A supplier suspends shipping to Turkey after 6 consecutive customs detentions
The route did not close because of a rule about peptides.
The Supply Chain in 2025
Page 11 of 27 of this archive, newest first.
Wuhan export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What changed at WXT in August, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Xi'an export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
What a 6% rise in coupling-reagent prices does to a 15 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.
FGP 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.
Asparagine, glycine, and the two residues that decide a shelf life
Deamidation, oxidation, aggregation and hydrolysis account for nearly all of what happens to a peptide over time. Each has a characteristic residue, a characteristic…
What a 17% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
Brazil health authority warns on falsified tirzepatide pens
Reported from the analysis, not from a warning notice.
Tianjin export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What a 19% rise in coupling-reagent prices does to a 30 mg vial
Follow the resin, not the catalogue.
Shanghai export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
What a 24% rise in coupling-reagent prices does to a 30 mg vial
Follow the resin, not the catalogue.
A supplier suspends shipping to South Korea after 10 consecutive customs detentions
The route did not close because of a rule about peptides.
Who signed this, and what did they undertake by signing it
A manufacturer’s certificate is a self-declaration. An accredited laboratory’s report is a third-party measurement. The trade prints both under one heading.
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.