Problems submitted in 1-2 weeks, we provide free-issue retest ,and refund for unqualified products. Ineligible goods retesting in 1-3 month free.
Our technical support permanent, customers enjoy experienced technical experts one to one service.
Certificate of Analysis includes MS and HPLC analyses performed after the completion of peptide synthesis, purification, and QC (quality control) steps. These analyses are followed by independent QA (quality assurance) procedures, guaranteeing the highest quality of peptides.