Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
Certificates of analysis
Page 33 of 51 of this archive, newest first.
Electrospray, MALDI, and the choice that shapes every spectrum after it
The two ionisation techniques in general use produce different charge distributions, different adducts and different failure modes. Certificates almost never say which was…
Sweden health authority warns on falsified exenatide pens
Reported from the analysis, not from a warning notice.
VendorInvestigate result on a Shanghai dulaglutide lot lands 2.0 points above the supplier’s stated figure
The result is unremarkable. What the report states alongside it is not.
Independent analysis puts a HJ tirzepatide lot at 97.3%, against 94.2% on the certificate
The supplier confirmed the determination and supplied the method behind its own figure inside a week.
We split six vials four ways and posted them
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 QYB in December, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The badge is about a sample. The listing is about a product.
Lot-level verification with a public report is a real and achievable thing. It exists in this market, on a minority of listings.
The United Arab Emirates health authority warns on falsified liraglutide pens
Reported from the analysis, not from a warning notice.
CPC names the synthesis and fill sites behind its catalogue
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
One vial, four weeks, and the data that does not exist
Every degradation pathway accelerates by orders of magnitude on reconstitution, because the solvent that lyophilisation removed is the reagent most of them need.
We asked four laboratories for a sterility test. Here is what came back.
The absence of microbiological capability in this market is a commercial fact with a straightforward explanation, and it is worth understanding before blaming anybody for it.
VendorInvestigate result on a Chengdu cagrilintide lot lands 3.1 points above the supplier’s stated figure
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.
What changed at QSC in December, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Spain health authority warns on falsified liraglutide pens
Reported from the analysis, not from a warning notice.
What changed at ERP in December, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
What changed after we published the first version of this
A reader holding a certificate can work out what it does not cover in about ninety seconds, and that is a useful ninety seconds.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
What changed at CPC in December, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.