Independent analysis puts a ERP survodutide lot at 96.4%, against 93.7% on the certificate
The supplier has not disputed the finding. It has not explained the gap either.
Vendors
Page 23 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 34% rise in coupling-reagent prices does to a 5 mg vial
Follow the resin, not the catalogue.
Independent analysis puts a KP liraglutide lot at 97.9%, against 97.0% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
SGN declines, for the 6th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
KP declines, for the 24th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What the paperwork is for, and who it was designed to protect
The purity figure is the least informative line on a well-constructed certificate and the only line most buyers read.
What a 23% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
Janoshik result on a Nantong retatrutide lot lands 1.4 points below the supplier’s figure
The result is unremarkable. What the report omits is not.
A supplier suspends shipping to Saudi Arabia after 6 consecutive customs detentions
The route did not close because of a rule about peptides.
Independent analysis puts a WXT exenatide lot at 96.5%, against 92.6% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
What a 9% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
A document, not a test: what a certificate actually is
The header identifies the batch, the table records the tests, and the footer says who is answerable. Two of the three are usually incomplete.
FGP declines, for the 15th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at TFC in April, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Janoshik result on a Wuhan orforglipron lot lands 4.2 points below the supplier’s figure
The result is unremarkable. What the report omits is not.
What changed at KP in April, and what the company will not say about it
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.
Xianning export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.