Page 5 of 11 · 261 questions tagged cost-analysis.
Conditions: 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 precision as well as…
What I am working with: dulaglutide · 50 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 am working with: 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…
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…
The particulars: 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…
Stated plainly: orforglipron · 15 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…
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…
Details up front: mazdutide · 2.5 mg. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the method is…
Stated plainly: retatrutide · 15 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…
Numbers first: 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…
Concretely: 10 mg · 5 mg/mL. I want the working, not the result — I need to be able to redo it with different numbers. I care about the precision as well as the value…
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…
Stated plainly: ERP · ChinaPeptides (QYAOBIO). Both of these get recommended confidently by different people, which suggests neither is obviously right. My…
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…
For reference: 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 am working with: retatrutide · 50 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: 2 mg · 6.67 mg/mL. 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…
The particulars: 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 · 10 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…
Details up front: 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 lay…
Details up front: a sterility test · retatrutide. 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…
The particulars: liraglutide · 60 mg. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
The particulars: MKM · a residual-solvent screen. I would rather understand the derivation than memorise the outcome. Two people I asked gave two answers that differ…