Before calculating
Confirm compound identity, actual mass, the final solution volume and your validated laboratory protocol. Liquid volume and biological activity units cannot be substituted for milligrams.
Protocol, not a universal recipe
The solvent, pH, mixing method, temperature and stability window are compound-specific. This guide does not supply a preparation protocol or administration instructions.
The concentration math
Concentration = compound mass ÷ final solution volume. For an arithmetic example, 10 mg in a final volume of 2 mL is 5 mg/mL. This example is not a suggested preparation volume. Milligram-strength product pages include a concentration calculator.
Why bacteriostatic water instead of sterile water?
Bacteriostatic water includes a preservative; its exact composition and use depend on the supplied label. It does not sterilize a research compound or demonstrate that a prepared solution remains stable.
Frequently asked questions
- How much BAC water do I add to a 5mg peptide vial?
- There's no single correct volume — it depends on the concentration your protocol needs. Divide 5 mg by your target mg/mL to get the mL of water.
- Can you shake a reconstituted peptide?
- Use the mixing method established by a validated compound-specific protocol rather than a universal instruction.
- How long does reconstituted peptide last?
- No universal period applies. Stability requires evidence for the compound, solvent, formulation and storage conditions.