[Vendor] GGPeps vs GL Biochem on the same compound, same month — both cleared 99.0%
Posting this because the title is the whole finding — GGPeps vs GL Biochem on the same compound, same month — both cleared 99.0% — and a number without its method is a rumour. The numbers the title promised, since a headline without them is worthless: 99.0%. Everything below is context for those. Area percent is the…
Right, and net peptide content is where the counterion and the water go. Both numbers can be honest and very different.
Right, and net peptide content is where the counterion and the water go.
Disagree on this specific point. Two honest labs can resolve that impurity differently and report different numbers.
batch number, date of analysis, method, individual impurities — that is the minimum set
area% is not mass%, and the difference is the whole game
the lot on the vial has to match the lot on the page
Agreed on asking for the storage condition. It is one line and it changes how you read the entire stability claim.
Disagree on this specific point.
Adding the bit that always gets missed: the lot on the vial has to match the lot on the page, or none of this applies to your material.