PRODUCT NAME: Letrozole EP Impurity E
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	LET-002
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	2170106-13-3
Mol. Formula	C₁₇H₁₅N₅O₂
Molecular Wt	321.34
Long Term Storage Condition	Keep container tightly closed in a dry and well-ventilated place	Handling instruction	Sample COA
Chemical Name	Letrozole EP Impurity E
Synonyms	Letrozole di-Amide

Test	Results
Appearance	White to off white solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption