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

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

Test	Results
Appearance
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
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