Tool
Retatrutide reconstitution calculator
Retatrutide ships as 5 mg, 10 mg, 20 mg, 30 mg, 40 mg, 50 mg vials of lyophilized powder. Pick the size, type the water volume, read the concentration. The molecular weight is already filled in, so the molar result is there too.
- Concentration
- 2.5 mg/mL
- 2.5 µg/µL · 2500 µg/mL
- Molar
- 0.528 mM
- 528.4 µM
Concentration = peptide mass ÷ diluent volume. Molarity = (mg/mL ÷ g/mol) × 1000. Research use only.
Retatrutide at common volumes
| Vial | 1 mL | 2 mL | 3 mL | 5 mL |
|---|---|---|---|---|
| 5 mg | 5 mg/mL1.06 mM | 2.5 mg/mL0.528 mM | 1.67 mg/mL0.352 mM | 1 mg/mL0.211 mM |
| 10 mg | 10 mg/mL2.11 mM | 5 mg/mL1.06 mM | 3.33 mg/mL0.705 mM | 2 mg/mL0.423 mM |
| 20 mg | 20 mg/mL4.23 mM | 10 mg/mL2.11 mM | 6.67 mg/mL1.41 mM | 4 mg/mL0.845 mM |
| 30 mg | 30 mg/mL6.34 mM | 15 mg/mL3.17 mM | 10 mg/mL2.11 mM | 6 mg/mL1.27 mM |
| 40 mg | 40 mg/mL8.45 mM | 20 mg/mL4.23 mM | 13.3 mg/mL2.82 mM | 8 mg/mL1.69 mM |
| 50 mg | 50 mg/mL10.6 mM | 25 mg/mL5.28 mM | 16.7 mg/mL3.52 mM | 10 mg/mL2.11 mM |
Retatrutide vial sizes we sell, at four diluent volumes. Molarity uses 4731.32 g/mol. Other volumes
What the numbers mean for Retatrutide
Retatrutide has a molecular weight of 4731.32 g/mol (C221H342N46O68). So 5 mg is about 1.06 micromoles, whatever volume you dissolve it in. At 2.5 mg/mL that is 0.528 mM.
Each vial holds only powder, from 5 mg up to 50 mg, and no diluent. Add bacteriostatic water down the inside of the glass, swirl, and do not shake. The reconstitution guide covers the handling; this page covers the arithmetic.
Common questions
How much water do I add to a 5 mg vial of Retatrutide?+
Any volume that gives a concentration you can measure easily. 1 mL gives 5 mg/mL, 2 mL gives 2.5 mg/mL, 5 mL gives 1 mg/mL. The peptide amount stays 5 mg whatever you add.
What is the concentration of Retatrutide 5 mg in 2 mL?+
2.5 mg/mL, which is the same as 2.5 µg/µL. With a molecular weight of 4731.32 g/mol that is 0.528 mM.
Which Retatrutide vial sizes does the calculator cover?+
The ones we sell: 5 mg, 10 mg, 20 mg, 30 mg, 40 mg, 50 mg. Pick a chip or type any other mass.
Where does the Retatrutide molecular weight come from?+
The reference value on the product's Specifications tab, 4731.32 g/mol. The observed mass for the vial you receive is on its own lab report, which the QR code on the vial opens.
Related pages
- Buy Retatrutide5 mg, 10 mg, 20 mg, 30 mg, 40 mg, 50 mg. Free shipping, same-day dispatch, report on the vial.
- Retatrutide reconstitution and storageRetatrutide's numbers in one place: mass, the three receptors it targets, six vial sizes, concentration table and what its report should show.
- Semaglutide vs Retatrutide: one receptor or threeSemaglutide is a 31-residue GLP-1 analog. Retatrutide is a 39-residue triple agonist. 618 daltons and two receptors separate them.
- Semaglutide vs tirzepatide vs retatrutideThree incretin peptides, one, two and three receptors. How they differ by sequence, size and receptor target, and what tells them apart on a lab report.
- Tirzepatide vs Retatrutide: dual agonist or triple?Both are 39 residues with a C20 fatty chain. Retatrutide adds the glucagon receptor and drops 82 daltons. What separates them on paper and on a lab report.
- Calculator for any peptideType your own mass and molecular weight.
- Reconstitution and storage guidesThe handling around the numbers.
Research use only. Not for human or animal consumption.