Page 4 of 11 · 261 questions tagged cost-analysis.
I am comparing three suppliers on documentation rather than on price. I want the working, not the result — I need to be able to redo it with different numbers. I care…
Setup, so nobody has to ask: QSC · ChinaPeptides (QYAOBIO). Both of these get recommended confidently by different people, which suggests neither is obviously right.…
What I have: JEEP · a quantified content assay. This should be a straightforward calculation and I keep getting two different answers. The numbers are arbitrary; the…
For reference: QYB · Hunan Aslsen Technology. I am trying to choose between two options that are usually discussed as though only one exists. I am not optimising for…
Setup, so nobody has to ask: 60 mg · 5 mg/mL. I have worked this out and I would like someone to find the error, because I suspect there is one. My working so far,…
Setup, so nobody has to ask: QSC · Nantong Guangyuan Chemical. I suspect the honest answer is that it depends, in which case I would like to know on what. Assume I…
Numbers first: a sterility test · orforglipron. 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 lot number on the vial matches the certificate, which at least rules out the easy problem. I would like to set this up properly once, rather than adjust it…
I switched to fixed-needle U-100 insulin syringes after reading that dead space costs a fortune with luer fittings, and my yield improved a lot. But I still cannot…
What I have: SGN · WuXi TIDES. I want to know what the trade-off actually is rather than which option is fashionable. I would rather have a defensible reason than a…
I have certificates from two lots and an independent result on one of them. I can predict the outcome but I cannot explain it, which means I will get the next case…
Conditions: 2.5 mg · 20 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…
I have certificates from two lots and an independent result on one of them. I can do the algebra. I am not confident about the conversion factors. If there is a…
The material is still sealed, so I have not committed to anything yet. This is a planning question. I know what my options are; I do not know how to weigh them. What…
The particulars: GGPeps · Hunan Aslsen Technology. I am trying to choose between two options that are usually discussed as though only one exists. I am not optimising…
The case in front of me: CPC · a sterility test. Please show the division. I want to check my own against yours. I would like the general form as well as the specific…
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…
The particulars: 50 mg · 6.67 mg/mL. I would like the arithmetic checked rather than the conclusion asserted. I have deliberately not used an online calculator…
Conditions: survodutide · 30 mg. 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…
I have continuous temperature data for the period in question, which is unusual and I would like to use it. I would rather over-plan the first cycle and simplify…
What I am working with: FGP · GL Biochem (Shanghai). Both of these get recommended confidently by different people, which suggests neither is obviously right. My…
I have three numbers on my report that all claim to measure roughly the same risk and they do not agree about how I am doing. LDL-C 2.6 mmol/L, which is described in…
The particulars: peptide mapping · survodutide. I would like to define my thresholds before I have a result, for obvious reasons. I want a plan with explicit stopping…
Setup, so nobody has to ask: orforglipron · 50 mg. The units are where I keep going wrong, so please be explicit about them. I have sanity-checked the order of…