PRODUCT NAME: Pregabalin Lactam impurity
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	PRG-003
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	181289-23-6
Mol. Formula	C₈H₁₅NO
Molecular Wt	141.21
Long Term Storage Condition	Refrigerator	Handling instruction	Sample COA
Chemical Name	Pregabalin Lactam impurity
Synonyms	(S)-4-(2-Methylpropyl)-2-pyrrolidinone; (S)-4-(Isobutyl)pyrrolidin-2-one; Pregabalin EP impurity A

Test	Results
Appearance	White to Off-White Low-Melting Solid
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	Chloroform, Ethyl Acetate (Slightly)
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