Page 13 of 19 · 438 questions tagged content-assay.
I would like to understand the process rather than be told to try harder. I want to know whether this is a real physical effect or an artefact of how it is measured.…
The case in front of me: aspartimide formation · liraglutide · minus 20 °C. This is one of those things that everyone repeats and nobody derives. This matters…
The specifics, since they change the answer: 97.1% · ecnoglutide · SGN. I would like to define my thresholds before I have a result, for obvious reasons. I want a…
What I am working with: retatrutide · 2 mg/mL. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of magnitude…
Details up front: racemisation · dulaglutide · minus 80 °C. I can predict the outcome but I cannot explain it, which means I will get the next case wrong. I would…
What I am working with: 96.4% · mazdutide · QST. I would like to set this up properly once, rather than adjust it repeatedly. My budget is real but not tight, and my…
I have been through one internal appeal already and would like to do the next one properly. I understand the observation; what I do not understand is the mechanism…
Concretely: survodutide · 2 mg/mL. Please show the division. I want to check my own against yours. I would like the general form as well as the specific number, so I…
The specifics, since they change the answer: 96.8% · semaglutide · JEEP. I would like to define my thresholds before I have a result, for obvious reasons. I want a…
The lot number on the vial matches the certificate, which at least rules out the easy problem. I want to know whether this is a real physical effect or an artefact of…
What I have: hydrolysis · retatrutide · 2–8 °C. I suspect the usual explanation for this is wrong, or at least incomplete. I am aware this may have a boring answer. I…
This is my second independent submission on material from the same supplier. I understand the observation; what I do not understand is the mechanism behind it. I have…
The particulars: 50 mg · survodutide. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ by a factor…
Numbers first: 97.9% · dulaglutide · GL Biochem. I would rather over-plan the first cycle and simplify later. I am prepared to do the work if someone can tell me…
The specifics, since they change the answer: fibrillation · ecnoglutide · 30 °C. I would like the mechanism, because I want to be able to reason about the cases…
Numbers first: 95.2% · orforglipron · SSA. I would rather over-plan the first cycle and simplify later. I am prepared to do the work if someone can tell me which work…
Details up front: 97.6% · orforglipron · QYB. 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…
For reference: oral semaglutide · 2.5 mg/mL. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online…
The particulars: deamidation · survodutide · 4 °C. I understand the observation; what I do not understand is the mechanism behind it. I have read the two review…
Details up front: 30 mg · retatrutide. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is…
What I have: 2 mg · dulaglutide. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is what…
The pharmacy is accredited and I have verified that on the accreditor register. I keep seeing this stated as a fact with no explanation attached, and unexplained…
The particulars: 98.4% · ecnoglutide · JEEP. 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. An unexpected observation, and I would like a differential rather than…