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

Catalogue Number	LEU-002
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	112642-11-2
Mol. Formula	C₅₉H₈₄N₁₆O₁₂
Molecular Wt	1209.42 g/mol
Long Term Storage Condition	-15°C	Handling instruction	Sample COA
IUPAC	(D-His2)-leuprolide)
Chemical Name	Leuprorelin EP Impurity B
Synonyms	[2-d-histidine]leuproreli;

Test	Results
Appearance	White to Off-White
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	DMSO (Sparingly), Ethanol (Slightly), Methanol (Slightly)
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