FGP names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Purity
Page 7 of 51 of this archive, newest first.
Independent analysis puts a QST semaglutide lot at 98.4%, against 97.6% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
What changed at JEEP in March, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What the four services actually offer, test by test
We asked all four services what they can determine, on what timescale, at what price, and under what accreditation. The answers are printed in full.
Endotoxin is not a microorganism, and killing the bacteria does not remove it
Three compendial method families are in routine use and a fourth, based on a recombinant enzyme rather than crab lysate, is now compendial in its own right.
VendorInvestigate result on a Chengdu tirzepatide lot lands 3.4 points above the supplier’s stated figure
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
Accreditation, scope, and the question nobody asks PeptideMeter
A manufacturer’s certificate is a self-declaration. An accredited laboratory’s report is a third-party measurement. The trade prints both under one heading.
The United Kingdom health authority warns on falsified dulaglutide pens
Reported from the analysis, not from a warning notice.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
What changed at SGN in March, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The submitted sample: the weakest link in the whole system
What a laboratory can and cannot know about the provenance, storage history and representativeness of what lands on its bench.
Independent analysis puts a SGN survodutide lot at 95.6%, against 93.1% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
The degradation product that elutes underneath the parent peak
The sequence predicts the failure mode. A methionine predicts oxidation; an asparagine followed by a glycine predicts deamidation; a cysteine predicts disulphide scrambling.
Spain health authority warns on falsified exenatide pens
Reported from the analysis, not from a warning notice.
QSC names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What orthogonal actually means, and what it does not
The most useful single addition to any purity determination is a second separation under a different pH or on a different stationary phase, and the second-most useful is a…
Nine parcels, nine loggers, and one uncomfortable set of traces
The compendial definitions of cold, controlled cold and controlled room temperature permit specified excursions, and knowing the permitted band is the difference between an…
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
VendorInvestigate result on a Shanghai tirzepatide lot lands 1.3 points above the supplier’s stated figure
The result is unremarkable. What the report states alongside it is not.
Independent analysis puts a QSC survodutide lot at 99.4%, against 95.9% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.