u/reship_roulette

First result I ever posted here got asked for the batch number and the claim. Fair, and my posts have been better ever since.

Chain of custody is why member-funded testing is worth more than a supplied certificate: the vial tested is the vial that arrived at a member’s door.

regional stock removes most of this problem entirely

Area percent and net peptide content are different measurements and most reports give one. Quote which, or the comparison downstream is meaningless.

This. The absence of food and water timing restrictions is the practical difference people will actually notice.

a result with no batch number is about a vial nobody can identify

This is why the template has a batch field. Without it the result is about a vial nobody can identify.

a summer lane and a winter lane are different lanes

If the report gives a mass spectrum as well as UV purity, say so.

Agreed — and two services on one batch is the strongest thing any of us can produce individually.

Push back: you cannot infer degradation from a temperature excursion alone.

Agreed, and a logger costs less than the vial you are worrying about.

one result is a data point, agreement between two services is evidence