Reprospher 200 Phenyl

Wide-Pore Aromatic Reversed-Phase Column for π–π Selectivity and Large Molecule Separation

Reprospher 200 Phenyl is a reversed-phase HPLC column from Dr. Maisch HPLC GmbH, packed with high-purity, fully porous silica featuring a 200 Å pore size and bonded with phenyl ligands. This aromatic phase provides distinct π–π interaction capabilities, enabling enhanced selectivity for planar, aromatic, and electron-rich analytes — especially in the separation of peptides, protein fragments, and bioactive molecules. The wide-pore structure allows efficient access for larger compounds, while the phenyl surface offers an orthogonal retention profile compared to C18 and C8 phases.

This wide-pore phenyl phase from Dr. Maisch HPLC GmbH is ideal for the selective and reproducible separation of large or aromatic analytes in demanding reversed-phase workflows.

Key Features:

  • Phenyl bonded reversed-phase phase – USP L11 classification

  • Fully porous silica with 200 Å pore size for peptides and large analytes

  • π–π interaction for improved selectivity of aromatic and polar compounds

  • Excellent peak shape and retention stability

  • Available in 5 µm

Typical Applications:

  • Aromatic peptides, bioactive molecules, and protein fragments

  • Structural isomers and π-electron-rich compounds

  • Method development with orthogonal selectivity to C18 phases

  • Reversed-phase LC-MS and UV detection of complex mixtures

Specifications

Request Product
Particle Size
  • 5 µm
Pore Size 200 Å
Surface Area 160 m²/g
Phase/Modification Phenyl
Particle Type
Separation Mode
USP Code
Endcapping Yes
Carbonload 5 %
pH Range 2 to 8

Material Number

Phase Material Number
Reprospher 200 Phenyl, 5 µm rs25.pe.
Reprospher 200 C30-DE Reprospher 200 SAX

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

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