Description
Key Components of a Peptide COA
- Identity (Mass Spectrometry): Confirms the peptide sequence matches what was ordered (molecular weight).
- Purity (HPLC): Measures the percentage of the target peptide relative to impurities, typically reported as a percentage (e.g., \(\ge98\%\)).
- Net Peptide Content: Specifies the actual amount of peptide in the sample, excluding counter-ions and water.
- Contaminant Testing: Details levels of impurities such as residual solvents, endotoxins, or heavy metals.
Why a COA Matters
- Quality Assurance: It ensures the peptide is not “fake” and meets research standards.
- Reproducibility: Confirms that the material used is consistent between experiments.
- Safety Check: Identifies potentially harmful contaminants.
What to Look For
A legitimate COA should be generated by an independent, third-party laboratory to avoid conflicts of interest. It should be lot-specific, meaning it applies to the exact batch purchased rather than a generic report.
A legitimate COA should be generated by an independent, third-party laboratory to avoid conflicts of interest. It should be lot-specific, meaning it applies to the exact batch purchased rather than a generic report.
Reviews
There are no reviews yet.