The badge is about a sample. The listing is about a product.
The Journal does not treat a badge as evidence and states so wherever it reports one.
Vendors
Page 14 of 48 of this archive, newest first.
What changed at QST in October, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
PeptideMeter result on a Wuhan orforglipron lot lands 2.1 points above the supplier’s stated figure
The result is unremarkable. What the report states alongside it is not.
Homopeptide names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Hangzhou export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Independent analysis puts a GGPeps tirzepatide lot at 95.4%, against 92.1% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
What a 28% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
A supplier suspends shipping to Spain after 6 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.
Independent analysis puts a HJ dulaglutide lot at 95.0%, against 93.3% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
Xi'an export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Wuhan export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What changed at WXT in October, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Reading a certificate as a document rather than as a score
Nothing on this page is difficult. It is simply unfamiliar, and unfamiliarity is what makes a weak certificate look like a strong one.
What a 25% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
A supplier suspends shipping to Canada after 10 consecutive customs detentions
The route did not close because of a rule about peptides.
A supplier suspends shipping to Germany after 5 consecutive customs detentions
The route did not close because of a rule about peptides.
Date of analysis, date of manufacture, and the gap between them
What happens to traceability when bulk material is subdivided, repackaged and relabelled two or three times before sale.
When a template becomes a misrepresentation
A PDF carries metadata about the software that produced it, and that metadata is frequently more informative than the content.
What changed at ERP in October, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.