Unpopular opinion incoming.
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.
How do you keep records of what you have taken?
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20
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.
7
Answered your second question in a DM since it was getting long, but short version is yes with caveats.
AS assay_mira ·
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.