Laboratory tools
Reconstitution calculator
Enter three numbers to get the concentration of a reconstituted vial, the volume that holds a given amount and how many aliquots the vial provides. For laboratory research only.
Result
5 mg/mL
5 mcg per µL across 2,000 µL of solution
Volume per aliquot
—
Concentration
5,000 mcg/mL
Aliquots per vial
—
Reference
Concentration by vial and volume
Our vial sizes, with the resulting concentration for common solvent volumes.
| Product | Vial | + 1 mL | + 2 mL | + 3 mL |
|---|---|---|---|---|
| Retatrutide | 10 mg | 10 mg/mL | 5 mg/mL | 3.33 mg/mL |
| Retatrutide | 30 mg | 30 mg/mL | 15 mg/mL | 10 mg/mL |
| Tirzepatide | 10 mg | 10 mg/mL | 5 mg/mL | 3.33 mg/mL |
| Tirzepatide | 20 mg | 20 mg/mL | 10 mg/mL | 6.67 mg/mL |
| Wolverine Blend | 20 mg | 20 mg/mL | 10 mg/mL | 6.67 mg/mL |
| Glow Blend | 70 mg | 70 mg/mL | 35 mg/mL | 23.33 mg/mL |
| Semax | 10 mg | 10 mg/mL | 5 mg/mL | 3.33 mg/mL |
| Selank | 10 mg | 10 mg/mL | 5 mg/mL | 3.33 mg/mL |
How the math works
Three formulas
A lyophilized peptide dissolves evenly in the solvent added, so the concentration is the mass in the vial divided by the volume.
- Concentration (mg/mL) = vial mg ÷ solvent mL
- Volume per aliquot (µL) = target mcg ÷ (concentration mg/mL)
- Aliquots per vial = (vial mg × 1000) ÷ target mcg, rounded down
Example: a 10 mg vial with 2 mL of solvent is 5 mg/mL, or 5 mcg per µL. An aliquot of 250 mcg is 50 µL, and the vial holds 40 of them.
Handling
Reconstituting in the lab
- Work clean. Use sterile technique and a sterile solvent such as our Reconstitution Solution.
- Add solvent slowly down the inside wall of the vial rather than onto the powder.
- Swirl gently until fully dissolved. Do not shake, which can damage the peptide.
- Label the vial with the concentration, the date and the lot number from its certificate.
- Store cold. Keep reconstituted solutions at 2–8 °C, protected from light.
This calculator handles arithmetic for laboratory work. It is not dosing guidance. Lustre Forma products are for research use only and are not for human or veterinary use. Solo para uso en investigación.