Research tools

Reconstitution calculator

Enter the peptide amount on your vial and how much reconstitution fluid you plan to add. The calculator returns the resulting concentration, the volume containing a given mass, and how many such aliquots the vial yields.

Peptide in the vial

The amount stated on the vial or COA.Reconstitution fluid (mL)Volume of Reconstitution Solution added to the vial.Aliquot mass (mcg)Mass of peptide per aliquot you want the volume for.

Concentration

5 mg/mL

5,000 mcg/mL

Volume containing 250 mcg

0.05 mL

Aliquots per vial

Quick reference — common aliquots

Mass	Volume	Aliquots/vial
100 mcg	0.02 mL	100
250 mcg	0.05 mL	40
500 mcg	0.1 mL	20
750 mcg	0.15 mL	13
1,000 mcg	0.2 mL	10
2,000 mcg	0.4 mL	5

Need supplies?Reconstitution fluid is available in the catalog.Browse reconstitution supplies →

This calculator is a laboratory measurement aid for planning reconstitution of research reference materials. It is not medical, dosing, or veterinary guidance, and nothing here should be interpreted as a recommendation to administer any substance. All Peptrix Labs products are sold strictly for laboratory and research use only — not for human or veterinary use. Always verify calculations independently before use in any protocol.