Our Testing Process
Every peptide we sell undergoes rigorous multi-stage testing by independent third-party laboratories. No batch reaches your lab without full verification.
How We Verify Every Batch
Quality isn't a marketing claim - it's a documented, verifiable process. Here's exactly how we ensure every product meets the gold standard.
Synthesis
SPPS in US-certified facilities
HPLC Analysis
Purity verified ≥99%
Mass Spec
Molecular identity confirmed
Endotoxin Test
LAL assay below thresholds
COA Issued
Full documentation per lot
HPLC Purity Testing
High-Performance Liquid Chromatography separates and quantifies peptide components. We require ≥99% purity for every batch. The HPLC chromatogram is included in every Certificate of Analysis, showing the exact purity profile with peak identification.
Mass Spectrometry (MS)
Electrospray ionization mass spectrometry confirms the molecular identity of each peptide. The observed molecular weight is compared against the theoretical value to verify correct synthesis and rule out truncation or modification artifacts.
Endotoxin Testing (LAL)
Limulus Amebocyte Lysate assays detect bacterial endotoxins that could interfere with cell culture and in vivo experiments. All batches must fall below specified thresholds critical for research applications.
Sterility Verification
Microbiological testing confirms the absence of bacterial and fungal contamination. Critical for maintaining the integrity of research models, particularly in cell culture and in vivo experimental systems.
What's Included in Every COA
Every Certificate of Analysis is lot-specific and includes the following documented results:
Ready to See Our Quality Firsthand?
Browse our catalog - every product includes a downloadable COA.
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