Turnaround, cost and accreditation across the services this trade relies on
Endotoxin is the more tractable of the two questions, and a kinetic chromogenic determination is neither slow nor exotic. It is simply not on the menu.
Certificates of analysis
Page 28 of 51 of this archive, newest first.
SSA declines, for the 13th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Aggregation: the impurity your chromatogram dissolved before it looked
Deamidation, oxidation, aggregation and hydrolysis account for nearly all of what happens to a peptide over time. Each has a characteristic residue, a characteristic…
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
A tested vial is evidence about a vial
Every third-party report in this market describes a sample somebody chose to send. That choice is outside the laboratory’s control and outside its records.
What changed at SWB 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.
Saudi Arabia health authority warns on falsified dulaglutide pens
Reported from the analysis, not from a warning notice.
Medutest result on a Wuhan orforglipron lot lands 3.1 points below the supplier’s figure
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Independent analysis puts a HJ exenatide lot at 98.4%, against 97.3% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Three services, one lot, and a spread of two and a half points
Duplicate submissions under different names test within-laboratory repeatability, which is a different quantity from between-laboratory reproducibility.
The 0.22 micron filter does the work, and it is the last line
Bioburden entering the filter, filter integrity, environmental monitoring and aseptic process simulation are the four pillars. The trade documents none of them.
VendorInvestigate result on a Hong Kong retatrutide lot lands 2.9 points below the supplier’s figure
A reminder that a purity figure is the output of a method, and that methods differ.
Independent analysis puts a MKM liraglutide lot at 96.2%, against 94.9% on the certificate
The Journal submitted the sample and paid for the analysis. The vendor was told in advance.
The change that weighs nothing at all
What would be needed to catch each of these, and what it would cost.
Mexico health authority warns on falsified dulaglutide pens
Reported from the analysis, not from a warning notice.
Independent analysis puts a GGPeps retatrutide lot at 95.3%, against 92.8% on the certificate
The result is unremarkable. What the report omits is not.
What changed at GGPeps 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.
PeptideMeter result on a Wuxi cagrilintide lot lands 2.5 points below the supplier’s figure
A reminder that a purity figure is the output of a method, and that methods differ.
A number without a suitability record is a number from an unknown instrument
System suitability is the set of checks demonstrating that the instrument and method were performing adequately when your sample was injected. It is recorded as a matter of…
Turkey health authority warns on falsified semaglutide pens
Reported from the analysis, not from a warning notice.