A gamma-Aminobutyric Acid (GABA) Derivative 

This challenging polar compound is easily retained in this simple Method where repeatability of the data is excellent with %RSD<0.1 for the Retention Times.

4-(Methylamino)butyric Acid

Method Conditions:
Column: Cogent Diamond Hydride™, 4μm, 100Å
Catalog No.: 70000-15P-2
Dimensions: 4.6 x 150mm
Mobile Phase:
A: DI Water with 0.1% Formic Acid
B: Acetonitrile with 0.1% Formic Acid

Time (minutes) %B
0 80
5 30
6 30
7 80

Injection vol.: 1μL
Flow rate: 1.0mL / minute
Detection: ELSD (Evaporative Light Scattering Detector)
Sample Preparation: 4-(Methylamino) Butyric Acid 0.1mg / mL in 50:50 Acetonitrile / DI Water

Note: 4-(Methyamino)butyric acid is a GABA (gamma Aminobutyric Acid) derivative and product of N-methyl-2-pyrrolidione.  It inhibits L-Carnitine from undergoing beta-oxidation in mammals.  In bacteria it is a product of nicotine catabolism.  It is found in skin products to prevent wrinkles.