PRODUCT NAME: Tadalafil EP Impurity A
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	TAD-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	171596-27-3
Mol. Formula	C₂₂H₁₉N₃O₄
Molecular Wt	389.40
Synonyms	(6R,12aS)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methylpyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione; (6R-cis)-6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-‡hexahydro-2-methylpyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione; Tadalafil EP Impuri
Long Term Storage Condition	Refrigerator
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	Chloroform (Slightly), 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