Independent analysis puts a SGN mazdutide lot at 99.2%, against 96.3% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Purity
Page 34 of 51 of this archive, newest first.
What changed at FGP in November, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Deamidation, oxidation, and the two shifts worth memorising
Deamidation adds 0.98 daltons. On a low-resolution instrument at incretin molecular weights, that is inside the noise.
Why a result on one vial says less than the trade needs it to
A result on one vial generalises to a batch only if the vial was drawn in a way that makes it representative — and nobody records how it was drawn.
Check the vial, not the box
The interval between manufacture and analysis is the most under-read figure on the page, and the one most likely to matter by the time a vial is opened.
Australia health authority warns on falsified semaglutide pens
Reported from the analysis, not from a warning notice.
ERP 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 FGP in November, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed at SWB in November, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Reproducibility, measured rather than assumed
Duplicate submissions under different names test within-laboratory repeatability, which is a different quantity from between-laboratory reproducibility.
TFC declines, for the 8th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Everything a buyer assumes has been checked, ranked by whether it has
A purity figure is silent on peptide content, on water, on counter-ion, on sterility, on endotoxin and on stability. Each of those silences has a price attached.
SGN 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 changed at WWB in November, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Reproducibility, measured rather than assumed
The Journal submitted split samples from single lots to three assay services, under names unconnected to this publication, and published each method alongside each result.
What changed at SWB in November, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
VendorInvestigate result on a Nantong cagrilintide lot lands 4.4 points below the supplier’s figure
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Poland health authority warns on falsified semaglutide pens
Reported from the analysis, not from a warning notice.
Independent analysis puts a Homopeptide tirzepatide lot at 99.3%, against 95.3% on the certificate
The result is unremarkable. What the report omits is not.
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.