Laboratory calculator
CJC-1295 with DAC Reconstitution Calculator (5 mg vial)
Worked example
Worked example: a 5 mg vial of CJC-1295 with DAC reconstituted with 2 mL of bacteriostatic water has a concentration of 2.5 mg/mL. A 250 mcg example amount is a 0.1 mL aliquot, which reads 10 units on a U-100 syringe, and the vial holds 20 aliquots of that size.
Reconstitution calculator
Sizes in the Pepcore catalogue5 mg
- Concentration
- 2.5 mg/mL
- Volume to draw
- 0.1 mL
- Units on a U-100 syringe
- 10 units
- Draws per vial
- 20
How it works
- Concentration = vial mass / water volume: 5 mg / 2 mL = 2.5 mg/mL.
- Aliquot volume = target amount / concentration: 0.25 mg / 2.5 mg/mL = 0.1 mL.
- Units on a U-100 syringe = mL x 100 = 10.
- Aliquots per vial = vial mass in mcg / target amount = 5,000 / 250.
Frequently asked questions
How much water does a 5 mg vial of CJC-1295 with DAC need for 2.5 mg/mL?
Concentration is vial mass divided by water volume: 5 mg / 2 mL = 2.5 mg/mL. Change the water volume in the calculator to see how the concentration and the syringe reading move together.
How many units on a U-100 syringe is a 250 mcg example amount of CJC-1295 with DAC?
At 2.5 mg/mL a 250 mcg example amount is 0.1 mL, which is 10 units because 1 unit on a U-100 syringe equals 0.01 mL.
How many 250 mcg aliquots are in a 5 mg vial of CJC-1295 with DAC?
5 mg is 5,000 mcg, and 5,000 mcg divided by 250 mcg gives 20 aliquots, before allowing for volume lost to priming and syringe dead space.
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