Page 10 of 33 · 788 questions tagged purity.
Numbers first: a GLP-1 receptor agonist · 96.4%. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the…
The particulars: 95.2% · a wide-pore C18 column · mazdutide. I have the document in front of me and I can read the numbers. What I cannot do is interpret them. I am…
Details up front: mazdutide · a C8 column · survodutide. I have used one of these for a while and I am considering switching, which requires a reason. What I care…
What I have: an HPLC purity test · orforglipron. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is…
Details up front: 99.1% · orforglipron · QYB. I would rather over-plan the first cycle and simplify later. I am prepared to do the work if someone can tell me which…
The case in front of me: 95.2% · a C4 column · retatrutide. The figures are clear enough; the question is what they mean and what they do not. I can supply the…
What I have: cagrilintide · 95.2%. 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 am working with: 96.8% · cagrilintide · QST. I am trying to build something sustainable rather than something thorough that I will abandon. I have already…
The specifics, since they change the answer: liraglutide · a wide-pore C18 column · survodutide. I am trying to choose between two options that are usually discussed…
Stated plainly: WXT · cagrilintide. I have read the primary source rather than the summary, which has left me with more questions. I understand the headline. I do not…
Details up front: 99.1% · Janoshik · 96.8% · Janoshik. I want to know what the trade-off actually is rather than which option is fashionable. I would rather have a…
Setup, so nobody has to ask: QSC · mazdutide. I have read the primary source rather than the summary, which has left me with more questions. I understand the…
For reference: VendorInvestigate · 99.1%. Something has gone wrong and I would like to know how badly before I decide what to do. Nothing else in the setup changed,…
Stated plainly: 97.1% · a C18 column · ecnoglutide. I would like help reading this properly rather than being told what conclusion to reach. I have the full report…
Setup, so nobody has to ask: 99.4% · a C18 column · ecnoglutide. I have read the primary source rather than the summary, which has left me with more questions. I…
What I have: Medutest · 99.1%. 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 I…
Following on from the certification discussion: I want to quantify the damage. Suppose a lab's standard is assigned 95.0% and its true potency is 88.0%. Does my…
Concretely: 99.1% · a C4 column · orforglipron. The figures are clear enough; the question is what they mean and what they do not. I can supply the numbers if the…
Setup, so nobody has to ask: 96.4% · Medutest · 98.8% · Medutest. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I…
Concretely: aspartimide formation · oral semaglutide · room temperature. This is one of those things that everyone repeats and nobody derives. This matters…
The case in front of me: 97.9% · tirzepatide. Please show the division. I want to check my own against yours. I would like the general form as well as the specific…
Setup, so nobody has to ask: 95.2% · Medutest · 98.4% · Medutest. Both of these get recommended confidently by different people, which suggests neither is obviously…
Conditions: 98.8% · method section. The figures are clear enough; the question is what they mean and what they do not. I can supply the numbers if the specifics…
Numbers first: mazdutide · a C8 column · liraglutide. I have used one of these for a while and I am considering switching, which requires a reason. What I care about…