Suzhou export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Vendors
Page 38 of 48 of this archive, newest first.
A supplier suspends shipping to Ireland after 16 consecutive customs detentions
The route did not close because of a rule about peptides.
Independent analysis puts a GL Biochem tirzepatide lot at 99.2%, against 95.8% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Changsha export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
Independent analysis puts a SSA orforglipron lot at 95.7%, against 92.2% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
GGPeps declines, for the 16th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What a 34% rise in coupling-reagent prices does to a 2 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.
What changed at WWB 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.
QSC declines, for the 16th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at QST 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.
Independent analysis puts a QYB mazdutide lot at 95.1%, against 91.4% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
WWB declines, for the 17th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
From vial to bench: what is recorded and what is assumed
The condition on arrival is recorded by some services and not others, and it is one of the more informative lines in a report.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
What changed at CPC 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.
Pass, conform, comply: three words for three different claims
Statements of conformity are supposed to rest on a stated decision rule. Almost nothing in this trade states one.
A supplier suspends shipping to Singapore after 24 consecutive customs detentions
The route did not close because of a rule about peptides.
How a claim degrades between the bench and the listing
The Journal does not treat a badge as evidence and states so wherever it reports one.
ERP declines, for the 10th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.