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Using the Peptide Reconstitution Calculator

A step-by-step guide to using the peptide reconstitution calculator for accurate concentration preparation.

Scientific background / literature overview only. Discussion of published research does not describe the intended use of Novex Peptide products.

Novex Peptide Research Team1 August 2026 5 min read
Using the Peptide Reconstitution Calculator

Introduction

The peptide reconstitution calculator is a laboratory tool designed to help researchers determine the correct volume of solvent needed to achieve a target peptide concentration. This guide explains how to use it effectively.

How the Calculator Works

The calculator uses the basic formula:

**Concentration (mg/mL) = Mass of peptide (mg) ÷ Volume of solvent (mL)**

Given any two of these values, the calculator determines the third.

Using the Calculator

Step 1: Enter Peptide Mass

Enter the mass of the peptide in your vial. This is printed on the product label and the COA (e.g., 5mg, 10mg).

Step 2: Enter Desired Concentration

Enter your target concentration in mg/mL. Common concentrations for laboratory research range from 1 mg/mL to 10 mg/mL, depending on the experimental protocol.

Step 3: Calculate Solvent Volume

The calculator determines the volume of solvent (in mL or units) needed to achieve the target concentration.

Step 4: Reconstitute

Using a calibrated syringe or pipette, add the calculated volume of solvent to the vial following proper reconstitution technique.

Common Concentrations

|---|---|---|

Unit Conversion

Some researchers work with insulin syringes calibrated in units (1 unit = 0.01 mL):

  • 100 units = 1 mL
  • 50 units = 0.5 mL
  • 10 units = 0.1 mL
  • Tips for Accurate Reconstitution

  • Use calibrated pipettes or syringes for precise volume measurement.
  • Account for the dead volume in the vial — a small amount of solution cannot be withdrawn.
  • Verify the peptide mass on the COA, not just the label.
  • Use the correct solvent for your peptide (bacteriostatic water, sterile water, or buffer as appropriate).
  • Research Limitations

    The reconstitution calculator is a laboratory tool for research use only. Novex Peptide does not provide dosing, administration, or injection guidance. All products are for research use only.

    References

    1. 1.Berg JM, Tymoczko JL, Stryer L. Biochemistry. 5th ed. WH Freeman; 2002.
    2. 2.Guide to Peptide Reconstitution. Bachem Technical Notes. 2019.

    Research use only. This article is for educational purposes only and does not constitute advice for any application involving human use. No medical claims are made.

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