[Discussion] the TB-500 advice in here is 2 years out of date
the TB-500 advice in here is 2 years out of date, which sounds obvious until you try to state the evidence for it. To save the first four comments: 2 years. Net peptide content accounts for counterion, water and residual solvent. On some of these compounds the gap between purity and net content is substantial and…
Research-use-only material is not approved for human use. In this catalogue that covers essentially everything, which is why the board discusses material and analytics rather than outcomes.
Careful — that is a claim about efficacy and there is essentially no human evidence behind it.
catalogue depth is not the same as catalogue quality
the sequence is the product, everything else is packaging
That method was developed for a different compound class and would not resolve the impurities you are asking about.