Page 8 of 19 · 438 questions tagged content-assay.
Details up front: JEEP · dulaglutide. This is presented as though it settles something, and I am not convinced it does. I have two documents that appear to disagree,…
What I have: WWB · orforglipron. Before I write this off, I want to check whether it is a known failure mode. I have the lot number, the certificate and the date, and…
Conditions: 98.8% · liraglutide · BCH. I want to decide this in advance so that I am not deciding it under pressure later. Assume I will follow the plan I write down,…
Numbers first: 8 mg · orforglipron. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to lay this out, I would rather…
What I have: SGN · retatrutide. I have a result I cannot explain, and I would rather diagnose it than guess. I have checked the obvious explanations and eliminated…
The specifics, since they change the answer: MKM · survodutide. I have the document in front of me and I can read the numbers. What I cannot do is interpret them. I…
Details up front: mazdutide · 6.67 mg/mL. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method…
The method section is present, which is unusual enough that I want to make use of it. The units are where I keep going wrong, so please be explicit about them. I have…
For reference: peptide mapping · survodutide. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the arguments for each and…
The particulars: 98.2% · ecnoglutide · SWB. I would like to define my thresholds before I have a result, for obvious reasons. I want a plan with explicit stopping…
I have both a purity figure and a content figure, which is why the discrepancy is visible. I suspect the usual explanation for this is wrong, or at least incomplete.…
Stated plainly: dimerisation · a GLP-1 receptor agonist · minus 80 °C. I keep seeing this stated as a fact with no explanation attached, and unexplained facts make me…
Numbers first: a sterility test · dulaglutide. This is a planning question. I know what my options are; I do not know how to weigh them. What I want is the minimum…
Concretely: QST · liraglutide. I would like to know the limits of what can be inferred from this. What I am trying to avoid is over-reading a single result, which I…
For reference: fibrillation · survodutide · 2–8 °C. I would like the mechanism, because I want to be able to reason about the cases nobody has written about. I have…
I am comparing a supplier certificate against an independent result on the same lot. I have worked this out and I would like someone to find the error, because I…
I have the report as a PDF with the chromatogram on page two, so I can quote specifics. I can do the algebra. I am not confident about the conversion factors. If…
The case in front of me: 98.2% · liraglutide · ERP. I want to decide this in advance so that I am not deciding it under pressure later. Assume I will follow the plan…
The case in front of me: 40 mg · tirzepatide. I want the working, not the result — I need to be able to redo it with different numbers. I care about the precision as…
Stated plainly: 98.2% · mazdutide · QST. I am trying to build something sustainable rather than something thorough that I will abandon. I have already decided the…
For reference: MKM · ecnoglutide. I have the document in front of me and I can read the numbers. What I cannot do is interpret them. I am reasonably comfortable with…
Every explanation of quantitative HPLC I have read says the result is traceable to the reference standard, and then moves on as though that settles it. I want to open…
Stated plainly: a residual-solvent screen · mazdutide. I am trying to build something sustainable rather than something thorough that I will abandon. I have already…
Setup, so nobody has to ask: retatrutide · 3.33 mg/mL. I have worked this out and I would like someone to find the error, because I suspect there is one. My working…