ISO 17025 ACCREDITED • RESEARCH PEPTIDE SPECIALISTS

Toronto’s Most Trusted Research Peptide Testing Laboratory

Precision HPLC, LC-MS/MS, and advanced analytical testing for research peptides, custom sequences, and therapeutic candidates. Purity. Identity. Confidence.

3–5 Day Turnaround
HPLC + LC-MS/MS
ISO 17025 Accredited
Request Peptide Testing → Call 1-888-NEXUS11

📍 Toronto, Ontario • Same-day sample pickup available

Advanced Analytical Capabilities for Peptides

State-of-the-art instrumentation for research peptide purity, identity, and impurity profiling

HPLC Purity Analysis

High-performance liquid chromatography for precise peptide purity determination and related substance profiling.

LC-MS/MS Identity Confirmation

High-resolution mass spectrometry for molecular weight confirmation, sequence verification, and impurity identification.

Residual Solvents & Impurities

GC-MS and LC-MS for synthesis residuals, degradation products, and comprehensive impurity profiling.

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Research Peptide Testing Services

Comprehensive analytical support for peptide researchers, biotech, and pharmaceutical development

Peptide Purity Testing

HPLC-UV and charged aerosol detection for accurate purity assessment.

Mass Spec Identity

Exact mass confirmation and structural characterization via LC-MS/MS.

Impurity Profiling

Related substances, deletion sequences, and process impurities.

Heavy Metals & Elements

ICP-MS testing for elemental impurities per ICH Q3D guidelines.

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About Nexus Peptide Testing

Founded in Toronto in 2023, Nexus Peptide Testing is an ISO 17025 accredited laboratory specializing in high-precision analytical testing for research peptides and custom peptide sequences. Our team of experienced analytical chemists delivers fast, reliable results to support your research, development, and quality control needs.

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Latest Insights

Expert guidance on peptide analysis and quality

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📊

Understanding Peptide Purity: What Your HPLC Report Really Means

June 2026 • 7 min read

A practical guide for researchers interpreting purity data, related substances, and acceptance criteria.

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🔬

LC-MS/MS for Peptide Identity Confirmation: Best Practices

May 2026 • 8 min read

How high-resolution mass spectrometry ensures your peptide sequence matches the intended design.

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🧪

Residual Solvents in Synthetic Peptides: Regulatory Expectations

April 2026 • 6 min read

Key considerations for residual solvent testing in research and clinical-stage peptides.

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Ready to test your peptides?

Get a fast, no-obligation quote for your research peptide testing needs. Typical turnaround: 3–5 business days.

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Or call 1-888-NEXUS11 • Same-day pickup in Toronto