What to review
Chromatography, mass spectrometry and quantitative assays address different attributes. A purity percentage does not establish content, sterility, endotoxin level or suitability for human use.
Prepare your inquiry
Include the product or sequence, configuration, quantity, destination and required documents. The team can then review the scope and confirm the available information.
Sources and verification scope
Q2(R2) Validation of Analytical Procedures ↗
FDA / ICH
Source details (original language)
- Scope
- Validation framework for analytical procedures
- Document section
- Final guidance summary
- Limitations
- Method validation does not certify this company or establish a result for a catalog lot.
- Claim verification date
- 2026-09-09
Pyrogen and Endotoxins Testing: Questions and Answers ↗
FDA
Source details (original language)
- Scope
- Separate microbiological/pyrogen-related testing considerations
- Document section
- Guidance scope
- Limitations
- Chromatographic purity is not an endotoxin or sterility test.
- Claim verification date
- 2026-09-09
Current Good Manufacturing Practice: production and process controls ↗
FDA
Source details (original language)
- Scope
- Testing and control context for products claimed sterile
- Document section
- Sterility and special testing requirements
- Limitations
- No claim that catalog materials are sterile or approved for human use.
- Claim verification date
- 2026-09-09
Related reading
Reading peptide documentation: identity, purity, content and COA
How to distinguish specifications, batch results, assay and microbiological attributes.
Read details →