Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
Vendors
Page 17 of 48 of this archive, newest first.
Chain of custody, and where it begins
The condition on arrival is recorded by some services and not others, and it is one of the more informative lines in a report.
Changsha export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What a laboratory knows about the material it receives
The condition on arrival is recorded by some services and not others, and it is one of the more informative lines in a report.
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.
What changed at QSC in August, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Medutest result on a Suzhou semaglutide lot lands 4.3 points above the supplier’s stated figure
The result is unremarkable. What the report states alongside it is not.
Medutest result on a Shanghai mazdutide lot lands 1.2 points above the supplier’s stated figure
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
What a 24% rise in coupling-reagent prices does to a 5 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.
The batch number is the only thing connecting the page to the vial
A document is only as good as the chain that connects it to the material, and most chains here are two or three links longer than the paperwork admits.
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 SSA dulaglutide lot at 96.0%, against 95.0% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
A supplier suspends shipping to Turkey 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.
What changed at WXT in August, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Independent analysis puts a WWB exenatide lot at 97.8%, against 95.3% on the certificate
The result is unremarkable. What the report states alongside it is not.
Xi'an export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
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.