Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
Vendors
Page 44 of 48 of this archive, newest first.
What a 25% rise in coupling-reagent prices does to a 10 mg vial
Follow the resin, not the catalogue.
VendorInvestigate result on a Hong Kong mazdutide lot lands 2.6 points below the supplier’s figure
The result is unremarkable. What the report omits is not.
Independent analysis puts a BCH cagrilintide lot at 96.1%, against 95.2% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
VendorInvestigate result on a Zhuhai semaglutide lot lands 1.1 points below the supplier’s figure
The result is unremarkable. What the report omits is not.
What a 23% 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.
GGPeps 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.
Reading a certificate as a document rather than as a score
The purity figure is the least informative line on a well-constructed certificate and the only line most buyers read.
The template economy: one certificate, many products
A blank certificate with the numbers left editable is an ordinary internal document. Its circulation as a finished record is the problem.
Why a result on one vial says less than the trade needs it to
What a laboratory can and cannot know about the provenance, storage history and representativeness of what lands on its bench.
QSC declines, for the 21st 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.
What changed at CPC in March, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The named comparison we promised two years ago
Duplicate submissions under different names test within-laboratory repeatability, which is a different quantity from between-laboratory reproducibility.
What changed at WXT in March, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
FGP declines, for the 3rd time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Six words a verification badge would need to mean anything
A badge asserts that something was tested. It does not assert what, when, on whose sample, by what method, or whether the lot on sale is the lot that was tested.
What changed at JEEP in February, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
A supplier suspends shipping to France after 3 consecutive customs detentions
The route did not close because of a rule about peptides.