QSC declines, for the 4th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The Supply Chain in 2026
Page 9 of 13 of this archive, newest first.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
What a 35% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
What changed at TFC in February, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What happens in solution that does not happen in the cake
We set out what is known, what is inferred and what is simply assumed about the fortnight after a vial is opened.
Xi'an export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
A supplier suspends shipping to India after 17 consecutive customs detentions
The route did not close because of a rule about peptides.
What changed at FGP in February, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
WWB declines, for the 15th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Janoshik, Medutest, PeptideMeter, VendorInvestigate: a capability audit
The absence of microbiological capability in this market is a commercial fact with a straightforward explanation, and it is worth understanding before blaming anybody for it.
GGPeps declines, for the 22nd time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Germany health authority warns on falsified tirzepatide pens
Reported from the analysis, not from a warning notice.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
CPC declines, for the 24th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
What a 40% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
Janoshik, Medutest, PeptideMeter, VendorInvestigate: a capability audit
Four independent services underpin confidence in this market. All four are competent at chemistry. Microbiology is a different accreditation, a different facility and a…
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.