Page 5 of 11 · 260 questions tagged cost-analysis.
Setup, so nobody has to ask: QST · an HPLC purity test. I want the working, not the result — I need to be able to redo it with different numbers. I care about the…
What I am working with: dulaglutide · 7.5 mg. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of magnitude…
What I have: WXT · peptide mapping. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of magnitude and it…
For reference: 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…
Conditions: GGPeps · Qingdao Saber Technology. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the arguments for each and…
Stated plainly: orforglipron · 24 mg. I have worked this out and I would like someone to find the error, because I suspect there is one. My working so far, for the…
For reference: a residual-solvent screen · mazdutide. I am trying to build something sustainable rather than something thorough that I will abandon. I have already…
Details up front: mazdutide · 10 mg. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is…
Stated plainly: retatrutide · 4 mg. I have worked this out and I would like someone to find the error, because I suspect there is one. My working so far, for the…
I am comparing three suppliers on documentation rather than on price. I have worked this out and I would like someone to find the error, because I suspect there is…
Details up front: SGN · Qingdao Sigma Chemical. I have used one of these for a while and I am considering switching, which requires a reason. What I care about is…
I would rather spend on verification than on volume. I want the working, not the result — I need to be able to redo it with different numbers. I care about the…
Setup, so nobody has to ask: ERP · ChinaPeptides (QYAOBIO). Both of these get recommended confidently by different people, which suggests neither is obviously right.…
Stated plainly: 5 mg · 3.33 mg/mL. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of magnitude and it seems…
Stated plainly: SSA · Tianjin Finder Chemical. The comparison I want does not seem to exist anywhere in a form I can evaluate. I have read the arguments for each and…
What I have: QYB · an endotoxin test. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
For reference: 4 mg · 2 mg/mL. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ by a factor of ten,…
What I am working with: WWB · a Karl Fischer water content test. I can do the algebra. I am not confident about the conversion factors. If there is a standard way to…
The specifics, since they change the answer: a sterility test · retatrutide. This is a planning question. I know what my options are; I do not know how to weigh them.…
The particulars: liraglutide · 10 mg. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
Stated plainly: MKM · a residual-solvent screen. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ…
Someone told me a 10 mg vial and a carton of four 2.4 mg pens contain "basically the same amount of drug", which is 10 mg against 9.6 mg, so on the face of it that is…
Details up front: an endotoxin test · mazdutide. 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 certificates from two lots and an independent result on one of them. I would like the arithmetic checked rather than the conclusion asserted. I have…