u/marit_mwangi

the the UK situation is different from the US, different regulations

This is correct. Modmail first.

The related substances profile is way more interesting than the main peak %. A 98% with 8 peaks is different from a 98% that is one 30% impurity.

Gradient goblin mode: changed the solvent composition 14 times, finally got good resolution on a gradient peak.

New Zealand here.

Disagree on that part. 96.8% and 96.2% on the same vial is normal.

regulatory claims need a citation to the actual rule, not interpretation

no pharmacy referral codes, naming is fine, recruiting is not

This is the "correlation is mechanism" thing again. You changed three variables at once.

Edit to your parent would help — the concentration you quoted assumes one scenario and you have written another above it.

a round-robin on baseline integration would be genuinely useful

That is net peptide content, not purity. Different number, different meaning.

This is correct.

Adding to this: state board is doing more work than the comment implies.

Strongly agree. API source transparency matters.

Asked 5 compounders about API source. One told me, one dodged, one said they cannot say. The answer is the signal.

escrow for group buys is standard, use it

Yes, exactly this, and it is the bit that took me 20 weeks to accept.

the detector wavelength matters more than people think

integration decision on a shoulder changes your number by half a point on its own