HPLC

Welcome to the column screening application that allows you to instantly narrow down all the column choices to the perfect solution for your method. Find your ideal column match based on compound characteristics, pharmacopeia classification, application, or recommended alternative.

for Reversed Phase Columns

USP
Classification

Compound

Application

Recommended Alternative

USP Classification
Compound
Application
Recommended Alternative

Screen by USP Classification

Select USP Classification

Select the corresponding USP "L" designation for the column phase needed.

L1	C18 - Octadecyl silane
L7	C8 - Octyl silane
L8	NH₂ - Aminopropyl silane
L10	CN - Nitrile group
L11	Phenyl
L43	PFP - Pentafluorophenyl

Screen by Compound Characteristics

Select Main Compound Structure

Select Functionality Difference

Step 1: Main Compound Structure - Choose the best description of the main compound structures of the two compounds that make up the critical pair.

Step 2: Functionality Differences - Select the best description of the difference between functional groups on the two compounds that make up the critical pair.