Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
The Supply Chain
Page 51 of 67 of this archive, newest first.
Page 51
Oxidation, and the peroxide that came in with the surfactant
The sequence predicts the failure mode. A methionine predicts oxidation; an asparagine followed by a glycine predicts deamidation; a cysteine predicts disulphide scrambling.
South Korea health authority warns on falsified exenatide pens
Reported from the analysis, not from a warning notice.
What a 25% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
Wuxi export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What a split-sample exercise can establish, and what it cannot
The Journal submitted split samples from single lots to three assay services, under names unconnected to this publication, and published each method alongside each result.
Ireland health authority warns on falsified semaglutide 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.
A supplier suspends shipping to Mexico after 3 consecutive customs detentions
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.
What a 36% rise in coupling-reagent prices does to a 30 mg vial
Follow the resin, not the catalogue.
What changed at FGP in July, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Shenzhen export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Retest date, expiry date, and the two conventions being confused
What happens to traceability when bulk material is subdivided, repackaged and relabelled two or three times before sale.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
What a 37% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
A supplier suspends shipping to Switzerland after 22 consecutive customs detentions
The route did not close because of a rule about peptides.
Xianning export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What changed at MKM in July, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Turkey health authority warns on falsified semaglutide pens
Reported from the analysis, not from a warning notice.