Laboratory calculator
Melanotan II Reconstitution Calculator (10 mg vial)
Worked example
Worked example: a 10 mg vial of Melanotan II reconstituted with 2 mL of bacteriostatic water has a concentration of 5 mg/mL. A 250 mcg example amount is a 0.05 mL aliquot, which reads 5 units on a U-100 syringe, and the vial holds 40 aliquots of that size.
Reconstitution calculator
Sizes in the Pepcore catalogue10 mg
- Concentration
- 5 mg/mL
- Volume to draw
- 0.05 mL
- Units on a U-100 syringe
- 5 units
- Draws per vial
- 40
How it works
- Concentration = vial mass / water volume: 10 mg / 2 mL = 5 mg/mL.
- Aliquot volume = target amount / concentration: 0.25 mg / 5 mg/mL = 0.05 mL.
- Units on a U-100 syringe = mL x 100 = 5.
- Aliquots per vial = vial mass in mcg / target amount = 10,000 / 250.
Frequently asked questions
What concentration does 2 mL of water give in a 10 mg vial of Melanotan II?
Concentration is vial mass divided by water volume: 10 mg / 2 mL = 5 mg/mL. Change the water volume in the calculator to see how the concentration and the syringe reading move together.
What does a 250 mcg example amount of Melanotan II read on a U-100 syringe?
At 5 mg/mL a 250 mcg example amount is 0.05 mL, which is 5 units because 1 unit on a U-100 syringe equals 0.01 mL.
How many aliquots of 250 mcg does a 10 mg Melanotan II vial yield?
10 mg is 10,000 mcg, and 10,000 mcg divided by 250 mcg gives 40 aliquots, before allowing for volume lost to priming and syringe dead space.
Available from Pepcore
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