Independent analysis puts a SGN liraglutide lot at 95.7%, against 93.4% on the certificate
The supplier has not disputed the finding. It has not explained the gap either.
Vendors
Page 40 of 48 of this archive, newest first.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
What a 39% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
Who signed this, and what did they undertake by signing it
What the Journal asks when a document arrives unsigned, and what the answers have been.
Hong Kong export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
What an 8% rise in coupling-reagent prices does to a 15 mg vial
Follow the resin, not the catalogue.
What a 30% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
JEEP declines, for the 22nd time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
QYB declines, for the 14th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Custody, condition and the temperature nobody logged
What a laboratory can and cannot know about the provenance, storage history and representativeness of what lands on its bench.
WXT declines, for the 23rd time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The submitted sample: the weakest link in the whole system
The condition on arrival is recorded by some services and not others, and it is one of the more informative lines in a report.
A supplier suspends shipping to Portugal after 16 consecutive customs detentions
The route did not close because of a rule about peptides.
Shenzhen export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Independent analysis puts a WXT semaglutide lot at 98.8%, against 95.3% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
The anatomy of the most reproduced page in this trade
Nothing on this page is difficult. It is simply unfamiliar, and unfamiliarity is what makes a weak certificate look like a strong one.
VendorInvestigate result on a Zhuhai dulaglutide lot lands 2.6 points below the supplier’s figure
A reminder that a purity figure is the output of a method, and that methods differ.
What changed at WWB in May, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Independent analysis puts a QST cagrilintide lot at 98.4%, against 96.0% on the certificate
The supplier has not disputed the finding. It has not explained the gap either.