Endotoxin is not a microorganism, and killing the bacteria does not remove it
Bacterial endotoxin is a heat-stable lipopolysaccharide from the outer membrane of Gram-negative organisms. It survives sterilisation, passes a sterilising filter, and is…
The Supply Chain in 2025
Page 20 of 27 of this archive, newest first.
A supplier suspends shipping to the United Arab Emirates after 5 consecutive customs detentions
The route did not close because of a rule about peptides.
What changed at JEEP in April, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
France health authority warns on falsified tirzepatide pens
Reported from the analysis, not from a warning notice.
What changed at QST in April, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
How a claim degrades between the bench and the listing
Lot-level verification with a public report is a real and achievable thing. It exists in this market, on a minority of listings.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Italy health authority warns on falsified liraglutide pens
Reported from the analysis, not from a warning notice.
Four ways a peptide comes apart
The sequence predicts the failure mode. A methionine predicts oxidation; an asparagine followed by a glycine predicts deamidation; a cysteine predicts disulphide scrambling.
A supplier suspends shipping to the United Arab Emirates after 6 consecutive customs detentions
The route did not close because of a rule about peptides.
Wuhan export categories for peptide intermediates were quietly renamed
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.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
Saudi Arabia health authority warns on falsified dulaglutide pens
Reported from the analysis, not from a warning notice.
What a 27% rise in coupling-reagent prices does to a 2 mg vial
Follow the resin, not the catalogue.
The header, the table and the signature block
The header identifies the batch, the table records the tests, and the footer says who is answerable. Two of the three are usually incomplete.
What changed at JEEP in April, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The Netherlands health authority warns on falsified liraglutide pens
Reported from the analysis, not from a warning notice.
Hangzhou export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Accreditation, scope, and the question nobody asks PeptideMeter
Two signatures — one who performed the work, one who approved its release — are the ordinary regulated convention and are almost unknown here.