HPLC Analysis of N-Acetyltryptophan Enantiomers on Astec^® CHIROBIOTIC^® T

column

CHIROBIOTIC T, 25 cm x 4.6 mm I.D., 5 μm particles (12024AST)

mobile phase

[A] 20 mM ammonium acetate; [B] methanol; (70:30, A:B)

flow rate

1 mL/min

column temp.

25 °C

detector

UV, 220 nm

injection

5 μL

sample

5 mg/mL in methanol