What changed at SWB in June, 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 Supply Chain
Reporting on how research peptides are actually made and moved: synthesis houses, resin and reagent sourcing, fill-finish, packaging, freight, customs, and the twenty companies whose names appear most often on the label. Our vendor dossiers live here.
Everything filed here
What changed at SSA in June, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Hydrolysis, isomerisation, and the arithmetic of a broken bond
An isoaspartate rearrangement changes the molecule and not the mass. A method that confirms identity by molecular weight alone will report it as the parent compound.
SGN declines, for the 21st time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Same material, different gradients, different answers
Duplicate submissions under different names test within-laboratory repeatability, which is a different quantity from between-laboratory reproducibility.
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.
What a 28% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
A supplier suspends shipping to the United Arab Emirates after 24 consecutive customs detentions
The route did not close because of a rule about peptides.
BCH declines, for the 17th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
We asked four laboratories for a sterility test. Here is what came back.
Four independent services underpin confidence in this market. All four are competent at chemistry. Microbiology is a different accreditation, a different facility and a…
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
A supplier suspends shipping to Spain after 13 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.
Saudi Arabia health authority warns on falsified tirzepatide pens
Reported from the analysis, not from a warning notice.
Australia health authority warns on falsified liraglutide pens
Reported from the analysis, not from a warning notice.
What changed at FGP in June, 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 a split-sample exercise can establish, and what it cannot
Duplicate submissions under different names test within-laboratory repeatability, which is a different quantity from between-laboratory reproducibility.
Norway health authority warns on falsified liraglutide pens
Reported from the analysis, not from a warning notice.
Nantong export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.