Reconstitution calculator · CJC-1295 (No DAC)
CJC-1295 (No DAC) reconstitution calculator.
Work out the concentration of a reconstituted CJC-1295 (No DAC) vial. Presets match the 10 mg format we stock, and the reference table below is calculated for those exact vials. Research use only.
This tool reports concentration only. It is not dosing guidance, and nothing here is for human use.
CJC-1295 (No DAC) concentration reference table
Every combination of the CJC-1295 (No DAC) vial sizes we stock and the bacteriostatic water volumes people most often add.
| Vial | BAC water | Concentration | Per 100 µL aliquot |
|---|---|---|---|
| 10 mg | 1 ml | 10 mg/ml | 1 mg (1,000 mcg) |
| 10 mg | 2 ml | 5 mg/ml | 0.5 mg (500 mcg) |
| 10 mg | 3 ml | 3.333 mg/ml | 0.333 mg (333 mcg) |
| 10 mg | 5 ml | 2 mg/ml | 0.2 mg (200 mcg) |
How the calculation works
Concentration is the mass of peptide divided by the volume of solvent. A vial holding 5 mg reconstituted with 2 ml of bacteriostatic water gives 2.5 mg/ml, so a 100 µL aliquot contains 0.25 mg. The powder itself adds no meaningful volume at these masses, which is why the water volume alone sets the concentration.
Handling in the Vietnamese climate
Sealed lyophilized vials are stable at room temperature in transit, which is why the material ships dry rather than cold. Once reconstituted, the solution is kept refrigerated and shielded from light. Bacteriostatic water is the usual solvent because the benzyl alcohol in it lets a vial be entered more than once.
What is CJC-1295 (No DAC)?
A short-acting GHRH analog. The “No DAC” part is the whole point.
The name causes constant confusion, so it is worth untangling. DAC stands for Drug Affinity Complex. A chemical add-on that latches the peptide onto blood albumin so it circulates for days. This is the version without it.
What remains is a modified fragment of GHRH, the hormone that signals the pituitary to release growth hormone, shortened to its first 29 amino acids with four substitutions that resist enzyme breakdown. Without DAC it clears in minutes rather than days, which is exactly why researchers choose it: it produces a short pulse instead of a sustained elevation. It is also sold as Mod GRF 1-29.
Research context
- GHRH receptor signalling
- Pulsatile versus sustained release patterns
- Comparative research against DAC-modified versions
- Type
- Modified GHRH fragment, 29 amino acids with four substitutions
- Also known as
- Mod GRF 1-29
- Key distinction
- No DAC. Clears in minutes rather than days
- Format
- Lyophilized powder in a sealed vial
- Handling
- Sealed vials are kept cold and out of direct light. Relevant in the Vietnamese climate
Common questions
What does “No DAC” mean in CJC-1295?
DAC is a Drug Affinity Complex. A chemical add-on that binds the peptide to blood albumin so it circulates for days. The No DAC version omits it, so the peptide clears in minutes instead. That short pulse is the reason researchers pick this version.
Is CJC-1295 No DAC the same as Mod GRF 1-29?
Yes. They are two names for the same molecule: a 29-amino-acid GHRH fragment with four substitutions that resist enzyme breakdown, and no DAC attached.
How much bacteriostatic water do I add to a CJC-1295 (No DAC) vial?
There is no single correct volume. The water volume sets the concentration: more water gives a weaker solution and a larger aliquot for the same mass. Common choices are 1 to 5 ml. Enter your vial size above to see what each volume produces for 10 mg.
What concentration does a CJC-1295 (No DAC) vial give?
It depends entirely on the solvent volume. The reference table above lists every combination of the 10 mg vial format and 1, 2, 3 and 5 ml of bacteriostatic water.
Does the powder change the final volume?
Not measurably at these masses. A few milligrams of lyophilized peptide occupies a negligible volume, so the bacteriostatic water you add is effectively the final volume.
Can I use normal water or saline instead?
Bacteriostatic water is the standard solvent for multi-entry vials because it contains a preservative. Sterile water and saline have no preservative, so they are single-entry solvents.
Check CJC-1295 (No DAC) availability
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