CERTIFICATE OF ANALYSIS

PRODUCT NAME: Brimonidine EP Impurity D
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number BMD-004
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 842138-74-3
Mol. Formula C₉H₇BrN₄S
Molecular Wt 283.15
IUPAC (5-bromoquinoxalin-6-yl)thiourea
Synonyms N-(5-Bromo-6-quinoxalinyl)thiourea
Long Term Storage Condition Refrigerator
Handling instruction Sample COA
Test Results
Appearance Pale Yellow 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 Acetone (Slightly, Heated), DMSO (Sparingly, Heated), Methanol (Very 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
This is Sample COA