Lab Results

Peptide COA and HPLC Lab Results in Los Angeles, CA

The SpartaLabs COA library publishes a Certificate of Analysis for every production batch, reporting third-party HPLC purity, identity and, where tested, sterility and endotoxin results matched to the batch ID on each vial. Researchers can verify any lot before purchase, shop HPLC-tested research peptides or learn how to read a peptide COA.

Quality Assurance

Certificate of Analysis

Transparency isn't optional, it's our foundation. Every product ships with independently verified lab results.

Every Batch. Every Product. Verified.

Independent third-party laboratory testing on every batch. Certificates of Analysis are publicly available, confirming purity, identity, and absence of contaminants before any product ships.

Our Testing Standards

Quality You Can Verify

HPLC Purity Testing

High-Performance Liquid Chromatography confirms peptide purity meets or exceeds 99% for every batch.

Mass Spectrometry

MS analysis verifies molecular identity and confirms the correct peptide sequence and molecular weight.

Endotoxin Testing

LAL testing ensures products are free from bacterial endotoxins, meeting pharmaceutical-grade standards.

Sterility Verification

Sterility testing confirms products are free from microbial contamination prior to release.

Need a Specific COA?

Send us your order number or product name and we'll forward the full Certificate of Analysis for that batch.

Request COA