Laboratory calculator
Cartalax Reconstitution Calculator (20 mg vial)
Worked example
Worked example: a 20 mg vial of Cartalax reconstituted with 2 mL of bacteriostatic water has a concentration of 10 mg/mL. A 250 mcg example amount is a 0.025 mL aliquot, which reads 2.5 units on a U-100 syringe, and the vial holds 80 aliquots of that size.
Reconstitution calculator
Sizes in the Pepcore catalogue20 mg
- Concentration
- 10 mg/mL
- Volume to draw
- 0.025 mL
- Units on a U-100 syringe
- 2.5 units
- Draws per vial
- 80
How it works
- Concentration = vial mass / water volume: 20 mg / 2 mL = 10 mg/mL.
- Aliquot volume = target amount / concentration: 0.25 mg / 10 mg/mL = 0.025 mL.
- Units on a U-100 syringe = mL x 100 = 2.5.
- Aliquots per vial = vial mass in mcg / target amount = 20,000 / 250.
Frequently asked questions
What concentration does 2 mL of water give in a 20 mg vial of Cartalax?
Concentration is vial mass divided by water volume: 20 mg / 2 mL = 10 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 Cartalax read on a U-100 syringe?
At 10 mg/mL a 250 mcg example amount is 0.025 mL, which is 2.5 units because 1 unit on a U-100 syringe equals 0.01 mL.
How many aliquots of 250 mcg does a 20 mg Cartalax vial yield?
20 mg is 20,000 mcg, and 20,000 mcg divided by 250 mcg gives 80 aliquots, before allowing for volume lost to priming and syringe dead space.
Available from Pepcore
Supplied as research material for laboratory use only.
- Cartalax Research Material – 20mg 20 mg$54.99On backorder at PepcoreShop at PepcoreCoupon code
LAUNCH20
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