Peptide Analyses

Accurate and reliable peptide analysis is critical to advancing discovery and development programs. Even minor impurities or sequence errors can significantly impact biological activity, assay results, or downstream studies. Our LC-MS peptide analysis services provide the confidence and clarity researchers need to make informed decisions.

Peptide Purity Analysis

Purity Analysis by LC-MS Determines chemical purity and detects trace impurities, giving you confidence that your peptide meets assay or development requirements.

Chromatogram showing peaks at different retention times.

Peptide QC annotated with peak purity.

Peptide Mass Confirmation & Sample ID Confirmation

Confirms the molecular weight of your peptide with high accuracy, ensuring correct synthesis and sequence integrity. Verifies the identity of peptide samples (and contaminants) within complex workflows, preventing costly mix-ups and ensuring data integrity.

Graph showing multiple sharp peaks on a white background.

Extracted spectra of a 3k molecular weight peptide

A graph with multiple vertical spikes of varying heights on a white background.

Extracted spectra of a 7k molecular weight peptide.

Why Choose Rilas for Peptide Analysis?

By combining high-resolution chromatography with sensitive mass spectrometry, we deliver rapid, reliable, and reproducible data. This enables you to:

Confirm that the right peptide was synthesized
Ensure peptide material is clean and ready for biological testing
Streamline workflows by quickly identifying and verifying samples

With our expertise in LC-MS, you receive high-quality analytical data that supports confident decision making at every stage of peptide research.

Instrumentation:
Agilent 1290 Infinity II HPLC/MS
Agilent 1260 HPLC/UV/ELSD