A supplier suspends shipping to Norway after 18 consecutive customs detentions
The route did not close because of a rule about peptides.
Vendors
Page 33 of 48 of this archive, newest first.
PeptideMeter result on a Guangzhou liraglutide lot lands 3.3 points above the supplier’s stated figure
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
What changed at SGN in October, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Check the vial, not the box
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.
What a 32% rise in coupling-reagent prices does to a 15 mg vial
Follow the resin, not the catalogue.
Xianning export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
HJ names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Medutest result on a Suzhou tirzepatide lot lands 2.9 points above the supplier’s stated figure
A reminder that a purity figure is the output of a method, and that methods differ.
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.
FGP names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
A supplier suspends shipping to Spain after 10 consecutive customs detentions
The route did not close because of a rule about peptides.
CPC names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at CPC in October, 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 Xi'an semaglutide lot lands 3.3 points above the supplier’s stated figure
The supplier confirmed the determination and supplied the method behind its own figure inside a week.
Repackaging, subdivision, and the batch number that changed hands
The interval between manufacture and analysis is the most under-read figure on the page, and the one most likely to matter by the time a vial is opened.
Independent analysis puts a TFC tirzepatide lot at 97.7%, against 95.0% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
SSA names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What a 20% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
Independent analysis puts a WXT tirzepatide lot at 96.4%, against 93.6% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.