CERTIFICATE OF ANALYSIS

PRODUCT NAME: p-Naphtholbenzein
Date of Mfg: Sample COA RETEST DATE: Sample COA
Catalogue Number FIN-159
Item/Batch Number Sample COA
Quantity Sample COA
CAS Number 145-50-6
Mol. Formula C27H18O2
Molecular Wt 374.44
IUPAC (4E)-4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one
Synonyms 4,4′-(α-Hydroxybenzylidene)di-1-naphthol
Long Term Storage Condition 2-8°C Refrigerator
Handling instruction Sample COA
Test Results
Appearance Orange to Amber to Dark red powder to crystal
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 Insoluble in water
Purity NLT 95 %
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