Research Reconstitution Tool
CJC-1295 with DAC Reconstitution Calculator
How much bacteriostatic water to reconstitute CJC-1295 W/DAC (5 mg vial)?
For a 5 mg CJC-1295 W/DAC vial, the volume of bacteriostatic water you add sets the concentration: 1 ml gives 5 mg/ml; 1.5 ml gives 3.33 mg/ml; 2 ml gives 2.5 mg/ml; 2.5 ml gives 2 mg/ml; 3 ml gives 1.67 mg/ml. At the 2 ml reference volume the solution is 2.5 mg/ml (25 mcg per U-100 syringe unit). Research Use Only — these are solution concentrations, not amounts to administer.
| Bacteriostatic water | Concentration | Mass per U-100 unit |
|---|---|---|
| 1 ml | 5 mg/ml | 50 mcg |
| 1.5 ml | 3.33 mg/ml | 33 mcg |
| 2 ml | 2.5 mg/ml | 25 mcg |
| 2.5 ml | 2 mg/ml | 20 mcg |
| 3 ml | 1.67 mg/ml | 17 mcg |
Each “mass per U-100 unit” figure is the amount one unit on a U-100 insulin syringe (1 unit = 0.01 ml) holds at that concentration — a property of the prepared solution, not an amount to administer.
U100 insulin syringe (1 ml). The liquid shade reflects the concentration; each mark is labelled with the mass it holds at that concentration — not an amount to administer.
How to reconstitute CJC-1295 with DAC
CJC-1295 with DAC is a GHRH-analog peptide carrying a Drug Affinity Complex, supplied as a 5 mg lyophilized powder. The DAC is a structural addition to the CJC-1295 chain; for reconstitution it behaves like any 5 mg peptide vial. Add bacteriostatic water down the wall and let it dissolve undisturbed.
At the 5 mg strength: 1 ml gives 5 mg/ml, 2 ml gives 2.5 mg/ml and 3 ml gives about 1.67 mg/ml. Enter the volume and the calculator returns the concentration and the mass at each U-100 syringe mark.
CJC-1295 with DAC reconstitution — frequently asked questions
How much bacteriostatic water to reconstitute 5 mg CJC-1295 with DAC?
1 to 3 ml, your choice; 2 ml is the default and gives 2.5 mg/ml. A lower volume raises the concentration, a higher one lowers it.
What concentration does a 5 mg CJC-1295 with DAC vial reach?
5 divided by the water millilitres: 5 mg/ml at 1 ml, 2.5 mg/ml at 2 ml, 1.67 mg/ml at 3 ml.
Does the DAC change how it is reconstituted versus the without-DAC form?
No. Both the with-DAC and without-DAC forms are 5 mg lyophilized vials reconstituted the same way; the DAC is a structural difference in the molecule, not in the reconstitution volumes or concentrations.
How is reconstituted CJC-1295 with DAC stored?
Refrigerate at 2–8°C, protected from light; store the sealed lyophilized vial at −20°C.
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Research Use Only. This tool calculates the concentration of a reconstituted laboratory solution and the mass each syringe mark holds at that concentration. It does not provide, recommend, or imply any amount to administer. For in-vitro research use only — not for human or veterinary use.
