FGP declines, for the 15th time, to name its synthesis house
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Certificates of analysis
Page 32 of 51 of this archive, newest first.
The question no chromatogram has ever answered
Every certificate circulating in this market answers a question about molecules. Almost none answers a question about organisms, pyrogens, or the integrity of the seal.
Denmark health authority warns on falsified exenatide pens
Reported from the analysis, not from a warning notice.
Medutest result on a Hangzhou dulaglutide lot lands 3.0 points below the supplier’s figure
The result is unremarkable. What the report omits is not.
Australia health authority warns on falsified semaglutide pens
Reported from the analysis, not from a warning notice.
What changed at WXT in January, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
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 will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
The arithmetic behind every identity confirmation, worked in full
A peptide has a monoisotopic mass and an average mass, they differ by several daltons at this molecular size, and a certificate that does not say which it quotes cannot be…
France 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.
Why FGP can be entirely straightforward and still tell you nothing about bioburden
The Journal has read several hundred certificates from twenty companies. We set out what the documents actually cover, and what a reader is filling in from imagination.
Why a dead-clean sterile filter can pass pyrogen straight through
The limit for a parenteral product is calculable from the dose and the body weight in two lines. Almost nobody in this trade performs the calculation.
What changed at QSC in December, and what the company will not say about it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
The specification sheet says 500,000. The report says conforms.
Every instrument specification quoted in an advertisement is a best case obtained on a calibration mixture, not on a submitted vial.
Independent analysis puts a SGN survodutide lot at 97.0%, against 92.8% on the certificate
A reminder that a purity figure is the output of a method, and that methods differ.
Benzyl alcohol is a preservative, not a sterilising agent
We set out what is known, what is inferred and what is simply assumed about the fortnight after a vial is opened.
One method is one opinion
An orthogonal method separates on a different physical principle, so that species co-eluting in the first are likely to resolve in the second. Two runs of the same method at…
Independent analysis puts a ERP liraglutide lot at 99.4%, against 98.3% on the certificate
The result is unremarkable. What the report omits is not.