PRODUCT NAME: Ibuprofen EP Impurity K
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	IBU-002
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	43153-07-7
Mol. Formula	C₁₀H₁₀O₃
Molecular Wt	178.18
IUPAC	2-(4-formylphenyl)propanoic acid
Synonyms	4-Formyl-α-methylbenzeneacetic Acid ; 2-(p-Formylphenyl)propionic Acid
Long Term Storage Condition	Store in 2- 8 °C
Handling instruction	Sample COA

Test	Results
Appearance	White to 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	DMSO (Slightly), Methanol (Slightly)
Purity	NLT 95 % by HPLC
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