Someone talk me out of this.
Curious how other people think about this, because I keep going back and forth.
This is the sort of thing that never gets written down anywhere so I figured I’d ask.
Genuinely open to being corrected on this.
Methodology v3.0 is live: what changed and why
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0
For anyone arriving from search: the compound reference page has the evidence grading, and the testing tab has the actual results. Two different things, easy to conflate.
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The methodology page covers the weighting question directly. Purity gets the largest share because it is the most reliably measurable thing they assess.
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This is the correct take.
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Genuinely asking, not being difficult: what is the actual source for that? Everyone repeats it and nobody links anything.
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Mass spec gives you molecular weight, which confirms identity but says nothing about whether the sequence is correct. Two different peptides can share a mass.
BA batch_cleo Verified ·
If you want to check this yourself, ask the vendor which laboratory issued the certificate, then email that laboratory with the report number. Most will confirm or deny. The ones that go quiet tell you something.