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Suliburk, Charles G

Assessing an IGF-1 LR3 research peptide COA A legitimate COA for a research peptide should include: HPLC purity (look for greater than 97 to 98 percent for a credible vendor), mass spectrometry confirmation of the correct molecular weight (IGF-1 LR3 has a molecular weight of approximately 9111 Da), absence of acetate or TFA counterion contamination above trace levels (TFA is cytotoxic at meaningful concentrations), endotoxin testing result (LAL assay), and sterility testing if injectable use is intended

A 99.8% purity level, like Simple Peptide achieves, means that only 0.2% of the vial contents are something other than the target compound

The copper component plays a critical role