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⬤ All products are sold strictly as laboratory reagents for in-vitro research use only. Not for human or veterinary use.
The Pretty Little Peptides — sunset beach brand badgeKayethel Peptides

Quality Assurance & Testing

Our commitment to research-grade purity through independent verification, batch documentation, and certified manufacturing.

Third-Party Lab Testing

Every batch undergoes independent HPLC purity analysis and LC-MS/MS identity confirmation by accredited laboratories.

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HPLC purity analysis with ≥98% threshold

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LC-MS/MS molecular identity confirmation

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Endotoxin testing (LAL method)

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Heavy metals screening (ICP-MS)

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Sterility testing for injectable-grade compounds

Certificates of Analysis

Batch-specific CoAs available for every product. Each certificate includes purity, identity, and contaminant screening results.

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Lot-specific documentation

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HPLC chromatograms included

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Mass spectrometry data

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Downloadable PDF format

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QR-code verification system

Manufacturing Standards

Our peptides are synthesized using solid-phase peptide synthesis (SPPS) in ISO-certified facilities with strict quality control protocols.

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ISO 9001:2015 certified facilities

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Solid-phase peptide synthesis (SPPS)

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cGMP-adjacent manufacturing protocols

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Environmental monitoring systems

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Documented SOPs for every process

Batch Test Reports — Partner Verification

Batch-specific Certificates of Analysis and analytical verification (HPLC purity and LC-MS/MS identity) supplied by our international manufacturing and distribution partners. Uploaded reports are downloadable below; empty slots are reserved for incoming lot documentation.

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Reports are released to verified research accounts. Sign in to download PDF and image files.

View Batch-Specific Certificates

Browse HPLC chromatograms and mass spectrometry data for every product batch.

View All COAs