Ultrasep ES Pharm-RP8e

Endcapped C8 HPLC Column for Pharmaceutical Analysis

Ultrasep ES Pharm-RP8e is a silica-based HPLC column with an endcapped C8 bonded phase, optimized for pharmaceutical applications requiring balanced hydrophobicity and reduced silanol activity. The endcapping process minimizes secondary interactions, leading to sharper peak shapes and improved reproducibility, particularly for basic and polar analytes.

Compared to conventional C18 phases, the shorter C8 chains provide faster elution while maintaining reliable selectivity. This makes Pharm-RP8e a highly versatile option for pharmaceutical quality control, impurity profiling, and stability-indicating assays.

Ultrasep ES Pharm-RP8e combines balanced hydrophobicity with reduced silanol activity – the reliable choice for pharmaceutical HPLC separations where reproducibility and peak symmetry are critical.

Key Features:

  • Silica-based stationary phase with endcapped C8 bonded chemistry

  • Reduced silanol activity for improved peak symmetry

  • Balanced hydrophobic retention for faster separations

  • High reproducibility and robust lifetime under routine use

  • Available particle size: 5 µm

Typical Applications:

  • Pharmaceutical impurity profiling and stability testing

  • Analysis of basic and polar drugs with improved peak shapes

  • Quality control in pharmaceutical production

  • Method development requiring reduced secondary interactions

Specifications

Request Product
Particle Size
  • 5 µm
Pore Size 100 Å
Particle Type
Separation Mode
USP Code
Endcapping Yes
pH Range 2 - 8

Material Number

Phase Material Number
Ultrasep ES Pharm-RP8e, 5 µm u15.p8e.
Ultrasep ES Pharm-RP8 Ultrasep ES Pharm-RP8EA

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info@dr-maisch.com +49 7073 5035 7

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