The tolerance was set by whoever wrote the certificate
The arithmetic of significant figures, applied to a document that routinely reports four of them.
Vendors
Page 21 of 48 of this archive, newest first.
Chengdu export categories for peptide intermediates were quietly renamed
Follow the resin, not the catalogue.
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.
Independent analysis puts a GGPeps liraglutide lot at 97.8%, against 93.8% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
Medutest result on a Xi'an orforglipron lot lands 1.0 points below the supplier’s figure
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Why summer is a documented quality problem in this trade
The route did not close because of a rule about peptides.
Reading a certificate as a document rather than as a score
The header identifies the batch, the table records the tests, and the footer says who is answerable. Two of the three are usually incomplete.
GL Biochem 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.
Independent analysis puts a MKM dulaglutide lot at 99.2%, against 96.7% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Janoshik result on a Nantong mazdutide lot lands 0.9 points below the supplier’s figure
The result is unremarkable. What the report omits is not.
What a 26% rise in coupling-reagent prices does to a 20 mg vial
Follow the resin, not the catalogue.
Janoshik result on a Wuxi semaglutide lot lands 2.4 points below the supplier’s figure
The supplier has not disputed the finding. It has not explained the gap either.
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.
What changed at FGP in June, 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.
FGP 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 KP 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 JEEP retatrutide lot at 97.1%, against 94.3% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
A supplier suspends shipping to Norway after 8 consecutive customs detentions
The route did not close because of a rule about peptides.
What a 15% rise in coupling-reagent prices does to a 30 mg vial
Follow the resin, not the catalogue.