PRODUCT NAME: Labetalol Nitroso EP Impurity F
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	NIO-543
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	NA
Mol. Formula	C19H21N3O4
Molecular Wt	355.4
Long Term Storage Condition	Keep container tightly closed in a dry and well-ventilated place	Handling instruction	Sample COA
Chemical Name	Labetalol Nitroso EP Impurity F
Synonyms	(S)-2-Hydroxy-5-((S)-N-nitroso-N-(4-phenylbutan-2-yl)glycyl)benzamide

Test	Results
Appearance
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