TX Research Peptides Lab Results: Certificate of Analysis Library

<p>TX Research Peptides provides batch-specific Certificates of Analysis for every compound in our catalog. Each COA is generated by an accredited independent third-party laboratory and includes HPLC purity verification (≥99%) and LC-MS molecular identity confirmation.</p><p>This page serves as the central access point for our lab documentation. Each product page links directly to its corresponding COA.</p><h2>Our Testing Standard</h2><h3>HPLC Purity Analysis</h3><p>Every TX Research Peptides compound is analyzed by HPLC to determine purity percentage. Our standard is ≥99% — the highest tier in the research market. HPLC separates the target compound from synthesis-related impurities, measuring the target compound's peak area as a percentage of all detected compounds.</p><h3>Mass Spectrometry Identity Confirmation</h3><p>LC-MS analysis confirms the molecular identity of each compound by verifying the correct mass-to-charge ratio against theoretical values for the specified compound. This confirms you received the correct peptide — not merely that something pure is present.</p><h3>Independent Third-Party Laboratory</h3><p>All testing is conducted by an accredited external laboratory — not in-house by TX Research Peptides. Third-party testing is the only verification standard that removes the conflict of interest inherent in self-certification.</p><h3>Batch-Specific Documentation</h3><p>Every COA includes a batch/lot number that corresponds to the product you receive. This allows you to trace your specific shipment to its analytical documentation.</p><h2>How to Access Your COA</h2><ul><li>Navigate to the product page for your compound</li><li>Click the 'View COA' or 'Lab Results' link on the product page</li><li>The COA PDF includes batch number, test date, HPLC purity result, and MS identity confirmation</li><li>Contact support@txresearchpeptides.com if you need a specific batch COA not yet posted</li></ul><h2>About Endotoxin Testing</h2><p>Endotoxin testing (LAL assay) is performed on select batches, particularly for compounds used in in-vivo research models where endotoxin contamination could confound results. Contact us if your protocol requires endotoxin documentation.</p><p>Q: Are COAs available before I purchase?</p><p>A: Yes. COAs for current batches are accessible on each product page. You can review the documentation before placing an order.</p><p>Q: What does it mean that COAs are batch-specific?</p><p>A: A batch-specific COA is linked to a specific production lot by lot number. This means the analytical results directly correspond to the product you receive, rather than being a generic document from a different batch.</p><p>Related: Shop All Products → | How to Read a COA → | Contact Support → | About TX Research Peptides →</p>