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100 mm, 2.1 mm I.D., 1.7 µm Quasar C8 LC Column

Quasar C8 LC columns, based on ultra high purity silica and manufactured to tight specification, offer less retention when compared to the C18 phase, due to the lower hydrophobicity. They yield high efficiency separations and excellent peak shapes for a wide range of compounds.

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Particle Size
Inner Diameter
List Price
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1.7 µm
100.0 mm
2.1 mm
667.00 USD
1.7 µm
50.0 mm
2.1 mm
667.00 USD
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  • For separations that require less retention than a C18 phase
  • More hydrophobic compounds, both charged and neutral
  • Lipids and steroids
  • Guard cartridges available
  • USP Code: L7


Inner Diameter 2.1 mm
Length 100.0 mm
Particle Size 1.7 µm
Product Brand Name Quasar
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Application Brief

HPLC Analysis of Omeprazole Using a Quasar C8 Column in Accordance with the United States Pharmacopeia

Omeprazole belongs to a class of drugs known as Proton Pump Inhibitors (PPI’s). It is used in the treatment of conditions relating to overactive stomach acid such as gastroesophageal reflux disease, peptic ulcers and Zollinger-Ellison syndrome. The World Health Organization regards omeprazole among its ‘List of Essential Medicines’ which outlines the most effective and safest medicines required by a countries healthcare system to meet its needs. Omeprazole is a very commercially important drug, being ranked as the 7th most prescribed drug in the USA in 2017 with over 58 million prescriptions. This application brief describes the use of a Quasar C8 column for the analysis of omeprazole in accordance with the United States Pharmacopoeia (USP) monograph.

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