Skip to main contentSkip to main content

Peptide Testing Insights

Expert articles on peptide analysis, quality control, and analytical techniques from our laboratory scientists

From HPLC purity data and mass spectrometry guides to GLP-1 peptide testing trends and compounding pharmacy compliance, practical guidance for researchers and pharmacies.

Explore our peptide testing services →

All Articles — Page 4 of 5

Semaglutide GLP-1 peptide LC-MS identity confirmation and purity analysis
Peptide Testing

Semaglutide Testing: Quality Analysis for the Leading GLP-1 Receptor Agonist

Comprehensive guide to Semaglutide analytical testing, covering HPLC purity methods, mass spectrometry verification, and common quality issues in this blockbuster GLP-1 peptide.

Feb 11, 2026
10 min read
Scientist reviewing peptide testing lab documentation and method validation records
Lab Selection

How to Choose a Peptide Testing Lab: A Complete Guide

Learn the essential criteria for selecting a reliable peptide testing laboratory, including accreditation, equipment capabilities, turnaround times, and what to look for in quality reports.

Dec 10, 2025
8 min read
Researcher evaluating peptide testing lab capabilities with quality checklist
Lab Selection

Top 5 Questions to Ask Before Hiring a Peptide Testing Lab

Make an informed decision when choosing peptide testing labs by asking these critical questions about methodology, certifications, and quality assurance protocols.

Dec 10, 2025
6 min read
Peptide analysis laboratory equipped with HPLC and mass spectrometry instruments
Services Guide

Peptide and Protein Analysis Lab Services Explained

A comprehensive overview of peptide and protein analysis lab capabilities, from basic purity testing to advanced structural characterization and stability studies.

Dec 9, 2025
10 min read
Insulated shipping container with peptide sample vials and temperature monitor for remote testing
Lab Selection

Local vs. Remote Peptide Testing: Finding Labs Near You

Should you choose a peptide purity testing lab near you or work with a remote laboratory? Compare the benefits of local testing facilities versus specialized remote services.

Dec 9, 2025
7 min read
Complete guide to peptide testing showing HPLC chromatogram and purity results
Testing Methods

Complete Guide to Peptides Testing: Methods, Standards & Best Practices

Everything researchers need to know about peptides testing, including HPLC analysis, mass spectrometry verification, and industry-standard quality control protocols.

Dec 8, 2025
12 min read
HPLC purity testing system analyzing research peptide samples with chromatogram output
Testing Methods

HPLC Purity Testing for Research Peptides: How It Works & What Results Mean

How does HPLC purity testing work for research peptides? Learn to read chromatograms, understand purity percentages, and interpret your peptide analysis results.

Dec 8, 2025
9 min read
Third-party peptide testing lab comparing independent Certificate of Analysis results
Quality Control

Third-Party Verification: Why Independent Testing Matters

Discover why researchers are increasingly turning to third-party laboratories to verify peptide quality and identity.

Dec 7, 2025
7 min read
Mass spectrometry peptide characterization showing molecular weight fragmentation pattern
Analytical Techniques

Mass Spectrometry Techniques for Peptide Characterization

An in-depth look at LC-MS and ESI-MS techniques used in modern peptide analysis laboratories.

Dec 7, 2025
11 min read
ICP-MS instrument screening synthetic peptides for heavy metal contaminants
Contamination

Common Contaminants in Synthetic Peptides and How to Detect Them

Explore the most frequent contaminants found in research peptides including heavy metals, residual solvents, and synthesis byproducts.

Dec 7, 2025
8 min read
Peptide stability testing chamber maintaining controlled temperature and humidity conditions
Stability Studies

Peptide Stability: Storage Conditions and Shelf Life Considerations

Best practices for peptide storage, handling, and understanding degradation pathways that affect research outcomes.

Sep 20, 2025
8 min read
FDA GLP and ICH regulatory compliance documents for pharmaceutical peptide testing
Regulatory Compliance

Regulatory Requirements for Peptide Testing in Drug Development

Navigate FDA and ICH guidelines for peptide characterization in IND applications and clinical development programs.

Sep 12, 2025
10 min read

Have Questions About Peptide Testing?

Our laboratory scientists are here to help. Get expert guidance on testing methods, sample preparation, and results interpretation.