PRODUCT NAME: Pregabalin USP Related Compound C
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	PRG-006
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	61312-87-6
Mol. Formula	C₈H₁₅NO
Molecular Wt	141.21
Long Term Storage Condition	Store at 2-8 °C	Handling instruction	Sample COA
IUPAC	4-(2-methylpropyl)pyrrolidin-2-one
Chemical Name	Pregabalin USP Related Compound C
Synonyms	4-(2-Methylpropyl)-2-pyrrolidinone; Pregabalin USP Related Compound C; Pregabalin lactam impurity; Pregabalin impurity IV; 4-Isobutyl-2-pyrrolidinone (pregabalin lactam impurity); Pregabalin Lactum impurity

Test	Results
Appearance	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 (Slightly), Ethyl Acetate (Slightly), Methanol (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