Certificates of Analysis.

Every product we ship is accompanied by a Certificate of Analysis verifying identity and purity for the specific lot in your vial.

What's on a COA

• Compound name, CAS number, molecular formula, molecular weight
• Lot number and manufacture date
• HPLC chromatogram with integrated peaks and identified purity percentage
• Mass spectrometry identity confirmation (MS/MS or LC-MS as applicable)
• Appearance, solubility, and storage recommendations
• Residual solvents and water content where measured

How to access yours

After your order ships, you'll receive a tracking email with a link to the Certificate of Analysis for the lot you received. The COA link is also available in your order record once you create an account. For past orders or archived COAs, email admin@benchgradepeptides.com with your order number.

Third-party verification

Where feasible, we submit a random vial per lot for third-party identity and purity verification at an independent analytical laboratory. Results are retained in our internal quality record.