Posting this half expecting to get told I’ve got it backwards.
Between payment processors dropping vendors and customs getting stricter, the whole thing feels less stable than it did a year ago.
Prices moved noticeably this month across several vendors at once, which usually means something upstream changed.
Will update this post if I learn anything useful.
No replies yet. Be the first to add one.
Saved.
To answer the methodology question directly, Purity & Testing carries 25% because it is the dimension we can measure most reliably. The full weighting is published on the methodology page.
Correct, and the same applies to the quantity assay.
That is the distinction I was trying to make, said better.
We publish failed results the same way we publish passing ones. If a company disputes a finding, that goes on the record too.
Exactly right.
Any update on this?
Happy to walk through how to read one of those reports if it would help. It is less intimidating than it looks once you know which three numbers matter.
Testing desk here. Every specimen page links the full laboratory report, including the method and the lot. If something in one of them is unclear, say which and we will explain it.
BA batch_cleo Verified ·
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.