Research purchasing guidelines help laboratories compare suppliers consistently and document why a material was selected. A practical review should focus on traceability, analytical support, and handling requirements rather than price alone.
Key points to check
- Product identity: confirm the peptide name, sequence, lot number, and intended research classification.
- Documentation: request a current COA, method summary, and any available testing data such as HPLC and mass spectrometry.
- Specification match: verify that purity, concentration, and packaging align with the lab’s protocol and acceptance criteria.
- Storage and shipping: review temperature control, packaging integrity, and receipt inspection procedures.
- Supplier controls: look for clear quality systems, batch traceability, and documented release criteria.
For compliance, labs should also confirm any internal review steps required for regulated materials and retain purchase records with the associated documentation. Products should be handled as research use only and are not intended for human consumption.