Condition	Storage at 2-8°C, Protect from light
Handling instruction	Sample COA

Test	Results
Appearance	White to 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	DMSO (Slightly), Methanol (Slightly)
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