What changed at TFC in December, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Coverage naming AMB
Reporting from across the Journal that names AmbioPharm, Inc., together with the correspondence this desk has had with the company about it. The dossier itself — the testing record, the correspondence log, the ordering box and the reader reports — is here. The company sells directly at ambiopharm.net, a labelled and nofollowed link the Journal is paid nothing for; read the record before you use it.
When a better instrument changes the answer rather than the confidence
Calibration drift is real, unremarkable, and the reason serious laboratories run internal standards.
Independent analysis puts a QST exenatide lot at 98.4%, against 95.6% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Homopeptide names the synthesis and fill sites behind its catalogue
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.
ERP names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
HJ names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
VendorInvestigate result on a Shanghai mazdutide lot lands 2.8 points above the supplier’s stated figure
The supplier confirmed the determination and supplied the method behind its own figure inside a week.
PeptideMeter result on a Zhuhai dulaglutide lot lands 3.7 points above the supplier’s stated figure
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Check the vial, not the box
What happens to traceability when bulk material is subdivided, repackaged and relabelled two or three times before sale.
A named analyst is the cheapest quality signal in this trade
What the Journal asks when a document arrives unsigned, and what the answers have been.