Click HERE for Frequently Asked Questions (FAQ) about Cogent Diol 2.o™.

Click HERE for TYPE-C™ Column Information.


Click HERE for Application Notes.


Our goal is to provide the best Customer Experience possible. If you cannot find what you are looking for, have any questions or would like to give us a suggestion please use any of the following ways to contact us directly. We would love to hear from you.

  • Call us: 8:30AM – 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Customer Support


We are always ready to lend any support we can. Our experienced scientists and professionals are ready to assist you with any technical support questions. Every question is considered a good question and we will work with you on a solution as fast as possible.

  • Call us: 8:30AM – 6:00PM EST 1-732-380-8900 and hit 0#

  • Fax to us: 1-910-769-9435

  • Email Technical Support


RP, NP & ANP | Excellent for polar compounds | SFC | TYPE-C™ silica.

These useful, HPLC columns, due to proprietary bonding is a very stable, efficient and unique Diol column that operates in 3 different HPLC modes: reversed phase (RP), normal phase (NP) and aqueous normal phase (ANP).

With extremely fast equilibration between gradient runs, these columns are a popular choice for polar compounds using HPLC or LCMS.

A very powerful tool for every separations lab; they are suitable for SFC as well as HPLC or LCMS.

  • Click HERE to view specifications.

  • Click HERE for more information about TYPE-C columns.

  • Click HERE for "How to use cogent diol columns".

NOTE: Our technical support team strongly recommends that the Cogent column filter, included with each column, be used with all HPLC columns whenever possible. Click HERE for details.

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