Guides for the modern researcher.
Plain-language explainers on verification, pricing and handling, the background behind the calculators and comparisons on the rest of this site.
- Verification
- Pricing
- Handling
- Suppliers
- Compliance
- Guides published
- 6
- Topics covered
- 5
- Minutes of reading
- 30
Featured guide
How to Read a Certificate of Analysis (COA)
A COA is a lab’s report on what is actually in a vial. Here is what each section means and what questions to ask before trusting one.
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Every guide.
- Pricing5 min read
Understanding Cost Per Mg (and Why Sticker Price Lies)
Two vials at the same sticker price can cost twice as much per mg once you account for size and multipacks. Here is the math that actually matters.
Read guide - Handling4 min read
Storage Basics: Temperature, Light and Shelf Life
Lyophilized and reconstituted material have very different storage needs. A few general principles explain why suppliers give different guidance for each.
Read guide - Handling5 min read
Reconstitution Basics: Diluent, Concentration and Syringe Math
Reconstitution is arithmetic, not guesswork: how much diluent you add sets the concentration, and the concentration sets what a syringe marking represents.
Read guide - Suppliers6 min read
Choosing a Research Supplier: A Due-Diligence Checklist
Price is one input, not the whole decision. Here is what else is worth checking before you place an order with a new supplier.
Read guide - Compliance4 min read
Research Use Only: What That Label Actually Means
This label shows up on every listing this site tracks. Here is what it signals, and what it does not.
Read guide
Put the theory to work.
Every guide here backs a calculator or comparison on the site. Run the numbers on a real vial next.
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