Certificates of Analysis (COA)
Transparent laboratory documentation for every batch. COA is available on the product page before purchase.
Standard: HPLC + MS | ≥ 98% purity
What is a COA?
A Certificate of Analysis is an official laboratory document confirming the identity, purity, and specifications of a specific batch. At Peptiqa, COA is the foundation of trust.
- Batch number and test date
- HPLC purity profile (%)
- Molecular weight confirmation (MS)
- Testing laboratory name
- Physical appearance (lyophilized powder)
Analytical protocol
We use industry-standard methods expected by research institutions worldwide.
HPLC
High-performance liquid chromatography for purity
MS
Mass spectrometry for peptide identity
Appearance
Visual check of lyophilized white powder
Release
COA published on product page at batch release
How to access COA
On every product page, expand the Certificate of Analysis section to review results and download the PDF certificate.
- COA visible before adding to cart
- Multiple batches may have separate COAs
- QR verification coming soon
Why it matters
Quality variability is a major issue in the research peptide market. Per-batch COA is our commitment to the research community.
COA documents represent analytical testing at time of manufacture. They do not constitute medical advice or approval for human use.