Janoshik result on a Hangzhou retatrutide lot lands 0.8 points above the supplier’s stated figure
The supplier confirmed the determination and supplied the method behind its own figure inside a week.
Certificates of analysis
Page 18 of 51 of this archive, newest first.
What changed at ERP in September, and what the company says prompted 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.
Holograms, QR codes and other things that are not verification
Reported from the analysis, not from a warning notice.
The word “confirmed” is doing an enormous amount of work on this certificate
An intact mass measurement establishes elemental composition, at best. The number of distinct sequences consistent with a given composition is astronomically large.
Independent analysis puts a WWB semaglutide lot at 95.3%, against 94.2% on the certificate
The report states the gradient, the wavelength and the integration threshold, which is more than most.
Why the independent testing market grew a chemistry arm and not a microbiology one
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.
What changed at MKM in September, and what the company says prompted it
Documentation practice is the only part of vendor quality a buyer can assess before purchase.
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.
Retention time is not identity
Matching a retention time against a standard is evidence of consistency, not proof of identity. Two different species can elute at the same time on one method.
New Zealand health authority warns on falsified dulaglutide pens
Reported from the analysis, not from a warning notice.
What changed at Homopeptide in September, and what the company says prompted 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.
Turkey health authority warns on falsified dulaglutide pens
Reported from the analysis, not from a warning notice.
SSA 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 changed at QST in August, and what the company says prompted 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 VendorInvestigate is able to certify about a sealed vial, and what it is not
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.
Independent analysis puts a CPC orforglipron lot at 95.3%, against 92.5% on the certificate
The result is unremarkable. What the report states alongside it is not.
What a laboratory knows about the material it receives
The condition on arrival is recorded by some services and not others, and it is one of the more informative lines in a report.